Van chặn thép rèn áp lực
Pressure sealing globe valves
Application standards
Design and manufacture conform to BS5352 MSS SP_118;
Connection ends conform to:
1)Socket welded dimension 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 B16.25;JB/T12224
4)Flanged ends conform to ANSI B16.5;JB79
Test and inspection conform to
API 598; GB/T113927; JB/T9092
Structure features:
Bolted bonnet, outside screw and yoke
Welded bonnet, outside screw and yoke
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
CL1500-3705 P.S.I @ 100ºF
CL2500-6170 P.S.I @ 100ºF
Main part material list
No
Part name
A105/F6a
A105/F6aHFS
LF2/304
F11/F6aHF
F304(L)/304(L)
F316(L)/316(L)
F91/410HF
1
Body
A105
A105
LF2
F11
F304(L)
F316(L)
F91+HF
3
Disc
F6a
F6a
F304
F6aHF
F304(L)
F316(L)
410+HF
4
Stem
410
410
304
410
304(L)
316(L)
410
6
Bonnet
A105
A105
LF2
F11
F304(L)
F316(L)
F91
8
Pin
410
410
410
410
304
304
410
9
Gland
410
410
304
410
304
316
410
10
Gland eyebolt
B7
B7
L7
B16
B8(M)
B8(M)
B8
11
Gland flange
A105
A105
LF2
F11
F304
F304
F91
12
Hex nut
2H
2H
2H
2H
8(M)
8(M)
8
13
Stem nut
410
410
410
410
410
410
410
14
Locking nut
35
35
35
35
35
35
35
15
Nameplate
AL
AL
AL
AL
AL
AL
AL
16
Handwheel
A197
A197
A197
A197
A197
A197
A197
18
Packing
Graphite
Graphite
Graphite
Graphite
Graphite
Graphite
Graphite
21
Steam pad
420
420
420
420
316SH
316H
420
22
Disc nut
410
410
410
410
304(L)
304(L)
410
23
Seal ring gasket
420
420
420
420
304(L)
304(L)
316(L)
24
P.S. ring
304
304
304
304
304
304
304
25
P.S. seat
420
420
420
420
304(L)
304(L)
F91
26
Nut pad
410
410
410
410
410
410
410
27
Draw-in stud
Cast steel
Cast steel
Cast steel
Cast steel
Cast steel
Cast steel
Cast steel
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