Cast Steel Trunnion Mounted Ball Valves
Cast Steel Trunnion Mounted Ball Valves
• Upstream sealing, Self relieving seat
• Double block and bleed
• Fire safe design, Anti-static device, Blow-out proof stem
• Injection Port for seat & stem, Drain and Vent Ports
• 2-P or 3-Pc split body, Bolted Body
• Double block and bleed
• Fire safe design, Anti-static device, Blow-out proof stem
• Injection Port for seat & stem, Drain and Vent Ports
• 2-P or 3-Pc split body, Bolted Body
Cast Steel Trunnion Mounted Ball Valves
• Design - API 6D/ASME B16.34
• Face to Face - ASME B16.10/API 6D
• End to End - ASME B16.10/API 6D
• BW End - ASME B16.25
• Test - API 598/BS 6755
• Fire Safe Design - API 607/API 6FA
• Special - NACE MR-01-75
• Face to Face - ASME B16.10/API 6D
• End to End - ASME B16.10/API 6D
• BW End - ASME B16.25
• Test - API 598/BS 6755
• Fire Safe Design - API 607/API 6FA
• Special - NACE MR-01-75
Cast Steel Trunnion Ball Valves Drawing
Material List of Cast Steel Trunnion Ball Valves
No.
|
Part Name
|
Carbon Steel
|
Stainless Steel
| |
1
|
Body
|
A216 WCB
|
A351 CF8
|
A351 CF8M
|
2
|
Bonnet
|
A216 WCB
|
A351 CF8
|
A351 CF8M
|
3
|
Ball
|
A105+ENP
|
A182 F304
|
A182 F304M
|
4
|
Anti-fire packing
|
Graphite
|
Graphite
|
Graphite
|
5
|
Seat
|
PTFE/NYLON/MOLON/PEEK/PPL
| ||
6
|
Seat support ring
|
A105+ENP
|
A182 F304
|
A182 F304M
|
7
|
O-ring
|
VITON
|
VITON
|
VITON
|
8
|
Spring
|
17-7PH
|
17-7PH
|
17-7PH
|
9
|
O-ring
|
VITON
|
VITON
|
VITON
|
10
|
Anti-fire gasket
|
SS+Graphite
|
SS+Graphite
|
SS+Graphite
|
11
|
Hexagon nut
|
A194 2H
|
A194 8
|
A194 8M
|
12
|
Sealant injection valve
|
Combined parts
|
Combined parts
|
Combined parts
|
13
|
Check valve
|
Combined parts
|
Combined parts
|
Combined parts
|
14
|
Air release valve
|
Combined parts
|
Combined parts
|
Combined parts
|
15
|
Anti-static device
|
Combined parts
|
Combined parts
|
Combined parts
|
16
|
Stud
|
A193 B7
|
A320 B8
|
A320 B8M
|
17
|
Flat key
|
ANSI 1905
|
ANSI 1045
|
ANSI 1045
|
18
|
Stem
|
A182 F6a
|
17-4PH
|
17-4PH
|
19
|
Sliding bearing
|
Steel+PTFE
|
Steel+PTFE
|
Steel+PTFE
|
20
|
Thrust bearing
|
PTFE
|
PTFE
|
PTFE
|
21
|
O-ring
|
VITON
|
VITON
|
VITON
|
22
|
O-ring
|
VITON
|
VITON
|
VITON
|
23
|
Anti-fire gasket
|
SS+Graphite
|
SS+Graphite
|
SS+Graphite
|
24
|
Seal gland
|
A105+ENP
|
A182 F304
|
A182 F316
|
25
|
Screw
|
A193 B7
|
A320 B8
|
A320 B8M
|
26
|
Packing
|
Graphite
|
Graphite
|
Graphite
|
27
|
Packing gland
|
A182 F6a
|
A182 F6a
|
A182 F6a
|
28
|
Lower cover
|
A105+ENP
|
A182 F304
|
A182 F304
|
29
|
Stud
|
A193 B7
|
A320 B8
|
A320 B8M
|
30
|
Hexagon nut
|
A1942H
|
A194 8
|
A194 8M
|
31
|
Drain valve
|
Combined parts
|
Combined parts
|
Combined parts
|
Remarks
• Body Material: WCB, LCB, LCC, CF8, CF8M, CF3, CF3M, MONEL etc. • Seat Material: PTFE, Nylon, PEEK, PPL, Molon, Develon, Delrin, RPTFE
• O-ring Seals: NBR, Viton A, Viton AED, EPDM, Viton B
• Stem/Ball/Seat Ring: 304, A105+ENP, 17-4PH, 4140+ENP, 316, 304L, 316L, LF2+ENP, 13Cr/Hard Cr, F51
• End Connection - Flange Ends/Butt Welding Ends
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