Swing Check Valve
Size:DN50-DN500
PN: CL150-CL2500
API6D Design
1.Design and manufacture per ANSI B16.34 and API6D or BS 1868 standard
Face to face dimensions per ANSI B16.10 standard
End flange dimensions per ANSI B 16.5 Standard (1/2-24)or MSS sp44 or API605(28-30)
Pressure temperature ratings per ANSI B 16.34 standard
Pressure test per API598 standard
Nominal pressure class 150-2500lb
Nominal diameter NPS1/ 2 -30"
t2.ype of connection
( a) flange(RF ,FM,M, ,TG ,FF,,RJ, SW,,BW, TH) R.F and R.T.J ype of connection flange ends to ANSIB16.5 standard or API605and MSS sp-44 standard B.W flange ends to ANSI B16.25 standard
(b)interal thread
(c)external thread
(d) welding
(e)twin-clip
(f)clip
(g) cutting sleave
3 type of operation connection dimensions of worm actuator , gear actuator ,electric actuator ,pneumatic actuator , hydraulic actuator to ISO5211 standard
4 other equipment anti-static construction "AS" and fire -resistant construction "FD"
5 materialsaccording to
ASTM carbon steel: WCB , A105,WCC,WCA, LCB,LCC;alloy steel:WC6,WC9,:cast stainless steel CF3,CF8,CF3M,CF8M; forged stainless steel :304,316,304L,316L;Cr5Mo,1Cr18Ni9Ti,0Cr17Ni12Mo2Ti and so on