You are solely responsible for any activities or actions taken under Your Account, including purchases, regardless of whether You authorized such activities or actions. You agree to notify Us immediately of any unauthorized use of Your Account. We are not liable for any loss or damage from Your failure to comply with this section.

DISPUTE RESOLUTION. PLEASE READ THIS SECTION CAREFULLY. AS SET FORTH BELOW, YOU AGREE TO WAIVE YOUR RIGHTS TO TRY ANY CLAIM YOU MAY ASSERT BEFORE A JUDGE OR JURY AND TO PARTICIPATE IN ANY CLASS, COLLECTIVE OR OTHER REPRESENTATIVE ACTION.

Being familiar with the components and working principles of pressure relief valves is crucial for ensuring their functionality and effectiveness in protecting systems from overpressure.

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d) Purchase Limits. Ferguson may, in its sole discretion, establish a spending limit for Your account. Your payment card issuer may also establish spending limits that affect Your right to place orders through the Website. You should consult the cardholder agreement between You and Your payment card issuer to determine what limits, if any, exist.

Pressure relief valves are essential safety devices designed to protect systems, equipment, people, and the environment from overpressure conditions. By automatically releasing pressure when it exceeds a pre-set limit, PRVs prevent potential damage, explosions, and safety hazards.

Flow dynamics play a critical role in the performance of pressure relief valves. Fluid velocity, density, and viscosity all affect how the valve operates:

xi.You will not use the Website, its content, or its information for any criminal or unlawful purpose or encourage anyone else to do so.

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g) Reservation of Rights. When You place an order through the Website, it will be subject to Ferguson’s acceptance. Ferguson may require verification of information before accepting or fulfilling any order. An order number or order confirmation does not indicate that Ferguson has accepted Your order. At any time after receiving Your order, Ferguson may accept or decline it for any or no reason and without liability to You or anyone else. If Ferguson cancels an order for which Your method of payment has already been charged, Ferguson will issue a refund to You. All returns and refunds for orders placed on the Website are subject to Ferguson’s Returns and Cancellation Policy.

Regularly reviewing updates from organisations like ASME, API, ISO, and Australian Standards bodies can help you stay ahead of the curve. In some cases, amendments to standards may require modifications to existing PRV installations or the adoption of new maintenance practices.

Regulatory bodies such as Safe Work Australia and state-based safety regulators enforce these standards to protect workers and the public from the dangers associated with overpressure. Non-compliance can also lead to operational downtime, increased insurance premiums, and damage to a company’s reputation. Therefore, it is essential for businesses to regularly audit their compliance with relevant PRV standards and regulations.

x.You will not use or attempt to use any engine, software, tool, agent or other device or mechanism (including without limitation any type of spider, web crawler or robot) to navigate, search, and/or extract information from the Website other than the search tools available on the Website and other generally available third-party web browsers (e.g., Netscape Navigator, Microsoft Explorer); and

ASSIGNMENT. You may not assign these Terms, or any of Your rights or obligations hereunder, without the prior written consent of Ferguson. Ferguson may assign all or any part of its rights and obligations under these Terms, and any assignment will inure to the benefit of Our successors, assigns, and licensees.

Pressure relief valves are used across a wide range of industries, with their application being particularly critical in sectors where pressure control is a key aspect of daily operations.

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Engineers must carefully consider these factors when selecting and setting up PRVs to ensure they function correctly in the intended application.

PRIVACY. a) Privacy Policy. Your privacy is important to Us. By using the Website, You agree to these Terms as well as to the collection transfer, processing, usage, sharing, and storage of Your personal and non-personal information consistent with the terms of Our Privacy Policy. Please review Our Privacy Policy regularly for more information.

e) Text Communications. To receive SMS, MMS, or text messages (“Text Communications”) from Ferguson, including messages relating to the delivery of orders You place on the Website, You must provide a mobile phone number and agree to these terms and conditions. We will send You a text message requesting that You affirm Your choice to receive Text Communications, and You must respond to that message to verify Your mobile phone number before You can begin receiving Text Communications. By affirming Your choice to receive Text Communications, You acknowledge and agree that (i) We will send Text Communications to the number You provide and anyone with access to that mobile phone or carrier account will be able to see any such Text Communications; and (ii) You are the subscriber for the number You provide and will inform Us if You are no longer the subscriber. After You opt in to receiving Text Communications, message frequency will vary. Message and data rates apply. You can opt out of receiving Text Communications at any time by texting “STOP” to the number You receive in Text Communications. You will receive one final message confirming You are unsubscribed. If You wish to join again, You can opt in on the Website at any time.

As multiple industries use PRVs, there is more than one type of pressure relief valve. Different types of pressure relief valves exist because each one is designed to handle specific conditions and requirements depending on the industry and operating conditions.

Pilot-operated relief valves are sophisticated devices that use an auxiliary pressure pilot to control the opening and closing of the main valve. This design allows for precise control over the pressure relief process, so these valves are ideal for high-pressure applications where accuracy and reliability are paramount.

Regulations are critical to maintaining compliance, particularly in industries like oil and gas, mining or chemical processing.

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This mechanism allows PRVs to respond quickly and accurately to changes in system pressure, ensuring that overpressure conditions are safely managed.

SEVERABILITY. If any provision of these Terms, including Our Privacy Policy, is found invalid, illegal, or unenforceable by any court of competent jurisdiction, the invalidity of such provision(s) shall not affect the validity of the remaining provisions of these Terms, which shall remain in full force and effect, as shall this agreement, as if such invalid, illegal, or unenforceable provision(s) had never been a part of these Terms. No waiver of any provision of these Terms shall be deemed a further or continuing waiver of such provision or any other provision.

THE COMPANY IS NOT RESPONSIBLE FOR THIRD-PARTY SITES OR THEIR CONTENT. THE THIRD-PARTY SITES ARE NOT CONTROLLED BY US AND NEITHER THESE TERMS OF USE NOR OUR PRIVACY POLICY APPLY TO SUCH THIRD-PARTY SITES. ACCORDINGLY, THE COMPANY MAKES NO WARRANTIES OR REPRESENTATIONS REGARDING SUCH THIRD-PARTY SITES, HAS NO RESPONSIBILITY FOR THE OPERATION OR CONTENT OF SUCH THIRD-PARTY SITES, AND WILL NOT BE LIABLE FOR ANY LOSS OR DAMAGE CAUSED BY YOUR USE OF OR RELIANCE ON SUCH THIRD-PARTY SITES. YOUR USE OF THIRD-PARTY SITES IS AT YOUR OWN RISK. THE INCLUSION ON THE WEBSITE OF A LINK TO A THIRD-PARTY WEBSITE DOES NOT IMPLY AN ENDORSEMENT BY FERGUSON. WHEN YOU ACCESS ANY OF THESE THIRD-PARTY SITES, PLEASE UNDERSTAND THAT YOUR RIGHTS AND OBLIGATIONS WHILE ACCESSING AND USING THOSE SITES WILL BE GOVERNED BY THE AGREEMENTS AND POLICIES RELATING TO THE USE OF THOSE THIRD-PARTY SITES. YOU ARE ENCOURAGED TO REVIEW THE AGREEMENTS AND POLICIES FOR ANY WEBSITE YOU CHOOSE TO ACCESS AND CONFIRM THAT THE TERMS ARE ACCEPTABLE TO YOU PRIOR TO YOUR USE.

In the mining sector, for example, PRVs are employed in a range of systems, such as slurry pumps, crushing systems, ventilation systems, and hydraulic circuits to prevent overpressure situations that could lead to costly downtime or hazardous conditions. In addition to mining, PRVs are also commonly found in chemical processing plants, oil and gas pipelines, power generation facilities, and even domestic heating systems. Their versatility and reliability make them a fundamental component in any environment where pressure management is required.

Proper installation and maintenance are critical to the performance and longevity of pressure relief valves. Incorrect installation can lead to operational issues, while inadequate maintenance can result in valve failure, potentially leading to dangerous overpressure conditions.

e) Updating or Cancelling an Order. Please note that there may be certain orders that we are unable to accept and must cancel. We reserve the right, at Our sole discretion, to refuse or cancel any order for any reason. Some situations that may result in Your order being canceled include limitations on quantities available for purchase, inaccuracies or errors in product or pricing information, or problems identified by Our credit and fraud avoidance department. We may also require additional verifications or information before accepting any order. We will contact You if all or any portion of Your order is canceled or if additional information is required to accept Your order. If Your order is canceled after payment has been received, we will issue a credit by the charged payment method for the amount of the charge, or by an alternate method in Our sole discretion.

Balanced bellows relief valves are designed to mitigate the effects of backpressure that can influence the operation of conventional relief valves. They incorporate a bellows mechanism that isolates the valve spring from backpressure, maintaining consistent performance regardless of variations in outlet pressure.

d) Electronic Communications. When You contact Us through the Website, create a user account, or provide Your e-mail address to Us for any reason, You are consenting to receive communications from Us electronically. We will communicate and transact with You by e-mail or by posting notices on the Website. You agree that all agreements, notices, disclosures, and other communications that We provide to You electronically satisfy any legal requirement that such communications be in writing. If You wish, at any time, to opt out of receiving electronic communications from Us, You can do so by logging into Your account and changing Your profile settings and preferences or by clicking the “Unsubscribe” link included with such electronic communications.

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This makes them ideal for applications where fluctuating or high backpressure is expected, such as in high-pressure steam systems, chemical processing plants, and oil refineries. Additionally, the bellows provide protection against corrosive gases or fluids, enhancing valve longevity in harsh environments.

AME’s PRV inspection services are designed to ensure that your pressure relief valves operate safely and efficiently in compliance with Australian Standards and WHS regulations

Temperature and pressure safety relief valves (TPRVs) are specialised valves that offer dual protection by responding to both pressure and temperature conditions. These valves are commonly used in systems where both pressure and temperature must be closely monitored, such as in water heaters, steam boilers, and solar heating systems.

Industry standards and regulations are not static; they are regularly updated to reflect new technologies, materials, and safety insights. Staying informed about these changes is critical to ensure your company remains compliant and continues to operate safe pressurised systems.

c) Amendment. We may amend these Terms from time to time in Our sole discretion. All amendments to these Terms will be effective immediately upon posting, and will include the date the Terms were last updated. Your continued access to the Website constitutes an agreement to be bound to the Terms then effective and as amended. You also agree to accept notice of posting of any amendments or new terms through Us posting such amendments or new terms on the Website. Please review the Terms periodically so You are aware of any amendments.

The diversity in PRV types allows for tailored solutions that ensure optimal safety, performance, and regulatory compliance in a wide range of scenarios.

INDEMNIFICATION; HOLD HARMLESS. You agree to indemnify and hold Ferguson, its employees, officers, directors, investors, agents, assignees, affiliates, partners, subsidiaries, contractors, attorneys, accountants, advertisers, and any and all other individuals and organizations providing services on behalf of Ferguson harmless from all claims, liabilities, losses, damages, costs and expenses (including without limitation, attorneys’ fees and expenses, and direct, incidental, consequential, exemplary and indirect damages) arising out of, resulting from or relating to Your use of the Website, Your breach or alleged breach of these Terms, or Your violation of any rights of another user. Ferguson reserves the right to assume or participate, at Your expense, in the investigation, settlement and defense of any such action or claim.

b) Product Availability. The availability, product packaging, quality, quantity, price, discounts, charges, and fees for any product, service, or program found on the Website are subject to change at any time without notice. Ferguson may take any or all of the following actions at any time, with or without notice: (1) limiting the availability of any product, service, or program; (2) discontinuing any product, service, or program; (3) restricting any purchase; (4) cancelling any purchase; or (5) refusing any order. Products may not be available on Ferguson.com at all times. Some products may be subject to additional terms, conditions, policies, and disclosures. If You order a product that is out of stock, We will contact You to advise of the estimated shipping date for back-order items, and to determine if any modification to Your order is necessary. Ferguson may, in its sole discretion and with or without notice, limit Your order or the quantity of a particular product that You may order.

Each of these components is carefully designed and tested to ensure that the PRV operates reliably under the specific conditions for which it is intended.

Ferguson’s trademarks and trade dress may not be used in connection with any product or service that is not owned or distributed by Ferguson in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Ferguson. All other trademarks not owned by Ferguson that appear within the Website are the property of their respective owners, who may or may not be affiliated with Ferguson.

Power actuated pressure relief valves are a more advanced type of PRV, controlled by external power sources such as electric, pneumatic, or hydraulic actuators. These valves are typically used in systems where precise control over the relief operation is required. The actuator can adjust the valve opening in response to system conditions, providing more flexibility than conventional or balanced valves.

ix.You will not impersonate, falsely state, or otherwise misrepresent Your identity in any way while using the Website (including through Our contact forms); and

With nearly two decades of experience, AME is your trusted PRV supplier, delivering premium pressure relief valves from the industry’s best. Our team of qualified professionals provides comprehensive PRV inspections tailored to the mining, oil and gas, mineral processing, manufacturing, industrial, construction, rail transport, and government infrastructure sectors. We ensure that certified replacements meet the strictest safety and performance standards, so your pressure relief valves operate safely and efficiently.

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f) Method of Payment; Billing and Payments. You must make appropriate arrangements to provide a valid method of payment, including without limitation a valid credit or debit card, to order products through the Website. You authorize Ferguson to charge Your chosen method of payment for all purchases made through Your account on the Website, plus applicable taxes, fees and other charges (including sales tax, service fee, and delivery charge). You represent that You have the legal right to use any method of payment You provide, and You agree to pay for any order through the Website placed by You or anyone using Your account regardless of whether You authorized that person’s activities or actions.

Compliance with industry regulations is not optional—it is a legal obligation for businesses operating pressurised systems. Failure to adhere to these regulations can lead to severe repercussions, including fines, legal action, and more importantly, safety risks.

Violations of the Terms, including without limitation provisions (i-xi) above, will be determined by the Company in its sole discretion and may result in, among other things, termination of Your access to the Website.

As a trusted PRV supplier, AME delivers top-tier pressure relief valves from leading manufacturers, guaranteeing certified replacements that uphold the highest safety and performance standards.

b) Eligibility. THE WEBSITE IS INTENDED FOR USE ONLY BY INDIVIDUALS AGE 18 OR OVER LOCATED IN THE UNITED STATES. IF YOU ARE A PERSON OUTSIDE THE UNITED STATES, BY ACCESSING AND USING THE WEBSITE, YOU AGREE AND CONSENT TO BE BOUND BY THESE TERMS. THE WEBSITE IS NOT AVAILABLE TO ANY PERSONS SUSPENDED OR REMOVED FROM THE WEBSITE BY THE COMPANY. IN USING THE WEBSITE, YOU REPRESENT THAT YOU ARE A PERSON WHO HAS NOT BEEN SUSPENDED OR REMOVED FROM THE WEBSITE. PERSONS CHOOSING TO ACCESS THE WEBSITE DO SO AT THEIR OWN DISCRETION AND INITIATIVE, AND ARE RESPONSIBLE FOR COMPLIANCE WITH THESE TERMS, AND ALL LOCAL LAWS AND RULES, INCLUDING WITHOUT LIMITATION, SUCH LAWS AND RULES REGARDING THE INTERNET, EMAIL, ELECTRONIC MESSAGES, PRIVACY, AND SECURITY.

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d) ALSO SUBJECT TO PARAGRAPH e) OF THIS SECTION AND TO THE EXTENT ALLOWABLE BY LAW, IN NO EVENT SHALL THE COMPANY AND/OR ITS RESPECTIVE LICENSORS, AFFILIATES, AND SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER. IF THIS LIMITATION OF LIABILITY OR THE EXCLUSION OF WARRANTY SET FORTH ABOVE IS HELD INAPPLICABLE OR UNFORCEABLE FOR ANY REASON, THEN THE COMPANY’S MAXIMUM LIABILITY FOR ANY TYPE OF DAMAGES SHALL BE LIMITED TO THE LESSER OF $100 OR THE PURCHASE PRICE. IF YOU ARE DISSATISFIED WITH ANY PORTION OF THE WEBSITE, OR WITH ANY OF THESE TERMS, YOUR SOLE AND EXCLUSIVE REMEDY IS TO DISCONTINUE USING THE WEBSITE.

Ferguson reserves the right to limit the quantity of items purchased per person, per household or per order. These restrictions may be applicable to orders placed by the same payment account and also to orders that use the same billing and/or shipping address, or same email address. We will contact You should such limits be applied. Ferguson also reserves the right to prohibit sales to dealers.

e) A statement that the complaining party has a good faith belief that use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law; and

These valves are typically used in applications where backpressure is either minimal or consistent and can be accounted for in the system design, such as in pressure vessels, pipelines, and general process systems.

Welcome to the ferguson.com website. These Terms are a contract between You and Ferguson Enterprises, LLC ("Ferguson," “Company,” “We,” “Us,” or “Our”) with regard to the access and use of Our website - www.ferguson.com - and its component pages, the Ferguson Mobile App, and any other website, application, product or service made available by Ferguson (collectively, “Website”). The Website is made available to You pursuant to these Terms. Please read these Terms fully and carefully before accessing and using the Website.

If You do not agree with the Terms set forth below and Our Privacy Policy (including any modifications thereto), You should exit the Website. However, these Terms and Our Privacy Policy will apply to all of Your information and actions prior to exiting the Website.

b) HIPAA. Ferguson does not request, collect, or use customers’ protected health information. You must exercise caution when sharing information with Ferguson to avoid inadvertently disclosing Your health information.

DIGITAL MILLENNIUM COPYRIGHT ACT. Pursuant to Title II of the Digital Millennium Copyright Act, all claims of copyright infringement for material that is believed to be residing on the Website should be promptly sent in the form of written communication to Ferguson by email to customer.support@ferguson.com. All claims must include the following information:

These PRVs are often found in high-stakes industrial settings like nuclear power plants, aerospace applications, and large-scale chemical processing, where safety and precision are paramount.

Proper inspection and maintenance of pressure relief valves are critical to the safety and reliability of pressurised systems. AME provides specialised PRV inspection services that ensure compliance with industry standards and mitigate the risks of valve failure.

b) Identification of the copyrighted work claimed to have been infringed, or if multiple copyrighted works at the Website are covered by a single notification, a representative list of such works at the Website;

You represent and warrant that any information You provide to Us is accurate, current, and complete and that You will maintain and promptly update Your information to keep it accurate, current, and complete. If any information You provide to Us is untrue, inaccurate, not current, or incomplete, We reserve the right to terminate Your use of the Website.

e) IT IS POSSIBLE THAT APPLICABLE LAW MAY NOT ALLOW FOR LIMITATIONS ON CERTAIN IMPLIED WARRANTIES OR EXCLUSIONS OR LIMITATIONS OF CERTAIN DAMAGES. SOLELY TO THE EXTENT THAT SUCH LAW APPLIES TO YOU, SOME OR ALL OF THE ABOVE DISCLAIMERS, EXCLUSIONS OR LIMITATIONS MAY NOT APPLY TO YOU, AND YOU MAY HAVE ADDITIONAL RIGHTS. IF APPLICABLE LAW PROHIBITS THE LIMITATION OR EXCLUSION OF A PARTY’S LIABILITY WITH RESPECT TO DEATH OR PERSONAL INJURY CAUSED BY SUCH PARTY’S NEGLIGENCE, FRAUD OR ANY OTHER MATTER, THEN SUCH PARTY’S LIABILITY WILL NOT BE LIMITED OR EXCLUDED TO THE EXTENT OF SUCH PROHIBITION UNDER SUCH APPLICABLE LAW.

CHILDREN’S ONLINE PRIVACY PROTECTION ACT (“COPPA”) NOTIFICATION. Our Website is not designed or intended for use by persons under the age of 18. Pursuant to 47 U.S.C. Section 230(d) as amended, We hereby notify You that parental control protections (such as computer hardware, software, or filtering services) are commercially available that may assist You in limiting access to material that may be harmful to minors. Information identifying current providers of such protections is available at the Electronic Frontier Foundation website, http://www.eff.org.

This automatic pressure regulation prevents the system from exceeding safe operating limits, thereby protecting critical components from stress and potential failure. The precise design and calibration of PRVs ensure that they respond quickly and reliably to provide pressure relief, making them vital for the safe operation of pressurised systems.

d) Contact information for the complaining party, including full name, postal address, telephone number, and if available, an email address at which the complaining party may be contacted;

c) Identification of the material that is claimed to be infringing or to be the subject of infringing activity, and that is to be removed or to have access disabled, and information reasonably sufficient to permit the material to be located on the Website;

MONITORING. Ferguson may, but has no obligation to, monitor the use by You and other users of the Website. During monitoring, any information relating to any user or their respective activities on the Website may be examined, recorded, copied, and used in accordance with these Terms and Our Privacy Policy. Furthermore, Ferguson reserves the right at all times (i) to disclose any information provided at any portion of the Website as set forth in Our Privacy Policy, including without limitation to satisfy any law, regulation, or governmental request, and (ii) to refuse to transmit, or to remove, any information or materials, in whole or in part, that Ferguson in its sole discretion, finds objectionable or in violation of these Terms or Our Privacy Policy.

TERMINATION; MODIFICATION. Without any further notice and at any time, You understand and agree that Ferguson may terminate, cancel, deactivate, and/or suspend Your access to the Website. By terminating Your access or use, Ferguson does not waive or alter any other right or relief to which it may be entitled at law or in equity. If Ferguson terminates or suspends Your access to the Website, Your right to use the Website will immediately cease and You must discontinue use of the Website by all means and methods. Ferguson reserves the right to immediately and permanently deactivate Your Account and delete any information or content stored through Your Account. Ferguson reserves the right to discontinue, modify, alter, or change any policy, feature, product, or service of the Website. You understand, acknowledge, and agree that Your sole and exclusive right and remedy regarding the termination or modification of Your access to and use of the Website, is to stop using the Website.

Vacuum relief valves serve a different purpose than traditional pressure relief valves. Instead of preventing overpressure, these valves protect equipment from vacuum or negative pressure conditions that could cause implosion or structural damage. They open to allow air or fluid into the system when the internal pressure drops below the set point. Vacuum relief valves are commonly used in storage tanks, pipelines, and systems that handle volatile liquids, where negative pressure could lead to equipment failure or product contamination.

We have also made every effort to display as accurately as possible the colors and finishes of the products that appear on the Website. However, as the actual colors You see will depend on Your monitor, we cannot guarantee that Your monitor's display of any color or finish will be accurate.

The compilation (meaning the collection, arrangement, and assembly) of all content on the Website is the exclusive property of Ferguson and protected by United States and international copyright laws. All software used to provide any service on the Website is the property of Ferguson or its software suppliers and protected by United States and international copyright laws. In connection with Your use of the Website, Ferguson grants You a limited, non-transferable, non-sub-licensable, non-exclusive, revocable license to access, view, use, print and download a single copy of the Website’s content for Your personal use. You agree not to modify or delete any copyright, trademark, or other proprietary notice. Ferguson may revoke this license at any time for any or no reason. Except as expressly authorized by Ferguson, You agree not to sell, license, distribute, copy, modify, publicly perform, or display, transmit, publish, edit, adapt, create derivative works from, or otherwise make unauthorized use of all Website content and materials.

viii.You will not transmit or disseminate any kind of material that contains malware, viruses, bots, worms or any other computer code, files or programs that interrupt, destroy or limit the functionality or operation of the Website;

PRVs play a vital role in preserving the integrity and lifespan of your equipment, ensuring smooth operations while mitigating the risk of catastrophic failures. In industries where high-pressure systems are the norm, PRVs are indispensable, safeguarding both your machinery and personnel.

e) Capacity. The Website is a general audience Website for adults age 18 or over, and is intended for use only by individuals in the United States. By using this Website, You represent that You are 18 years or older and have legal capacity to enter into the agreement set out in these Terms, including but not limited to, that You are of sufficient mental capacity, and are otherwise permitted to be legally bound in contract.

b) We may require, at any time, proof that You are following these Terms. We reserve the right to take, or refrain from taking, any and all steps available to Us, including suspending or terminating Your access to the Website or seeking other legal or equitable remedies, once We become aware of any violation of these Terms. As a condition of use of the Website, You represent the following:

TPRVs are designed to open when either the pressure or temperature exceeds safe operating limits, providing comprehensive protection against potential hazards. Their dual-function capability ensures that systems remain safe and efficient, even under fluctuating temperature and pressure conditions.

c) Use. The Website and its contents are for Your personal use only. Ferguson grants You a limited license to access and make personal use of the Website. This license does not include (i) any resale or commercial use of the Website, or the content made available through the Website; (ii) any derivative use of the Website or the content made available through the Website; (iii) any downloading or copying of content or account information; (iv) any collection and use of product listings, descriptions, or prices; or (v) any use of data mining, scraping, spiders, robots, or similar data gathering or extraction tools. You may not use any meta tags or any other “hidden text” utilizing Ferguson’s name or trademarks without the express written consent of Ferguson. Except as explicitly permitted by these Terms, no content made available through the Website may be used, reproduced, transmitted, distributed, downloaded, displayed, framed, modified, or otherwise exploited in any way. All users agree to refrain from copying, modifying, reverse engineering, decompiling, or disassembling any software code included in the Website. You shall not use the Website in any manner that could damage, disable, overburden, or impair the Website.

Our objective is to offer our customers water treatment facilities, technology and support services, while safeguarding the resources of our blue planet.

b) Access to Your Account. You are responsible for maintaining the confidentiality of Your account and password, and for restricting access to Your computer, and You agree to accept responsibility for all activities that occur under Your account or password.

To the fullest extent permitted by law, You acknowledge and agree that You are waiving the right to a trial by jury and to the litigation of disputes in state or federal courts of general jurisdiction. You further acknowledge and agree that any arbitration shall proceed on an individual basis only and not as a class action or representative action, and You expressly waive the right to file a class action or seek relief on a class basis.

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» The Basic Functionality of PRVs » Applications of PRVs » Pressure Relief Valve Types » Pressure Safety Valves vs Pressure Relief Valves » PRV Components and Working Principles » Installation and Maintenance » Industry Standards and Regulations » PRV Inspection Services by AME

If you work in a plant or operate within the mining, chemical, petrochemical, oil and gas, or energy sectors, you understand that safety is paramount. A critical component of your safety infrastructure is the pressure relief valve (PRV).

HEADINGS. All headings used in these Terms are for reference purposes only and shall not be used to interpret, analyze, or construe these Terms or the provisions set forth herein.

SURVIVABILITY. Sections 4 (Privacy), 8 (Ownership; Proprietary Rights), 12 (Indemnification; Hold Harmless), 13 (Dispute Resolution), 14 (Assignment), 15 (Severability), 17 (Headings), 19 (No Waiver), 20 (Children’s Online Privacy Protection Act (“COPPA”) Notification), and 21 (Digital Millennium Copyright Act) shall survive any termination of these Terms.

i) Pro Pick-up alternatives. "Pro Pick-Up" or "Pro Pick-Up within one hour" may be available as an alternative to standard order delivery based upon the product(s) ordered, store location, and local inventory. The Pro Pick-Up alternatives that may be available for Your order, if any, will be identified at checkout. "Pro Pick-Up" or "Pro Pick-Up within one hour" are limited to specific hours that vary by store location, and Ferguson is not responsible and assumes no liability for the failure or inability to complete a designated pick-up within the applicable time period. Your Pro Pick-up location will default to the store location designated on the website. If You would like to arrange for pick-up at another location (where available), You may change to another available store location. When ordering over the phone, advise the Ferguson associate that you prefer to pick-up Your order, the preferred store location, and the Pro Pick-Up alternative You would like to use for the order, and the Ferguson associate will confirm availability, store location, and time for pick-up. When ordering online, You will receive an order confirmation by email or text (if You have opted-in to receive text messaging) confirming the scheduled date and time that You order will be ready for pick-up at the designated store location. If an order designated for "Pro Pick-Up" or "Pro Pick-Up within one hour" is not picked-up from the designated store location within three (3) business days from the date of availability provided at the time of confirmation, Ferguson reserves the right, in its sole discretion and without further notice to You, to cancel the order and return the product(s) to inventory. If Ferguson cancels the order, We will issue a credit by the charged payment method for the amount of the charge (less any restocking fee that may apply), or by an alternate method in Our sole discretion.

c) Pricing. While Ferguson strives to provide accurate product and pricing information, pricing or typographical errors may occur. In the event that an item is listed at an incorrect price or with incorrect information due to an error in pricing or product information, Ferguson shall have the right, at Our sole discretion, to either contact You for instructions or cancel Your order and notify You of such cancellation. Prices are in U.S. dollars and do not include applicable taxes, if any. Promotional prices and discount offers are valid only during the applicable period established for the program. Prices and availability are subject to change without notice. Ferguson has the right to cancel any order for products or services listed at an incorrect price due to any error, whether or not the order has been confirmed. Ferguson will provide notice to You when cancelling any such order.

CONDUCT AND ACCEPTABLE USE. a) You are responsible for the content of Your communications and representations through the Website, including those sent to Us through the Website from Our contact forms.

Several key standards govern the design, testing, and operation of pressure relief valves and each one is established by respected organisations in the field:

PRVs are precisely engineered to respond to specific pressure conditions, making their construction and operation integral to their performance. By delving into the key components and the mechanics of how PRVs operate, we can better appreciate the role they play in maintaining safety and preventing system failures.

c) YOU ALSO SPECIFICALLY AGREE THAT FERGUSON IS NOT RESPONSIBLE FOR ANY CONTENT SENT AND/OR INCLUDED ON THE WEBSITE BY ANY THIRD PARTY. YOU FURTHER AGREE THAT FERGUSON AND/OR ITS RESPECTIVE LICENSORS, AFFILIATES, AND SUPPLIERS MAY MAKE IMPROVEMENTS AND/OR CHANGES TO THE WEBSITE AND/OR MAY DISCONTINUE ANY PART OF THE WEBSITE AT ANY TIME.

a) A physical or electronic signature of a person authorized to act on behalf of the owner of an exclusive right that is allegedly infringed;

You represent and warrant that: (i) You own or otherwise control all the rights in any Submission You submit, and (ii) the Submission is non-infringing and does not otherwise violate the rights of, or cause any injury to, any person or entity. You acknowledge and agree that You will indemnify Ferguson for all claims resulting from the content You post or submit. Ferguson has the right but not the obligation to monitor and edit or remove any activity or content. Ferguson takes no responsibility and assumes no liability for any content posted by You or any third party.

These maintenance tasks help extend the life of the valve and prevent unexpected failures that could lead to system downtime or safety hazards.

If you’re looking to enhance the reliability and safety of your systems, partnering with Asset Management Engineers (AME) ensures you will receive expert guidance and support in maintaining or replacing PRVs and other critical components.

Pressure safety valves and relief valves are both critical components in pressure management systems, designed to protect equipment and personnel from the dangers of excessive pressure. While they share the common goal of preventing overpressure, they differ in their design, operation, and typical applications.

1 In Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter.

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Being critical safety devices, PRVs must meet stringent industry standards and regulations to ensure their reliability and effectiveness. Compliance with these standards is a legal requirement in many industries, including oil and gas, mining, chemical processing, and power generation.

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PRVs operate on a simple yet effective principle: They open at a set threshold to relieve excess pressure from a system. Once the pressure within the system returns to a safe level, the valve closes, so the system can continue to operate normally.

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They are often used in critical systems, such as those found in refineries, chemical processing plants, and offshore drilling rigs. Their ability to handle high pressures with minimal pressure loss during operation makes them a preferred choice for applications requiring tight pressure control.

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Even with proper installation and maintenance, pressure relief valves can experience issues that need to be addressed promptly:

Conventional pressure relief valves are the most commonly used type of PRV. They rely on a spring mechanism to open and relieve pressure when it exceeds a pre-set limit. Valve performance can be affected by backpressure (the pressure on the outlet side of the valve), which can reduce the valve’s effectiveness by altering the set pressure.