WZ Series Metal seated NRS gate valve
Description:
WZ Series Metal seated NRS gate valve use a ductile iron gate that houses bronze rings to ensure a watertight seal. The non-rising stem design ensures the stem thread is adequately lubricated by the water passing through the valve.
Application:
Water supply system, water treatment, sewage disposal, food processing, fire protection system, natural gas, liquefied gas system etc.
Dimensions:
| Type | DN(mm) | L | D | D1 | b | Z-Φd | H | D0 | Weight (kg) |
| NRS | 40 | 165 | 150 | 110 | 18 | 4-Φ19 | 257 | 140 | 10/11 |
| 50 | 178 | 165 | 125 | 20 | 4-Φ19 | 290 | 160 | 16/17 | |
| 65 | 190 | 185 | 145 | 20 | 4-Φ19 | 315 | 160 | 20/21 | |
| 80 | 203 | 200 | 160 | 22 | 8-Φ19 | 362 | 200 | 26/28 | |
| 100 | 229 | 220 | 180 | 24 | 8-Φ19 | 397 | 200 | 33/35 | |
| 125 | 254 | 250 | 210 | 26 | 8-Φ19 | 447 | 240 | 46/49 | |
| 150 | 267 | 285 | 240 | 26 | 8-Φ23 | 500 | 240 | 65/70 | |
| 200 | 292 | 340 | 295 | 26/30 | 8-Φ23/12-Φ23 | 597 | 320 | 101/108 | |
| 250 | 330 | 395/405 | 350/355 | 28/32 | 12-Φ23/12-Φ28 | 735 | 320 | 163/188 | |
| 300 | 356 | 445/460 | 400/410 | 28/32 | 12-Φ23/12-Φ28 | 840 | 400 | 226/260 | |
| 350 | 381 | 505/520 | 460/470 | 30/36 | 16-Φ23/16-Φ28 | 925 | 400 | 290/334 | |
| 400 | 406 | 565/580 | 515/525 | 32/38 | 16-Φ28/16-Φ31 | 1087 | 500 | 410/472 | |
| 450 | 432 | 615/640 | 565/585 | 32/40 | 20-Φ28/20-Φ31 | 1175 | 500 | 620/710 | |
| 500 | 457 | 670/715 | 620/650 | 34/42 | 20-Φ28/20-Φ34 | 1440 | 500 | 760/875 | |
| 600 | 508 | 780/840 | 725/770 | 36/48 | 20-Φ31/20-Φ37 | 1585 | 500 | 1000/1150 |
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