Forged Steel Check Valve

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Forged Steel Check Valve

Forged steel check valve has two types: swing and lift. It is made of A105, A250 LF2/F5/F11/F22, A180 F304/ F304L / F316/ F316L. The working pressure of the valve is ANSI Class 150–800 (PN 1.6 - 14.0 Mpa). The standard we adopt for Flanged, Socket Welded, Inner Screwed is ANSI B16.5 (RF), ANSI B16.11 and ANSI B1.20.1, respectively.

Forged Steel check valves

Valve type: swing type, lift type

End type: flanged end, socket weld end, inner screwed end

Pressure: ANSI Class 150–800 (PN 1.6 - 14.0 Mpa)

Flanged end standard: ANSI B16.5 (RF)

Socket Welded standard: ANSI B16.11

Inner Screwed standard: ANSI B1.20.1

Material: A105, A250 LF2/F5/F11/F22, A180 F304/ F304L / F316/ F316L

Product Name	Forged Steel Check valve
Size	1/4″-2″
Rating	Class 150-800
Design & Manufacture standards	API600, API 602, ASME B 16.34
Ends connection	Socked Welded: ASME/ANSI B16.11 Screwed: ASME/ANSI B1.20.1 (NPT)
Structural Feature	Full bore / Reduce bore; Lift type / Swing type
Inspection & Test	API 598

MAIN PARTS MATERIAL LIST
Part Name	Valve materials
	A105	A 350	A182
		LF2	F5	F11	F22	F304	F304L	F316	F316L
Body	A105	LF2	F5	F11	F22	F304	F304L	F316	F316L
Bonnet	A105	LF2	F5	F11	F22	F304	F304L	F316	F316L
Stem	A276-410					A276	A276	A276	A276
						-304	-304L	-316	-316L
Wedge or Disc	A276-420					304	304L	316	316L
						( STL)	( STL)	( STL)	( STL)
Sealing Ring or Seat	A276-410 STL					304	304L	316	316L
						( STL)	( STL)	( STL)	( STL)
Bonnet Bolt	A193-B7	A320-L7	A193-B16			A320-B8		A193-B8M
Gasket	304 Flexible Graphite Spiral Wound Gasket					316 Flexible Graphite Spiral Wound Gasket
Bushing	A276 410					A276-304		A276-316
Packing	Carbon Fiber Flexible Graphite					Carbon Fiber Flexible Graphite or PTFE
Packing Plate	A105 or WCB					304 or CF8
Ring Bolt	A276 - 410					A276 - 304
Nut	A194-2H					A276-304		A276-316
Rivet	A276-410					A276-304
Yoke Nut	A276-410
Gasket	A276-410
Handwheel	A197 or A47-32510
Name Plate	Aluminum					A276-304
Locknut	A108-1020

Notes: 1. STE- stellite hard alloy

2. Accessory compose of sealing: Gate Valve (wedge/sealing ring), Globe Valve, Check Valve (disc/seat)

3. It is available to follow other material required by the client.

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