Forged steel check valves

Y type check valves

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: API598 , GB/T13927 , JB/T9092
Structure features:
A threaded and presure seal boonet , Y type and T type
Materials conform to ANSI/ASTM
Main materials:
A105 , LF2 , F5 , F11 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy ,

CL1500 - 3705 P.S.I @ 100^oF
CL2500 - 6170 P.S.I @ 100^oF
CL4500 - 1111* P.S.I @ 100^oF

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
3	Disc	410	410HF	304	410HF	304(L)	316(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