Backflow Preventer FAQ - backflow preventer
Safety valves
Additional Part Number Information: Equivalent Part Number: LFUSGB; Supplies Depot Part Number: 481162. Product Video. An error occurred.
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The Pressure Relief Valve (PRV) automatically releases any excess pressure built up inside a watertight enclosure. It works automatically, but it can also be opened manually or used to perform a vacuum test on your enclosure! We strongly recommend using the PRV on our locking watertight enclosures.
The Pressure Relief Valve is an important safety mechanism for our locking watertight enclosures and also adds a few features to the enclosures.
Why is it needed for safety? Our watertight enclosures have come with a manual vent that has worked great for years. But, our next generation watertight enclosures have a locking cord that secures the flange to the tube and prevents the end cap from coming off.
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The PRV is designed to work with the updated Vacuum Plug and Backfill Adapter. Check out those product pages for more details and usage guides! Note that if you already have a vacuum plug, you will need the updated version to be compatible with the PRV.
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Our pressure / safety relief valves are available in screwed BSP or flanged PN16 options and can be set to your required pressure by our team of highly experienced valve calibration engineers.
In the rare situation that an excessive amount of pressure builds up in the tube it can create an unsafe situation and/or damage to the enclosure. Pressure build-up could be due to the buildup of gasses from a chemical reaction like something catching on fire, or from a slow leak into the enclosure while at depth followed by a quick return to the surface. The PRV automatically releases any excess pressure built up inside a watertight enclosure. It works automatically to relieve pressure, and it also works manually, like our original vent.
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The PRV has an M10 thread so that it can be mounted to any of our watertight enclosure end caps. It can be used in a few different ways:
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Pressure valve
Why is it needed for safety? Our watertight enclosures have come with a manual vent that has worked great for years. But, our next generation watertight enclosures have a locking cord that secures the flange to the tube and prevents the end cap from coming off.
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Menu · LSP P-06287. Brass Washing Machine Outlet Box Valve, 1/2 x 3/4 in, MIP x GHT, Red Handle. LSP P-06287. Brand: LSP; PN: P-06287; MPN: P-06287
The Pressure Relief Valve is an important safety mechanism for our locking watertight enclosures and also adds a few features to the enclosures.
The PRV is designed to work with the updated Vacuum Plug and Backfill Adapter. Check out those product pages for more details and usage guides! Note that if you already have a vacuum plug, you will need the updated version to be compatible with the PRV.
Arrowhead PK1390LFLW Brass Self-Draining Vacuum Breaker - Chrome, Female Inlet, 3/4-in Male Outlet, Freeze & Contamination Protection
The pressure relief valves in our range are offered with an array of options, so if you need some help identifying the correct configuration; please speak to our team.
In the rare situation that an excessive amount of pressure builds up in the tube it can create an unsafe situation and/or damage to the enclosure. Pressure build-up could be due to the buildup of gasses from a chemical reaction like something catching on fire, or from a slow leak into the enclosure while at depth followed by a quick return to the surface. The PRV automatically releases any excess pressure built up inside a watertight enclosure. It works automatically to relieve pressure, and it also works manually, like our original vent.
The PRV has an M10 thread so that it can be mounted to any of our watertight enclosure end caps. It can be used in a few different ways: