Ball Valve Pressure Rating

Units service temp f working pressure psig cast materials working pressure psig forged materials astm a216 wcb astm a217 wc6 astm a217 wc9 astm a217 c5 astm a351 cf8 astm a351 cf3 astm a351 cf8m astm a351 cf3m astm a352 lcb. The noticeable disparity in pressure ratings between high temperature situations and low temperature situations is what prompted the american water works association to issue its own set of standards specific to cold water service. Temperature is the final key to determining the pressure rating of valve flange.

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1 2 In Lead Free Bronze S X S Pressure Rated Ball Valve

Specification Details Design Din3357 En12516 Size Dn15 Dn150

Nibco 3 4 In Lead Free Bronze Press X Press Pressure Rated Ball

Specification Details Design Din3357 En12516 Size Dn50 Dn600

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Globe Valve Body A216 Wcb Bonnet A216 Wcb Trim 13 Cr Hand

If for example your selected valve employs rubber o rings as stem and seat retainer seals then the rated range for that valve is the lower of the two values.

Ball valve pressure rating. Valves typical operating temperatures operating temperatures for typical types of valves ball valves butterfly valves and more tag search en. Pressure temperature ratings asme b16 34 valves asme class 150 pressure temperature ratings for valves u s. Wsp the industry uses wsp for bronze ball valves because as the temperature rises the strength of the material decreases. Because metals are weaker at higher temperatures high pressure ratings correspond with lower temperatures.

Valves pressure ratings api 6d. Ball valves can only be used within a range of values that satisfies both the above mentioned ratings. The number represents the pressure rating ie a 600 with cwp under it would mean the valve is rated to 600 psi cwp. Valve pressure rating 400 psi 28 bar non shock cold working pressure standard port chrome plated brass ball and brass stem blowout proof stem standard lever handle solder end connections use in u s.

Drinking water applications is prohibited after january 3 2014 size range 1 2 to 2 view submittal sheet build custom submittal. Each seat material has its own pressure rating independent of the rating for the valve body.