Forged steel check valves

Female threaded and socket welded check valves

Application standards

Design and manufacture conform to BS5352 , MSS SP - 118;
Connection ends conform to
1. Socket welded ends conform to ANSI B16.11 , JB/T1751
2. Screw ends conform to ANSI B1.20.1 , JB/T7306
3. Butt-welded ends conform to ANSI B 16.25 , JB/T12224
4. Flanged ends conform to ANSI B16.5 , JB79
Test and inspection conform to: API 598 , GB/T13927 , JB/T9092
Structure features: Bolted bonnet
Materials conform to ANSI/ASTM
Main materials:
A105 , LF2 , F5 , F11 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy

Carbon steel temperature-pressure rate

CL150 - 285 P.S.I @ 100^oF
CL300 - 740 P.S.I @ 100^oF
CL600 - 1480 P.S.I @ 100^oF
CL800 - 1975 P.S.I @ 100^oF
CL1500 - 3705 P.S.I @ 100^oF

Main part materials list

No.	Part name	A 105/F6a	A105/F6aHFS	LF2/304	F11/F6aHF	F304(L) 304(L)	F316(L) 316(L)	F51 F51
1	Body	A105	A105	LF2	F11	F304(L)	F316(L)	F51
2	Seat ring	410	410HF	304	410HF	304(L)	316(L)	F51
3	Disc	F6a	F6a	F304	F6aHF	F304(L)	F316(L)	F51
5	Gasket	304+ Flexible graphite	304+ Flexible graphite	304+ Flexible graphite	304+ Flexible graphite	304+ Flexible graphite	316+ Flexible graphite	316+ Flexible graphite
6	Bonnet	A105	A105	LF2	F11	F304(L)	F316(L)	F51
7	Bolt	B7	B7	L7	B16	B8(M)	B8(M)	B8M
15	Nameplate	AL	AL	AL	AL	AL	AL	AL
32	Revit	AL	AL	AL	AL	AL	AL	AL
33	Steel ball	430	430	304	STL	316(L)	316(L)	STL
34	Disc nut	2H	2H	8	8	8(M)	8(M)	8M
35	Hinge	410	410	304	410	316(L)	316(L)	F51
36	Pin	410	410	304	410	304(L)	316(L)	F51

Application standards

Design and manufacture conform to BS5352 , MSS SP - 118;
Connection ends conform to
1. Socket welded ends conform to ANSI B16.11 , JB/T1751
2. Screw ends conform to ANSI B1.20.1 , JB/T7306
3. Butt-welded ends conform to ANSI B 16.25 , JB/T12224
4. Flanged ends conform to ANSI B16.5 , JB79
Test and inspection conform to: API 598 , GB/T13927 , JB/T9092
Structure features: Welded bonnet
Materials conform to ANSI / ASTM
Main materials:
A105 , LF2 , F5 , F11 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy

Carbon steel temperature-pressure rate

CL150 - 285 P.S.I @ 100^oF
CL300 - 740 P.S.I @ 100^oF
CL600 - 1480 P.S.I @ 100^oF
CL800 - 1975 P.S.I @ 100^oF
CL1500 - 3705 P.S.I @ 100^oF
CL2500 - 6170 P.S.I @ 100^oF

Main part materials list

No.	Part name	A 105/F6a	A105/F6aHFS	LF2/304	F11/F6aHF	F304(L) 304(L)	F316(L) 316(L)	F51 F51
1	Body	A105	A105 + HF	LF2	F11 + HF	F304(L)	F316(L)	F51
3	Disc	F6a	F6a	F304	F6aHF	F304(L)	F316(L)	F51
6	Bonnet	A105	A105	LF2	F11	F304(L)	F316(L)	F51
15	Nameplate	AL	AL	AL	AL	AL	AL	AL
32	Revit	AL	AL	AL	AL	AL	AL	AL
33	Steel ball	304	304	304	304	304(L)	316(L)	F51

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