- PTFE Lined Gate Valve
- Size Range: DN25-DN500
- Pressure: PN16
- Body Material: Carbon steel/Stainless steel
- Stem Material: WCB
- Features: The body is solid and high quality. It can be used in food, medicine, chemicals, environmental protection, water treatment, water supply and drainage, etc
Product advantages
1. Adopting precision casting process, the material performance of the valve body meets the national standards;
2. The valve body adopts the structure suitable for lining process requirements, and the valve body and inner parts in direct contact with the medium are all lined with fluorine plastic;
3.The seal is PTEF or other material combination, small friction coefficient, low opening and closing moment;
4. PTFE packing has good sealing performance, easy maintenance and replacement;
5. Elastic gate wedge can compensate the sealing surface deviation, with good sealing effect and zero leakage.
Parameters
Parameter Information:
1. Executive standard：
| Name | Design and manufacture | Face to face Length | Pressure Test | End Flange | |
| Reference standard | GB/T 12234 | GB/T 12221 | GB/T 13927 | HG/T 20592 | |
2. Material of Main Parts:
| Name | Body | Wedge | Stem | Packing | Gland |
| Material | WCB+FEP/CF8+FEP | WCB+FEP | WCB | PTFE | WCB/CF8 |
3. Dimensions：
| SIZE | |||||
| DN | NPS | L | ΦD | ΦD1 | n-Φd |
| 25 | 1'' | 160 | 115 | 85 | 4-14 |
| 32 | 1 1/4'' | 180 | 140 | 100 | 4-18 |
| 40 | 1 1/2'' | 240 | 150 | 110 | 4-18 |
| 50 | 2'' | 250 | 165 | 125 | 4-18 |
| 65 | 2 1/2'' | 265 | 185 | 145 | 8-18 |
| 80 | 3'' | 280 | 200 | 160 | 8-18 |
| 100 | 4'' | 300 | 220 | 180 | 8-18 |
| 125 | 5'' | 325 | 250 | 210 | 8-18 |
| 150 | 6'' | 350 | 285 | 240 | 8-22 |
| 200 | 8'' | 400 | 340 | 295 | 12-22 |
| 250 | 10'' | 450 | 405 | 355 | 12-26 |
| 300 | 12'' | 500 | 460 | 410 | 12-26 |
| 350 | 14'' | 550 | 520 | 470 | 16-26 |
| 400 | 16'' | 600 | 580 | 525 | 16-30 |
| 450 | 18'' | 650 | 640 | 585 | 20-30 |
| 500 | 20'' | 700 | 715 | 650 | 20-33 |
