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United Brass Works 1/2" Spring Check Valve

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$25.95 - $89.95
{{resource("/ProductPage/Labels/List")}} $53.62 - $188.90
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Durable United Brass Valves.

Spring check valves are placed on return line after steam trap. It prevents back flow of water into steam trap. It is spring loaded which makes sure the valve has closed. It provides a more positive seat then swing check. It is good on pump to boiler line where syphoning may be present. A Teflon disc is included. Available in a variety of sizes. All sizes have 200 WSP.

Features

  • Spring loaded
  • Prevents the back flow of water into the trap
  • Bronze
  • Durable
  • Available in a variety of sizes

Product Specifications

Brand: United Brass
Units: Each
Size / Dimension: 1/2"
Material: Bronze
Additional Information:

13 Questions / 13 Answers

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Is there a visual way to determine if the Spring Check Valves are defective or not working?
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Unfortunately, there is no way to visually tell if these are defective without taking them apart.
Joseph D.
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I replaced all traps & valves but the problem still continues, the water from return tank is too hot and it makes the pump runs over time. I worry that will wear out the pump.
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Extra hot water in the return tank is caused by either bad traps, bad float valves in the return tank, or a bad swing/spring check valve between the pump and boiler.
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Referring to valves, what does WOG and WSP mean?
Anonymous
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Some Valves carry two ratings: WOG and WSP. WOG stands for the water, oil, and gas rating for the valve and reflects the maximum pressure capability of the valve at 100 F. WSP stands for working steam pressure and reflects the maximum steam pressure rating for the valve at the highest temperature rating. The WOG rating is always higher than the WSP rating for a valve or fitting. Some valves are only carry WSP ratings as they would only be used with steam.
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Can your spring check valve with Teflon disc, be used on steam return line in place of swing valve?
Anonymous
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Spring check valves provide a more positive seat, they are perfect for areas where there is a lot of vibration.
Staff
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How can I tell which size valve I need?
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The size of our valves are printed above the WSP rating on the valve.
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Why do some valves come with a WSP and WOG rating, and others just talk about the psi ranges?
Anonymous
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Some valves can be used on water, oil, and air (WOG) as well as steam. Steam is a more abrasive substance, so the WSP (working steam pressure) rating tends to be lower than the WOG rating. Some items, just as steam traps and steam pressure reducing valves are only used in conjunction with steam, so psi ranges are associated with these items.
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Can your Spring Check Valves be used on the dry cleaning lines that contain Perc?
Anonymous
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Yes, because ours have a Teflon® seat our Spring Check Valves will work.
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Do you carry and sell rebuilt valves?
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No, we do not sell any valves that have been rebuilt.
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What is the disc made up of in your Spring Check Valves?
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Our Spring Check Valves (SPR) come with a Teflon disc.
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What does PSI refer to?
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PSI is a unit of measurement. It stands for pounds per square inch.
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What is he difference between a Swing Check Valve and a Spring Check Valve?
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Both of these valves are intended to prevent water backing up into the steam trap. Typically swing check valves are used with a steam trap. For boiler feed lines, the Spring Check Valve and Swing Check Valve are both recommended. The Spring Check Valve should be installed closest to the pump, and the Swing Check Valve should be installed closest to the boiler. A Swing Check Valve needs back pressure in order to seal it, whereas a Spring Check Valve is spring-loaded which ensures the valve has closed.
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Can the Spring Check Valve be mounted vertically?
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Yes, the spring check valves can be mounted vertically.
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What would be a reason for the Spring Check Valve not working?
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If there is debris lodged in the spring check valve, the check valve may malfunction. With the system shut down or closed off, take the cap off. Take out the disc holder assembly. Check to make sure there is no debris in the valve or the assembly.
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