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API 3PC Flanged Trunnion Mounted Ball Valve

API 3PC Flanged Trunnion Mounted Ball Valve
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Description

The ball of API 3PC trunnion mounted ball valve is fixed, thus it does not move no matter how strong is the pressure. This flanged ball valve is often combined with floating valve seat, which will move to press the seal ring on the ball under the pressure of media, guaranteeing the sealing performance. Commonly, the upper shaft and lower shaft of the ball are equipped with bearings. With small operation torque, API 3PC trunnion mounted ball valve can bear high pressure and large diameter.

Performance

1. Sealing materials can be chosen based on media to increase sealing performance and wear resistance, reducing cost.
2. Our flanged ball valves are guaranteed within 18 months and enjoy lifelong technical service.
3. API 3PC trunnion mounted ball valves can be widely applied in such pipelines as tap water, sewage, construction, petroleum, chemical, food, medicine, textile, electric power, shipbuilding, metallurgy, energy systems, etc.

Advantages

1. KERUI has been awarded by ISO9001:2008 international system certification, API 6D certification, CE certification, etc.
2. API 3PC trunnion mounted ball valve is easy to open. It has excellent sealing performance, low friction between sealing surfaces and long service life. The body of this 3PC ball valve is cast in precision, thus it is good in performance. The surface is finished second time, thus it is smooth and bright. The bonnet is processed by numerical control machine.

Components

API 3PC trunnion mounted ball valve is mainly composed of valve body, bonnet, ball, valve stem, valve seat, sealing materials, etc.
No. Parts Materials No. Parts Materials
Carbon Steel Stainless Steel Low Temperature Steel Carbon Steel Stainless Steel Low Temperature Steel
1 Valve Body ASTM A105 A182 F304 A350 LF2 19 Grease Injection Valve ASTM A105 A182 F304 A350 LF2
2 Gasket Flexible Graphite + SS 20 Upper Bushing PTFE + CS PTFE+SS PTFE+SS
3 Bleeder Valve ASTM A105 A182 F304 A350 LF2 21 Valve Stem A182 F6a A182 F304 A182 F304
4 Bottom Cap ASTM A105 A182 F304 A350 LF2 22 Flat Bushing PTFE + CS PTFE+SS PTFE+SS
5 Bolt A193 B7 A193 B8 A320 L7 23 Yoke A216 WCB
6 Gasket Flexible Graphite + SS 24 Adapter Sleeve ANSI 1025
7 O-ring Fluororubber 25 Bolt A193 B7
8 Lower Bushing PTFE + CS PTFE + SS PTFE + SS 26 O-ring Fluororubber
9 Ball ASTM
A105+ENP 		A182 F304 A182 F304 27 O-ring Fluororubber
10 Flange Gasket Flexible Graphite + SS 28 Gasket Flexible Graphite + SS
11 O-ring Fluororubber 29 Upper Valve Seat ASTM A105 A182 F304 A350 LF2
12 Firewall Flexible Graphite 30 Locating Pin A182 F6a
13 Seal Ring PTFE, NYLON, PEEK, MOLON, PCTFE 31 Bolt A193 B7
14 Valve Seat ASTM
A105 + ENP 		A182 F304 A182 F304 32 Worm Screw and Worm Gear /
15 Spring Inconel600 33 Grease Injection Valve ASTM A105 A182 F304 A350 LF2
16 Bolt A193 B7 A193 B8 A320 L7
PS: 1) Sealing materials should be chosen according to the temperature and pressure of media.
2. Besides those materials listed above, we can use materials that customers require.
17 Nut A194 2H A194 8 A194 7
18 Bonnet ASTM A105 A182 F304 A350 LF2

Technical Parameters of API 3PC Trunnion Mounted Ball Valve


Handle Operation Worm Gear Operation Pneumatic Operation Electric Operation
A(G)TB1RF1 A(G)3TB1RF1 A(G)6TB1RF1 A(G)9TB1RF1
A(G)TB1BW1 A(G)6TB1BW1 A(G)6TB1BW1 A(G)9TB1BW1