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Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve

by Watts

List Price: $45.99
Price: $38.78 & FREE Shipping. Details
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  • Calibrated adjustment feature for setting valve to relief pressure required
  • Adjustable range 50 to 175 psi (3.4 to 12.1 bar)
  • All brass construction
  • Inlet (bottom), male NPT threaded
  • Outlet (side), female NPT threaded
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Frequently Bought Together

Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve + Flotec TC2104-P2 Well Pump Pressure Gauge
Price for both: $46.77

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Product Information

Technical Details
Part Number LF530-C 3/4"
Item Weight6.4 ounces
Product Dimensions4 x 1.5 inches
Item model numberLF530-C 3/4"
ColorBrass
Materialmetal
Item Package Quantity1
  
Additional Information
ASINB000936L24
Best Sellers Rank #87,597 in Home Improvement (See top 100)
Shipping Weight1 pounds (View shipping rates and policies)
Date First AvailableApril 28, 2005
  
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Product Description

Series 530C Calibrated Pressure Relief Valves are used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for by-pass thermal expansion pressure relief (not ASME approved).

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By Kevin Roth on March 18, 2014
Verified Purchase
Extremely fast shipping.
Played with pressure adjustment. Markings may not line up exactly with actual pressure needed to open the valve but it's close enough. I can finally rest at ease because I was able to easily adjust it to the range I need.
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0 of 2 people found the following review helpful By Sleinad KcaJ on December 9, 2012
Verified Purchase
Used to replace a 75lb pressure relief valve installed by Ryland Homes, on a county water line, that a county employee told me gets up to 100 PSI. Every other time I ran the Rainbird system, the old valve on the main from the street would open and not shut. If I was away the water ran out into the street. You would think a neighbor might come over and shut it off, it is outside on the house, or ring the bell. I got a $580.00 water bill one month. Tampa, Hillsborough County, FL. Moreover, the old valve would not close again, until you shut the main off and turned it back on.

This one I set at 105 PSI and it has not opened once. I think I might turn it lower, until it does open and see if it closes on its own, once excess pressure is released by it. I have not done that yet.
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