Description
| Statement | |
|---|---|
| Gate valves serve to cut the medium flow in the piping system, 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. |
| Features | |
|---|---|
| Material | Ductile Iron ASTM A536, 65-45-12. Body, bonnet, wedge, handwheel and operating nut are all produced in ductile iron material for high strength & corrosion resistance. |
| Triple O-ring Stem Seals | The lower O-ring isolates the stem thrust collar bearing area from the waterway. The upper two O-rings can easily be replaced in the line while under pressure. |
| Stainless Steel Stem, Brass Thrust Collar & Bronze Wedge Nut | Proven MEIDE design with superior strength and abrasion resistance. |
| Fusion Bonded Epoxy Coating | Applied per ANSI/AWWA C550 for both interior and exterior surface, ensuring reliable corrosion resistance. |
| Long Service Life | Tested with 1,000 open/close cycles under hydrostatic pressure without failure. |
| Material Specification (Z45X) | ||
|---|---|---|
| Connection Ends | Flange to BS EN 1092-2:199 | |
| 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 | Resilient Wedge Disc | EN-GJS-450-10 + EPDM | – |
| 3 | Stem | SS431 | SS304, SS316, Al-bronze |
| 4 | Bonnet Gasket | EPDM | NBR |
| 5 | Bonnet | EN-GJS-450-10 | – |
| 6 | O-Ring | NBR | EPDM |
| 7 | Gland | EN-GJS-450-10 | – |
| 8 | Handwheel | EN-GJS-450-10 | Pressed Steel |
| 9 | Bolt | Carbon Steel Zinc Plated | SS304, SS316 |
| 10 | Flat Washer | Carbon Steel Zinc Plated | SS304, SS316 |
| 11 | Ring Wiper | EPDM | NBR |
| 12 | O-Ring | NBR | EPDM |
| 13 | Nut | Carbon Steel Zinc Plated | SS304, SS316 |
| 14 | Axis Guide | Brass Hpb59-1 | – |
| 15 | Washer | Brass Hpb59-1 | – |
| 16 | O-Ring | NBR | EPDM |
| 17 | Nut | Carbon Steel Zinc Plated | SS304, SS316 |
| 18 | Wedge Nut | Brass Hpb59-1 | Bronze ZQSn5-5-5 |
| DN (Inch) | mm | PN | L | H | D | D1 | d | C | T | n-φL |
|---|---|---|---|---|---|---|---|---|---|---|
| 2″ | 50 | 10/16 | 178 | 254 | 165 | 125 | 99 | 19 | 3 | 4-Φ19 |
| 2.5″ | 65 | 10/16 | 190 | 275 | 185 | 145 | 118 | 19 | 3 | 4-Φ19 |
| 3″ | 80 | 10/16 | 203 | 301 | 200 | 160 | 132 | 19 | 3 | 8-Φ19 |
| 4″ | 100 | 10/16 | 229 | 355 | 220 | 180 | 156 | 19 | 3 | 8-Φ19 |
| 5″ | 125 | 10/16 | 254 | 393 | 250 | 210 | 184 | 19 | 3 | 8-Φ19 |
| 6″ | 150 | 10/16 | 267 | 448 | 285 | 240 | 211 | 19 | 3 | 8-Φ23 |
| 8″ | 200 | 10/16 | 292 | 548 | 340 | 295 | 266 | 20 | 3 | 8-Φ23 / 12-Φ23 |
| 10″ | 250 | 10/16 | 330 | 626 | 405 | 350 / 355 | 319 | 22 | 3 | 12-Φ23 / 12-Φ28 |
| 12″ | 300 | 10/16 | 356 | 722 | 460 | 400 / 410 | 370 | 24.5 | 4 | 12-Φ23 / 12-Φ28 |
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