China High Quality Gate Valve Class 800 Socket Weld Manufacturers – API602 Check Valve,Stainless steel,Duplex Steel, Alloy steel,Bronze,304,316,F51,F55,LF2,F91,Monel,C95800,B62 – UNIQUE

Construction Features

Forged Steel,Piston,Ball or Swing type Integral Body Seat for Piston and Ball Check valves Separated Seat Ring design for swing check valves Spiral Wound Gasket or Oval Ring Joint gasket Reduced Bore or Full Port, T-Pattern or Y-Pattern, Socket Welded,Threaded,Butt Welded,Flanged End.  

Application Standard

API 602,ASME B16.34,BS 5352 Testing according to API 598 Marking to MSS SP25 Socket Welded Ends to ASME B16.11 Screwed Ends to ASME B1.20.1 Butt Welded Ends to ASME B16.25 Flanged Ends to ASME B16.5

API602 Forging Steel Check Valve
Pressure rating and size:	CL150-CL2500
	DN8 to DN50
	1/4"~4"
Material:	Body : A105N,F304(L),F316(L),LF2,F11,F51,Bronze,etc.
	Disc : F6a,F304(L),F316(L),F51,Bronze,etc.
	Stem : 304(L),316(L),Bronze,etc.
	Bonnet : A105N,F304(L),F316(L),LF2,F11,F51,Bronze,etc.
Operated type:	N/A
Structure:	Piston, lift type(ball type), swing type,
Flange connection:	ANSI B16.5
Butt-weld ends:	ASME B16.25
Socke-weld ends:	ASME B16.11
Screwed ends(NPT):	ANSI/ASME B1.20.1
Medium:	W.O.G
Temperature:	-196 to 593°C