American standard valve series
富彩vipProduct name: forged steel valve in low temperature
Product model: DZ41H,] DHZ41
富彩vipJob stress: 150 lb to 600 lb
Connection mode: 4, flange
The valve diameter: 3/8 "- 2"
Design and manufacturing: ASME/ANSI B16.34, API602, GB/T12224, GB/T12228, GB/T12224, JB/T7749
富彩vipThe flange end size: ASME/ANSI B16.5, JB/T82.1-82.2-94
富彩vipMain materials: LF2, LF3, F304 F304L, F316, F316L
富彩vipThe valve of inspection and test: JB/T7749 or API598
富彩vipStandard: GB, JB, HG, JIS, JPI, American standard: API, ANSI, ASME
Structure: B.B or W.B;
Gasket: stainless steel + flexible graphite
富彩vipOther: can replace seat
富彩vipThe company specializes in providing American standard valves and other valves, welcome to the company or individual calls us.
chart
[American forged steel cryogenic valves structure. JPG]
American forged steel valve structure at low temperature
Cryogenic valve is closed, sealing surface can only rely on medium pressure to seal, that depend on medium pressure, the disc will be to the other side of the valve seat sealing surface pressure to ensure that the seal face seal, this is the seal. Most is adopt compulsory seal gate valve, the valve is closed, to rely on outside force forced the ram pressure to the seat, to ensure the sealing surface sealing.