Y type check valves
Application standards
1. Design and manufacture conform to BS5352 , MSS SP - 118;
2. 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
3. Test and inspection conform to: API598 , GB/T13927 , JB/T9092
4. Structure features:
A threaded and presure seal boonet , Y type and T type
5. Materials conform to ANSI/ASTM
6. Main materials:
A105 , LF2 , F5 , F11 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy ,
Carbon steel temperature-pressure rate
CL1500 - 3705 P.S.I @ 100oF
CL2500 - 6170 P.S.I @ 100oF
CL4500 - 1111* P.S.I @ 100oF
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
|
|
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
|
