CLASS 150~600 CRYOGENIC GATE VALVE
BOLTED LENGTHEN BONNET,Threaded or welded seat ring
Full bore,OS&Y,Rising stem,Flexible wedge
Pressure relief hole on seat
Stainless trim
ASTM A352 LCB,LC1,LC2,LC3,LC4
A351 CF8,A351 CF8M
Standards compliance
Design and Manufacture: API 600,API 6D,BS1414
Face to face (end to end): ANSI B16.10,API 6D
Flanged connection: 2~24 to ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598,API 6D
Material specification
|
NO.
|
Part
|
A352 LCB
|
A352 LC1
|
A352 LC2
|
A352 LC3
|
A352 LC4
|
A352 CF8
|
|
01
|
Body
|
A352 LCB
|
A352 LC1
|
A352 LC2
|
A352 LC3
|
A352 LC4
|
A352 CF8
|
|
02
|
Seat ring
|
A182 F304+STL
|
A182 F304+STL
|
A182 F304+STL
|
A182 F304+STL
|
A182 F304+STL
|
A182 F304+STL
|
|
03
|
Wedge
|
A352 LCB+STL
|
A352 LC1+STL
|
A352 LC2+STL
|
A352 LC3+STL
|
A352 LC4+STL
|
A352 CF8+STL
|
|
04
|
Stem
|
A182 F6a
|
A182 F304
|
|
05
|
Gasket
|
Spiral wound/Soft Iron/PTFE
|
|
06
|
Bolt
|
A320 L7
|
A193 B8
|
|
07
|
Nut
|
A193 2H
|
A194 8
|
|
08
|
Back seat
|
A182 F6a
|
A182 F304+STL
|
|
09
|
Yoke
|
A352 LCB
|
A352 LC1
|
A352 LC2
|
A352 LC3
|
A352 LC4
|
A352 CF8
|
|
10
|
Gland Bocking
|
Graphite
|
|
11
|
Gland
|
A182 F6a
|
A182 F6a
|
A182 F6a
|
A182 F6a
|
A182 F6a
|
A182 F6a
|
|
12
|
Gland Flange
|
A352 LCB
|
A352 LC1
|
A352 LC2
|
A352 LC3
|
A352 LC4
|
A352 CF8
|
|
13
|
Stem nut
|
Cu-Aolly,A439 D-2
|
|
14
|
Yoke nut
|
A194 2H
|
|
15
|
Handwheel
|
Malleable Iron/cast steel/Ducile/Fabricated
|
|
16
|
Handwheel nut
|
A194 2H
|
|
|
|
|
17
|
Nameplate
|
Stainless steel
|
|
18
|
Pin
|
A182 F6a
|
|
Working temperature
|
-46
|
-60
|
-73
|
-101
|
-115
|
-196
|
