125" brass valve question
125" brass valve question
(OP)
Hi All,
The more I read on different sites the more confused I get. A standard of the shelf full port 1.25" brass ball valve from any of the big box stores comes with a tag on it that read "600 WOG 150 SWP." I have read that the valve is rated for 600 psi on the net and that seems unlikely to me based on the 300# flanged fittings I have seem. My question is this. What is the rated working pressure of the above valve with water at temps between 30 and 90 degrees F ?
The more I read on different sites the more confused I get. A standard of the shelf full port 1.25" brass ball valve from any of the big box stores comes with a tag on it that read "600 WOG 150 SWP." I have read that the valve is rated for 600 psi on the net and that seems unlikely to me based on the 300# flanged fittings I have seem. My question is this. What is the rated working pressure of the above valve with water at temps between 30 and 90 degrees F ?





RE: 125" brass valve question
RE: 125" brass valve question
RE: 125" brass valve question
CWP: Cold Working Pressure: This designates the maximum non-shock pressure a product can operate at. “Cold” is generally defined as a range between -20°F to 100°F.
WOG: Water, Oil and Gas: This was an older, generic pressure rating call-out which has been largely replaced by CWP (see above). In this designation, “Gas” refers to any non-flammable, compressible fluid in a gaseous state. It does not imply a product’s suitability or third-party approval for use with flammable gases. Similarly, in this designation, “Oil” does not imply a product’s third-party approval for use with any petroleum products.
http://www.nibco.com/FAQ/Tech-Services/
600 WOG is 600 psi maximum for gas-oil-water.
The rating of the valve is one aspect and other aspects are the quality of the components and design. Different valves with the same cold working pressure rating may not have equivalent performance.
RE: 125" brass valve question
The confusing thing to me is what the 150 represents - the SWP?? or the flange / class rating of the valve. In which case what is the 600 doing there??
My motto: Learn something new every day
Also: There's usually a good reason why everyone does it that way
RE: 125" brass valve question