***Note - Damaged shipments can happen. We pack our products to the best standards. Please take pictures of damaged packaging, items, and email info@easternirrigation.com within 48 hours of receiving your package. You can also refuse delivery and we will get the package back and send you a new one. Please let us know if you refuse delivery.

Package/Freight items:Customer is responsible for noting any damage on product or package when receiving packages, pallets, crates, freight items and small packages in a timely manner of 1 business day. Pictures are required for warranty issues and return. Eastern Irrigation is not responsible for product damaged upon customer opening or removing items from packaging. Eastern Irrigation has the right to refuse returns for damaged items received.

Additional non-returnable items:Gift cardsDiscontinued productsTo complete your return, we require a receipt or proof of purchase, or your order receipt.Please do not send your purchase back to the manufacturer unless directly instructed to.

The below direct-op performance curve demonstrates that in order to open further to supply an increasing flow demand, a direct-operated regulator can’t maintain downstream pressure at setpoint. Instead, downstream pressure must droop below setpoint because the only way the internal parts of a regulator will travel open is if the diaphragm senses a decrease in that outlet pressure. The pilot-operated regulator must also sense a decrease in downstream pressure to open but to a much smaller extent as reflected on the chart.

We recommend documenting the condition that you shipped the item in and email it to info@easternirrigation.com after you have submitted your Return Request.Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

To return your product after you receive an RMA, please attach the label to the shipping box and drop off with the carrier.

By placing an order with us, you agree to our policies. Shipping, return, and privacy policy along with our terms of service.

As shown in How does a Direct-Operated Regulator Work?, direct-operated regulators are simple mechanical devices which automate pressure control. Direct-operated regulators are well suited for many applications, but not all. They are only moderately accurate and the size of the actuator becomes prohibitive above many 2” line size applications especially at higher pressure ratings. Pilot-operated regulators offer superior accuracy and larger flow capability, which are both critical for applications such as natural gas distribution, gas turbine feeds, and nitrogen blanketing large tanks.

The above animation demonstrates how a loading-style pilot-op reacts when the downstream flow demand increases. The regulator must open in order to supply the increased flow demand. First, the downstream pressure decreases because the regulator is not meeting the increased flow demand. The pilot then detects this decrease in pressure below its 10 psig setpoint. The force from the decreased outlet pressure is now less than from the spring, moving the diaphragm and valve plug downward. This small movement by the pilot allows inlet pressure to flood into the loading pressure chamber, increasing the loading pressure high enough that its upward force on the main valve diaphragm is sufficient to exceed the downward force from the downstream pressure and main spring. The main valve opens, matching the increased flow demand while holding outlet pressure slightly below setpoint.

In this example application, 100 psig inlet pressure (red) is reduced to 10 psi outlet pressure (blue). When the pilot opens, it allows some of the high inlet pressure to enter the loading pressure chamber, increasing the loading pressure (green) which forces the main valve open. The restrictor continually bleeds loading pressure downstream so when the pilot closes, the loading pressure escapes downstream through the restrictor allowing the main valve to close.

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

The pilot and main valve both have an orifice, valve plug, and spring. The pilot spring is adjusted to establish the pressure setting while the main valve spring’s purpose is to provide shutoff force therefore it comes preset from the factory with the correct compression. The restrictor is a small hole that allows pressure to equalize after the pilot closes, closing the main valve.

Pilot-operated regulators have two major components: the pilot and the main valve. The pilot is simply a self-operated regulator with external registration. It is the brains of the regulator and it controls the opening and closing of the main valve. The main valve is an actuator connected to a valve through which essentially all of the flow passes.

This 2 inch reduced pressure zone assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a bronze body, NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.

All pilot-operated regulators follow the same sequence of events: 1) The downstream pressure changes. 2) The pilot senses the pressure change and moves in response.  3) The pilot movement alters the loading pressure. 4) The change in loading pressure forces the main valve to reposition.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping may be deducted from your refund.  Remember restocking fees apply on most items.  You are responsible for packing your order to prevent damage, always return unit in packaging in which it was originally shipped.  We do not accept damaged packages.  Our large items often come in custom boxes, this is for the protection of the item.  Depending on where you live, the time it may take for your exchanged product to reach you, may vary.If you are shipping an item over $75, you should consider using a trackable shipping service and/or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

This is the official online community site of the Emerson Global Users Exchange, a forum for the free exchange of non-proprietary information among the global user community of all Emerson Automation Solution's products and services. Our goal is to improve the efficiency and use of automation systems and solutions employed at members’ facilities by sharing our knowledge, experiences, and application information. User Groups | World Areas | Community Guidelines | Legal Information | Privacy Policy | Contact Community Manager Website translation provided by © 2015-2022 Emerson Global Users Exchange. All rights reserved.

Freight shipments: All damage is required to be marked on Bill of Lading. Be responsible, inspect the delivery and make sure nothing is missing, pieces damaged, parts dented or scratched. If damage is not noted when signing and receiving, Eastern Irrigation is unable to make a claim with the shipper on your behalf.

Submit a Return Request:To be eligible for a return, your item must be unused and in the same condition that you received it. Items that have been installed are not eligible for return.  It must also be in the original packaging with instructions and all applicable items/accessories.  We also have a restocking fee on items that ranges from 10-40%.  The restocking fee includes all shipping charges that are non-refundable.  Any return that receives a return label must have the item shipped within 10 days of receiving the label.  We will not accept returns that go beyond the 10 day window.

All applications require some level of accuracy so even though both products in this example reach the same maximum flow, the direct-operated regulator has much less useful flow capability. Accuracy constraints for a potential application are plotted below showing that for the same accuracy, the flow capability of the pilot-operated regulator is several times more than the direct-operated regulator.

The above animation demonstrates how a loading-style pilot-operated regulator responds when downstream demand decreases to zero. The regulator must close in order to meet the zero flow demand. First, the downstream pressure increases because the regulator is still open, exceeding the flow demand. The pilot then senses this increase in pressure above its 10 psig setpoint. The force from the increased outlet pressure is now higher than the spring, moving the diaphragm and valve plug upward and closed. The pilot closing stops inlet pressure from entering the loading pressure chamber and the restrictor bleeds the loading pressure down until it is the same pressure as outlet. The decrease in loading pressure force upward on the main valve diaphragm is overpowered by the downward force from the downstream pressure and main spring. The main valve closes, matching the zero downstream demand while holding outlet pressure just above setpoint.

There are certain situations where only partial refunds are granted (if applicable), including items that require a restocking fee.Any item not in its original condition, is damaged or missing parts for reasons not due to our error.Any item that is returned more than 30 days after delivery.Refunds (if applicable)Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.We reserve the right to refuse to refund shipping charges at our discretion.Late or missing refunds (if applicable)If you haven’t received a refund yet, first check your bank account or credit card statement again.Then contact your credit card company, it may take some time before your refund is officially posted.Next contact your bank. There is often some processing time before a refund is posted.If you’ve done all of this and you still have not received your refund yet, please contact us at info@easternirrigation.com .Sale items (if applicable)Only regular priced items may be refunded, unfortunately sale items cannot be refunded.Exchanges (if applicable)We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@easternirrigation.com and send your item to: 4701 Shore Drive suite 103 #183 Virginia Beach Virginia US 23455. If special conditions apply, contact us before sending your product.  GiftsIf the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.Shipping

*Note - Some products require freight shipping. For these shipments a phone number is required so the carrier can arrange appointment with the customer. Customer is required to be present for unloading delivery and is responsible for noting any damage on bill of lading. Freight shipments are curbside- this is a standard freight practice with all carriers.  Customers will be required to unload their package or request a lift gate for $99.  The freight carriers will not bring your package to the front door like traditional UPS or FedEx delivery.  Please mark all damage immediately or any suspected damage on the Bill of Lading.  We cannot accept any returns or make a claim without a note on the Bill of Lading.  The customer must be present for all freight deliveries.