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REDSTAR Top entry trunnion mounted ball valve with gear worm is widely using petroleum ,natural gas pipeline and electric power,food ,paper etc conditions.
Shortly disassemble ,fastly maintain.
Top entry ball valve have floating and trunnion structure.
Trunnion ball valve can turn on and turn off by ball disc. seal insert into seat , metal seat have install spring.
When seal surface breakdown , can auto-release pressure.
Suit for water, acid, natural gas and trouble medium . widely range.
Top Entry Trunnion Mounted Ball Valve With Gear Worm
Applicable Standard:
Design&Manufacture: API6D
Flange Dimension: ASME B.16.5
Face to Face Dimension:ASME B.16.10
Butt Welding Dimension: ASME B.16.25
Test&Inspection: API 598
Design Description:
Full born Design
Bolted Bonnet, Top Entry type
Avaiable with GO operator
Material of Parts:
| No. | Part Name | Carbon Steel |
| 1 | Body | A216-WCB |
| 2 | Ball | A105+ENP |
| 3 | Stem | A182 F6a |
| 4 | Seat | PTFE |
| 5 | Seat Ring | A105+ENP |
| 6 | O-Ring | Viton |
| 7 | Packing | PTFE |
| 8 | Gasket | PTFE |
| 9 | Bearing | PTFE+304 |
| 10 | Spring | INCONEL-X750 |
| 11 | Bolt | A193 B7 |
| 12 | Nut | A194 2H |
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