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Help CenterWafer/lug Butterfly Valve With Ptfe Disc
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TWS-FD wafer/lug Butterfly Valve with ptfe disc
Product Standard:
Flange connection standard: according to ANSI B16.1, EN 1092, AS2129
Upper flange standard: can meet ISO 5211
Face to face standard: EN558-1
Brief Introduction:
Butterfly Valve is mainly consisted of body, stem, disc, seat and driver(lever, gearbox, pneumatic and electric Actuator) and so on.
On off and controlling flow of valve are made by turning stem
Characteristic of Product:
1. Small in size&light in weight and easy maintenance. It can be mounted wherever needed.
2. Simple, compact structure, quick 90 degree on-off operation
3. Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4. Flow curve tending to straight-line. Excellent regulation performance.
5. Various kinds of materials, applicable to different media.
6. Strong wash and brush resistance, and can fit to bad working condition.
7. Center plate structure, small torque of open and close.
8. Long service life. Standing the test of ten thousands opening and closing opration.
9. Can be used in cutting off and regulating media.
Typical application:
1. Water works and water resource project
2. Enviroment Protection
3. Public Facilities
4. Power and Public Utilities
5. Building industry
6. Petroleum/ Chemical
7. Steel. Metallurgy
8. Paper make industry
9. Food/Beverage etc
Material:
| No. | Name | Material | No. | Name | Material |
| 1 | Body | WCB | 10 | Seat | PTFE |
| 2 | Lower washer | 35 ASTM A570 GR33 | 11 | Upper Clamp Ring | H62 |
| 3 | Aerosil washer | SI | 12 | Aerosil Washer | SI |
| 4 | Checking ring | 65Mn | 13 | Upper water | 35 ANSI 1035 |
| 5 | Shim | 35 ANSI 1035 | 14 | Bushing | H62 |
| 6 | Lower Clamp Ring | H62 | 15 | Aerosil Bar | SI |
| 7 | Disc | WCB+F4 CF8+PTFE | 16 | Spacer Bar | PTFE |
| 8 | Stem | 2Cr13 | 17 | Screw | 35ANSI 1035 |
| 9 | O-Ring | FPM | -- | -- | -- |
| Series | FD | ||
| DN Norminal diamer | DN25-1200(1''-48'') | DN25-600(1''-24'') | |
| PN Norminal pressure | 1.0MPa(150PSI) | 1.6MPa(200PSI) | |
| Testing pressure | Shell | 1.5MPa(225PSI) | 2.4MPa(300PSI) |
| Sealing | 1.1MPa(165PSI) | 1.76MPa(220PSI) | |
| Working temperature | -45-+150 | ||
| Suitable media | Fresh water, Sewage, Sea water, Air, Vapour, Food, Medicine, Oils, Acids, Alkalis, Salts etc. | ||
Note: Series FD DN350-DN600 in a special order position.
0--bare shaft 1----hand lever
1.One piece wafer butterfly valve in one poly bag;
2.Some pieces butterfly valves in one wooden carton;
3.Then container.
Ways of shipping: by air, by sea, by express, by train, by truck etc.
We are a manufacturer specialised in valves producing since 1997, which located in Tianjin, next to Xingang port, Tianjin, China. The main products include centerlined butterfly valve, flanged butterfly valve, mental butterfly valve, check valve, ball valve, gate valve etc. They are widely used in water supply and drainage, electric power, petrol chemical industry etc.
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