Forged steel check valves

Y type pressure sealed check valves

Design and manufacture conform to ASME B 16.34 , 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:
A threaded and pressure seal bonnet , 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 + 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
23	Seal gasket	420	420	304	304	304(L)	316(L)	410
24	P.S ring	304	304	304	304	316L	316L	316L
25	P.S seat	F410	F410	F304	F410	F304	F316	F51
26	Lift pad	2H	2H	8	8	8(M)	8(M)	8M
27	Lift stud	B7	B7	L7	B16	B8(M)	B8(M)	B8M