薄型逆止閥
Features:
- Twin plate wafer design
- Simplicity installation.
- Compact in structure and light in weight design
- Quick close operation
- Eliminating water hammer effect by quick-close action.
Application:
- Suitable use for fire protection, piping and pumping system
- Suitable for mounting in vertical and horizontal position
- Mounting between flanges
- Operating Temperature : -20°C - 120°C
- Medium : Liquids
Size | A | B | C | D | E |
2" | 105 | 54 | 65 | 48 | 74.2 |
2.1/2" | 124 | 54 | 78 | 57 | 84 |
3" | 137 | 57.2 | 92 | 70 | 94 |
4" | 175 | 63.5 | 118 | 92 | 128.5 |
5" | 197 | 70 | 143 | 108 | 142.1 |
6" | 222 | 76.2 | 168.3 | 131.8 | 165.1 |
8" | 279 | 95.3 | 219 | 174.6 | 212.7 |
10" | 340 | 108 | 273 | 225.4 | 266.7 |
12" | 410 | 143 | 324 | 269.9 | 317.5 |
Parts | Material | Specification |
Body | Cast Iron | ASTM A126-B |
Body Seat | EPDM | |
Plate | Stainless Steel | ASTM A351.CF8 |
Hinger Pin | Stainless Steel | ASTM A276-316 |
Packing | Buna N | NBR |
Washer | PTFE | |
Sping | Stainless Steel | ASTM A276-316 |
Washer | PTFE | |
Hinger Pin | Stainless Steel | ASTM A276-316 |
Plug | Mild Steel | ASTM A108-80 |