Technical specificastion
Design Standard API 594, API 6D, JB/T8937
Face to Face API 594, API 6D, JB/T8937, DIN3202
Flange Ends ANSI B16.5, DIN2543~48, JB/T9112~24
Test & Inspection API598, DIN3230, JB/T9092
Standard Material Specifications
NO. Part Name WCB(A105) CF8(304) CF3(304L) CF8M(316) CF3M(316L)
1 Body WCB(A105) CF8(304) CF3(304L) CF8M(316) CF3M(316L)
2 Disc WCB/CF8 CF8 CF3 CF8M CF3M
3 Stem 2Cr13 304 304L 316 316L
4 Spring 0Cr18Ni9 0Cr18Ni9 00Cr19Ni10 0Cr17Ni12Mo2 0Cr17Ni14Mo2
Suitable Medium W.O.G.etc HNO3,CH2OOH etc
Suitable Temperature -29~425 oC -196~540 oC
Design Standard API 594, API 6D, JB/T8937
Face to Face API 594, API 6D, JB/T8937, DIN3202
Flange Ends ANSI B16.5, DIN2543~48, JB/T9112~24
Test & Inspection API598, DIN3230, JB/T9092
Standard Material Specifications
NO. Part Name WCB(A105) CF8(304) CF3(304L) CF8M(316) CF3M(316L)
1 Body WCB(A105) CF8(304) CF3(304L) CF8M(316) CF3M(316L)
2 Disc WCB/CF8 CF8 CF3 CF8M CF3M
3 Stem 2Cr13 304 304L 316 316L
4 Spring 0Cr18Ni9 0Cr18Ni9 00Cr19Ni10 0Cr17Ni12Mo2 0Cr17Ni14Mo2
Suitable Medium W.O.G.etc HNO3,CH2OOH etc
Suitable Temperature -29~425 oC -196~540 oC
Main Products
wafer check valve , check valve , double disc check valve , daul plate