Professional Industrial Valves Manufacturer
Check valves serve to prevent the backflow of medium in the piping system for protection of important equipments, widely used in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, fire protection as well as chemical and energy industry.
◔ Material:Ductile Iron EN-GJS-450-10
Valve body, bonnet, disc are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.
◔ Fusion bonded epoxy coating
Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.
◔ Small hydraulic friction loss with reasonable structure design
• Connection Ends: BS EN 1092 PN10/PN16, AS 2129 TABLE E, JIS B2212 10K, BS 10 TABLE D/E
• Working Pressure: PN10/PN16
• Temperature Range: 0℃- 80℃
• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Part No. | Part | Standard Specification | Options |
1 | Valve Body | EN-GJS-450-10 |
|
2 | Bolt | Carbon Steel Zinc Plated | SS304, SS316 |
3 | Washer | Carbon Steel Zinc Plated | SS304, SS316 |
4 | Disc | Carbon Steel + EPDM | Carbon Steel+NBR |
5 | Bonnet | EN-GJS-450-10 |
|
6 | Bonnet Gasket | EPDM |
|
7 | Plug | Malleable Iron Galvanized | Bronze ASTM B584 |
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
DN | PN | Dimensions(mm) | |||||||
Inch | mm |
| L | D | D1 | d | C | T | n-φL |
2" | 50 | 10/16 | 203 | 165 | 125 | 99 | 19 | 3 | 4-Φ19 |
2.5" | 65 | 10/16 | 216 | 185 | 145 | 118 | 19 | 3 | 4-Φ19 |
3" | 80 | 10/16 | 241 | 200 | 160 | 132 | 19 | 3 | 8-Φ19 |
4" | 100 | 10/16 | 292 | 220 | 180 | 156 | 19 | 3 | 8-Φ19 |
6" | 150 | 10/16 | 356 | 285 | 240 | 211 | 19 | 3 | 8-Φ23 |
8" | 200 | 10 | 495 | 340 | 295 | 266 | 20 | 3 | 8-Φ23 |
|
| 16 | 495 | 340 | 295 | 266 | 20 | 3 | 12-Φ23 |
10" | 250 | 10 | 622 | 405 | 350 | 319 | 22 | 3 | 12-Φ23 |
|
| 16 | 622 | 405 | 355 | 319 | 22 | 3 | 12-Φ28 |
12" | 300 | 10 | 698 | 460 | 405 | 370 | 24.5 | 4 | 12-Φ23 |
|
| 16 | 698 | 460 | 410 | 370 | 24.5 | 4 | 12-Φ28 |
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