Descriptions
China Forged Steel Trunnion Ball ValveManufacturer, Trunnion Mounted, Ball Valve, 3 Pc Body
China Forged Steel Trunnion Ball ValveManufacturer, Trunnion Mounted, Ball Valve, 3 Pc Body
Forged Steel Trunnion Mounted Ball Valves Features
• 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
• 3-Pc split body, Bolted Body
• 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
• 3-Pc split body, Bolted Body
Forged Steel Trunnion Mounted Ball Valves Drawings
Forged Steel Trunnion Mounted Ball Valves Material List
No.
|
Part Name
|
Carbon Steel
|
Stainless Steel
|
Stainless Steel
|
1
|
Body
|
ASTM A105
|
A182 F304
|
A182 F316
|
2
|
Ball
|
A105+ENP
|
A182 F304
|
A182 F316
|
3
|
Stud
|
A193 B7
|
A320 B8
|
A320 B8M
|
4
|
Anti-fire packing
|
Graphite
|
Graphite
|
Graphite
|
5
|
Seat
|
PTFE/NYLON/PEEK/PPL/Delrin
| ||
6
|
Support ring
|
A105+ENP
|
A182 F304
|
A182 F316
|
7
|
O-ring
|
VITON
|
VITON
|
VITON
|
8
|
Spring
|
17-7PH
|
17-7PH
|
17-7PH
|
9
|
O-ring
|
VITON
|
VITON
|
VITON
|
10
|
Anti-fire gasket
|
S.S+Graphite
|
SS+Graphite
|
SS+Graphite
|
11
|
Bonnet
|
ASTM A105
|
A182 F304
|
A182 F316
|
12
|
Anti-static device
|
Combined parts
|
Combined parts
|
Combined parts
|
13
|
Stem
|
A182 F6a
|
A182 F304
|
A182 F316
|
14
|
Flat Key
|
ANSI 1045
|
ANSI 1045
|
ANSI 1045
|
15
|
Thrust bearing
|
PTFE
|
PTFE
|
PTFE
|
16
|
Sliding bearing
|
Steel+PTFE
|
Steel+PTFE
|
Steel+PTFE
|
17
|
O-ring
|
VITON
|
VTION
|
VTION
|
18
|
O-ring
|
VITON
|
VITON
|
VITON
|
19
|
Anti-fire gasket
|
S.S+Graphite
|
SS+Graphite
|
SS+Graphite
|
20
|
Seal gland
|
A105+ENP
|
A182 F304
|
A182 F316
|
21
|
Cap screw
|
A193 B7
|
A320 B8
|
A320 B8M
|
22
|
Packing
|
Graphite
|
Graphite
|
Graphite
|
23
|
Connection plate
|
ASTM A105
|
A182 F304
|
A182 F316
|
24
| Screw |
A193 B7
|
A320 B8
|
A320 B8M
|
25
|
Pin
|
ANSI 1035
|
ANSI 1035
|
ANSI 1035
|
26
|
Thrust bearing
|
PTFE
|
PTFE
|
PTFE
|
27
|
Lower cover
|
A105+ENP
|
A182 F304
|
A182 F316
|
28
|
Stud
|
A193 B7
|
A320 B8
|
A320 B8M
|
29
|
Hexagon nut
|
A194 2H
|
A194 8
|
A194 8M
|
30
|
Drainage valve
|
Combined parts
|
Combined parts
|
Combined parts
|
31
|
Air release valve
|
Combined parts
|
Combined parts
|
Combined parts
|
32
|
Sealant inject valve
|
Combined parts
|
Combined parts
|
Combined parts
|
33
|
Check valve
|
Combined parts
|
Combined parts
|
A194 8M
|
34
|
Hexagon nut
|
A194 2H
|
A194 8
|
A194 8M
|
Forged Steel Trunnion Mounted Ball Valves Material List
No.
|
Part Name
|
Carbon Steel
| ||
1
|
Body
|
ASTM A105
|
A182 F304
|
A182 F316
|
2
|
Bonnet
|
ASTM A105
|
A182 F304
|
A182 F316
|
3
|
Ball
|
A105+ENP
|
A182 F304
|
A182 F316
|
4
|
Stem
|
A182 F6a
|
17-4PH
|
17-4PH
|
5
|
Seat
|
PTFE/NYLON/PEEK/PPL/Delrin
| ||
6
|
Seat ring
|
A105+ENP
|
A182 F304
|
A182 F316
|
7
|
Bearing holder
|
A105+ENP
|
A182 F304
|
A182 F316
|
8
|
Seal gland
|
A105+ENP
|
A182 F304
|
A182 F316
|
9
|
Packing
|
Graphite
|
Graphite
|
Graphite
|
10
|
Connection plate
|
ASTM A105
|
A182 F304
|
A182 F316
|
11
|
Pin
|
ANSI 1035
|
ANSI 1035
|
ANSI 1035
|
12
|
Pin
|
ANSI 1035
|
ANSI 1035
|
ANSI 1035
|
13
|
Flat key
|
ANSI 1045
|
ANSI 1045
|
ANSI 1045
|
14
|
Thrust bearing
|
PTFE
|
PTFE
|
PTFE
|
15
|
Thrust bearing
|
PTFE
|
PTFE
|
PTFE
|
16
|
Sliding bearing
|
Steel+PTFE
|
Steel+PTFE
|
Steel+PTFE
|
17
|
Spring
|
17-7PH
|
17-7PH
|
17-7PH
|
18
|
O-ring
|
VITON
|
VITON
|
VITON
|
19
|
O-ring
|
VITON
|
VITON
|
VITON
|
20
|
O-ring
|
VITON
|
VITON
|
VITON
|
21
|
O-ring
|
VITON
|
VITON
|
VITON
|
22
|
Anti-fire packing
|
Graphite
|
Graphite
|
Graphite
|
23
|
Stud
|
A193 B7
|
A320 B8
|
A320 B8M
|
24
|
Hexagon nut
|
A194 2H
|
A194 8
|
A194 8M
|
25
|
Screw
|
A193 B7
|
A320 B8
|
A320 B8M
|
26
|
Screw
|
A193 B7
|
A320 B8
|
A320 B8M
|
27
|
Injection valve
|
Combined parts
|
Combined parts
|
Combined parts
|
28
|
Injection valve
|
Combined parts
|
Combined parts
|
Combined parts
|
29
|
Check valve
|
Combined parts
|
Combined parts
|
Combined parts
|
30
|
Air release valve
|
Combined parts
|
Combined parts
|
Combined parts
|
31
|
Drain valve
|
Combined parts
|
Combined parts
|
Combined parts
|
32
|
O-ring
|
Combined parts
|
Combined parts
|
Combined parts
|
33
|
Anti-fire gasket
|
ASTM A105
|
A182 F304
|
A182 F316
|
Remarks:
1. Select different materials for different working temperature and media.
2. Trim materials and recommended service coverage referred to Appendix.
1. Select different materials for different working temperature and media.
2. Trim materials and recommended service coverage referred to Appendix.
Forged Steel Trunnion Mounted Ball Valves Standard
• 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
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