cvc Forged steel valves
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Forged steel cryogenic valves

Cryogenic gate valves

Cryogenic gate valves       Cryogenic gate valves

Cryogenic gate valves

Application standards

  1. Design and manufacture conform to API 602 , BS5352 , B16.34
  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:
    Bolted bonnet , outside screw and yoke
    Welded bonnet , outside screw and yoke
  5. Materials conform to ANSI/ASTM
  6. Main materials:
    LF2 , LF3 , 304(L) , 316(L) , F347 , F321 , F51

Carbon steel temperature-pressure rate

CL150 - 285 P.S.I @ 100oF
CL300 - 740 P.S.I @ 100oF
CL600 - 1480 P.S.I @ 100oF
CL800 - 1975 P.S.I @ 100oF
CL1500 - 3705 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 - - LF2 LF3 F304(L) F316(L) F51
2 Seat ring - - 304 304 304(L) 316(L) F51
3 Wedge Disc - - F304 F304 F304(L) F316(L) F51
4 Stem - - 304 F304 304(L) 316(L) F51
5 Gasket - - 304+
flexible grahite
304+
flexible grahite
304+
flexible grahite
316+
flexible grahite
316+
flexible grahite
6 Bonnet - - LF2 FL3 F304(L) F316(L) F51
7 Bolt - - L7 L7 B8 B8 B8
8 Pin - - 410 410 304 304 304
9 Gland - - 304 304 304 316 F51
10 Gland eyebolt - - L7 L7 B8(M) B8(M) B8M
11 Gland flange - - LF2 LF3 F304 F304 F304
12 Hex nut - - 2H 2H 8(M) 8(M) 8M
13 Stem nut - - 410 410 410 410 410
14 Locking nut - - 35 35 35 35 35
15 Nameplate - - AL AL AL AL AL
16 Handwheel - - A197 A197 A197 A197 A197
18 Packing - - Graphite Graphite Graphite Graphite Graphite
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