The GOST Flanged Fully Welded Ball Valve with Reduced Bore made in China is constructed with carbonized PTFE sealing rings and disc springs, which provide excellent adaptability to variations in pressure and temperature. This design ensures zero leakage within the specified pressure and temperature ranges.
1. The valve body is welded from steel pipes.
2. The ball pad is made of reinforced polytetrafluoroethylene.
3. The valve stem adopts explosion-proof design.
4. Temperature range:- 60-200℃
5. Drive mode: manual or wormgear
Body: ST37.0/A106/Steel 20
Ball: SS304
Stem: 2Cr13
Stem seal: FPM or VITON
Ball seal: RPTFE (PTFE+C)
The stem height and face to face dimension according to client's
requirements.
Oil and gas pipelines, liquefied natural gas (LNG) pipelines, oil and gas
field equipment
Control system for corrosive liquids and gas fluids
High temperature and high-pressure steam pipelines, boiler water
pipelines
High pressure molten metal fluid control system
Fluid Control of Offshore Platforms and Ship Pipeline Systems
Fluid control of industrial wastewater and sewage pipelines
When ordering, please provide detail of valve model, nominal pressure, nominal diameter, working pressure,working temperature,max flow, media, the way to install.
connection standard of valve and pipeline.
| 1 | Body | AISI 20 | 6.2 | Hexagon Screw | 8.8 |
| 2 | End Socket | AISI 20 | 6.3 | O-Ring | Viton |
| 3 | Ball | 304 | 6.4 | Oilless Bearing | 304+PTFE |
| 4.1 | Support Ring | A105 | 6.5 | Drain Plug | 20Cr13 |
| 4.2 | Seat | PTFE-C | 7.1 | Branch Pipe | AISI 20 |
| 4.3 | O-Ring | Viton | 7.2 | Upper Gland | A105 |
| 4.5 | Spring | 17-7PH | 7.3 | O-Ring | Viton |
| 5.1 | Stem | 20Cr13 | 7.4 | Gasket | RPTFE |
| 5.2 | Oilless Bearing | 304+PTFE | 7.5 | Packing | 20Cr13 |
| 5.3 | Thrust Gasket | PTFE | 7.5 | Hexagon Screw | 8.8 |
| 5.4 | O-Ring | Viton | 7.6 | Clamp Spring | 65Mn |
| 5.5 | O-Ring | Viton | 41 | Actuator | |
| 5.6 | Flat Key | AISI 1045 | 42 | Bolt | 8.8 |
| 6.1 | Base | A105 | 43 | Nut | 8 |
Address
Building 2, No. 4228, Binhai 3rd Road, Xinghai Street, Longwan District, Wenzhou City, Zhejiang Province, China
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