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 font |
-60 font |
-73 font |
-101 font |
-115 font |
-196 font | |
