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.
Water supply system, water treatment, sewage disposal, food processing, fire protection system, natural gas, liquefied gas system etc.
| 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 |