Size Range: DN50-DN1200
Material: Stainless Steel
Connection Options:Flanged, Threaded (NPT, BSP), Butt Weld, Socket Weld
Working Pressure:Class 150 to Class 1500 (up to 2,500 psi / 172 bar)
Working Temperature:-29°C to 425°C
Sealing Options: Resilient Seat, Graphite, PTFE
Manufacturing Method:Cast, Forged, Machined
Applicable Medium:Water, Oil, Gas, Steam, Chemical Fluids
A resilient seated gate valve is a soft-seated isolation valve designed for tight shut-off and zero leakage in water and wastewater pipelines. Featuring a rubber-coated wedge, it provides excellent sealing, corrosion resistance, and smooth operation, making it ideal for municipal water supply, irrigation, fire protection, and industrial water systems.
| Item | Standard |
|---|---|
| Design and Manufacture | GB 12234 |
| Structure Length | GB 12221 |
| Pressure-Temperature Rating | GB/T 12224 |
| Connection Flange | JB/T 79.1–2–94, GB 9113–2000, HG 20592–20635 |
| Test and Inspection | JB/T 9092–1999, GB 13927–2005 |
| No. | Project Name | PN16 | PN25 | PN40 | PN64 | PN100 | PN160 |
|---|---|---|---|---|---|---|---|
| 1 | Nominal Pressure (MPa) | 1.6 | 2.5 | 4.0 | 6.4 | 10 | 16 |
| 2 | Shell Test Pressure (MPa) | 2.4 | 3.75 | 6.0 | 9.6 | 16 | 24 |
| 3 | High-Pressure Seal Test Pressure (MPa) | 1.76 | 2.75 | 4.4 | 7.04 | 11 | 17.6 |
| 4 | Max Working Pressure under Normal Temp. | ≤1.6 | ≤2.5 | ≤4.0 | ≤6.4 | ≤10 | ≤16 |
| Part Name | Material Name | Part Name | Material Name |
|---|---|---|---|
| Body | WCB / 15CrMo / 20CrMoV | Valve Cover | WCB / 15CrMo / 20CrMoV |
| Valve Disc | WCB / 15CrMo / 20CrMoV | Sealing Face | 20Cr13 / STL |
| Stem | 20Cr13 / 35CrMoV | Gasket | 304 Soft Graphite / Flexible Graphite |
| Bolt | 35CrMoA | Nut | 30CrMo |
| Applicable Temp | –29°C ~ 425°C / –29°C ~ 540°C / –29°C ~ 560°C | Suitable Medium | Water, Steam, Oil, etc. |
| DN (mm) | L (mm) | D (mm) | D1 (mm) | D2 (mm) | b–f (mm) | Z–φd | H (mm) | D₀ (mm) | Weight (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|
| PN 1.0 MPa | ||||||||||
| 15 | 130 | 95 | 65 | 46 | 14–2 | 4–φ14 | 160 | 100 | 5 | |
| 20 | 150 | 105 | 75 | 56 | 16–2 | 4–φ14 | 165 | 100 | 8 | |
| 25 | 160 | 115 | 85 | 65 | 16–2 | 4–φ14 | 200 | 125 | 11 | |
| 32 | 180 | 135 | 100 | 78 | 18–2 | 4–φ18 | 240 | 125 | 13 | |
| 40 | 200 | 145 | 110 | 85 | 18–2 | 4–φ18 | 245 | 135 | 9.5 | |
| 50 | 180 | 165 | 125 | 99 | 20–2 | 4–φ18 | 286 | 180 | 14 | |
| 65 | 220 | 185 | 145 | 118 | 20–2 | 4–φ18 | 320 | 180 | 31 | |
| 80 | 230 | 200 | 160 | 132 | 22–2 | 8–φ18 | 373 | 200 | 40 | |
| 100 | 230 | 220 | 180 | 156 | 22–2 | 8–φ18 | 428 | 200 | 55 | |
| 125 | 255 | 250 | 210 | 184 | 22–2 | 8–φ18 | 513 | 240 | 95 | |
| 150 | 280 | 285 | 240 | 211 | 24–2 | 8–φ22 | 580 | 240 | 140 | |
| 200 | 330 | 340 | 295 | 266 | 24–2 | 8–φ22 | 792 | 320 | 145 | |
| 250 | 380 | 395 | 350 | 319 | 26–2 | 12–φ22 | 897 | 320 | 230 | |
| 300 | 420 | 445 | 400 | 370 | 26–2 | 12–φ22 | 1032 | 400 | 330 | |
| 350 | 450 | 505 | 460 | 429 | 26–2 | 16–φ22 | 1170 | 400 | 460 | |
| 400 | 480 | 565 | 515 | 480 | 28–2 | 16–φ22 | 1330 | 500 | 580 | |
| 450 | 510 | 615 | 565 | 530 | 28–2 | 20–φ22 | 1650 | 500 | 680 | |
| 500 | 540 | 670 | 620 | 582 | 28–2 | 20–φ26 | 1650 | 500 | 830 | |
| 600 | 600 | 780 | 725 | 682 | 34–2 | 20–φ30 | 1980 | 700 | 1100 | |
| 700 | 680 | 895 | 840 | 794 | 34–5 | 24–φ30 | 2120 | 700 | 1200 | |
| 800 | 730 | 1015 | 950 | 901 | 36–5 | 24–φ33 | 2420 | 800 | 2090 | |
| 900 | 800 | 1115 | 1050 | 1001 | 38–5 | 28–φ33 | 2750 | 800 | 3100 | |
| 1000 | 850 | 1230 | 1160 | 1112 | 38–5 | 28–φ36 | 3130 | 900 | 4050 | |
| DN (mm) | L (mm) | D (mm) | D1 (mm) | D2 (mm) | b–f (mm) | Z–φd | H (mm) | D₀ (mm) | Weight (kg) | |
| PN 1.6 Mpa | ||||||||||
| 15 | 130 | 95 | 65 | 45 | 14–2 | 4–φ14 | 170 | 140 | 5 | |
| 20 | 150 | 105 | 75 | 55 | 14–2 | 4–φ14 | 205 | 160 | 8 | |
| 25 | 160 | 115 | 85 | 65 | 14–2 | 4–φ14 | 270 | 160 | 12 | |
| 32 | 180 | 135 | 100 | 78 | 16–2 | 4–φ18 | 310 | 200 | 19 | |
| 40 | 200 | 145 | 110 | 85 | 16–3 | 4–φ18 | 310 | 200 | 26.5 | |
| 50 | 250 | 160 | 125 | 100 | 16–3 | 4–φ18 | 358 | 240 | 29 | |
| 65 | 265 | 180 | 145 | 120 | 18–3 | 8–φ18 | 373 | 240 | 36 | |
| 80 | 280 | 195 | 160 | 135 | 20–3 | 8–φ18 | 435 | 280 | 43 | |
| 100 | 300 | 215 | 180 | 155 | 20–3 | 8–φ18 | 500 | 300 | 63 | |
| 125 | 325 | 245 | 210 | 185 | 22–3 | 8–φ22 | 600 | 300 | 105 | |
| 150 | 350 | 280 | 240 | 210 | 24–3 | 8–φ23 | 674 | 360 | 134 | |
| 200 | 400 | 335 | 295 | 265 | 26–3 | 12–φ23 | 795 | 400 | 192 | |
| 250 | 450 | 405 | 355 | 320 | 30–3 | 12–φ25 | 980 | 500 | 270 | |
| 300 | 500 | 460 | 410 | 375 | 30–4 | 12–φ25 | 1145 | 580 | 379 | |
| 350 | 550 | 520 | 470 | 435 | 34–4 | 16–φ25 | 1280 | 640 | 490 | |
| 400 | 600 | 580 | 525 | 485 | 36–4 | 16–φ30 | 1420 | 640 | 540 | |
| 450 | 650 | 640 | 585 | 545 | 40–4 | 20–φ30 | 1541 | 720 | 870 | |
| 500 | 700 | 705 | 650 | 608 | 44–4 | 20–φ33 | 1673 | 720 | 1100 | |
| 600 | 800 | 840 | 770 | 718 | 48–5 | 20–φ36 | 1874 | 850 | 1570 | |
| 700 | 900 | 910 | 840 | 788 | 50–5 | 24–φ39 | 2083 | 800 | 1870 | |
| 800 | 1000 | 1020 | 950 | 898 | 52–5 | 24–φ41 | 2350 | 900 | 2570 | |
| 900 | 1100 | 1120 | 1050 | 998 | 54–5 | 28–φ41 | 2730 | 1000 | 3850 | |
| 1000 | 1200 | 1265 | 1170 | 1110 | 56–5 | 28–φ42 | 3245 | 1000 | 4560 | |
| DN (mm) | L | D | D1 | D2 | b–f | Z–φd | H | D₀ | Weight (kg) | |
| PN 2.5 MPa | ||||||||||
| 15 | 130 | 95 | 65 | 45 | 16–2 | 4–φ14 | 170 | 120 | 5.5 | |
| 20 | 150 | 105 | 75 | 55 | 16–2 | 4–φ14 | 190 | 140 | 7 | |
| 25 | 160 | 115 | 85 | 65 | 16–2 | 4–φ14 | 205 | 160 | 11 | |
| 32 | 180 | 135 | 100 | 78 | 18–2 | 4–φ18 | 270 | 170 | 14 | |
| 40 | 200 | 145 | 110 | 85 | 18–3 | 4–φ18 | 310 | 200 | 20 | |
| 50 | 250 | 160 | 125 | 100 | 20–3 | 4–φ18 | 358 | 240 | 34 | |
| 65 | 280 | 180 | 145 | 120 | 20–3 | 8–φ18 | 373 | 240 | 36 | |
| 80 | 310 | 195 | 160 | 135 | 22–3 | 8–φ18 | 420 | 280 | 50 | |
| 100 | 350 | 230 | 190 | 160 | 24–3 | 8–φ23 | 480 | 300 | 69 | |
| 125 | 400 | 270 | 220 | 188 | 26–3 | 8–φ25 | 614 | 360 | 110 | |
| 150 | 350 | 300 | 250 | 218 | 30–3 | 8–φ25 | 674 | 360 | 141 | |
| 200 | 400 | 375 | 320 | 282 | 36–3 | 12–φ30 | 811 | 450 | 192 | |
| 250 | 500 | 425 | 370 | 335 | 40–4 | 12–φ30 | 990 | 450 | 207 | |
| 300 | 580 | 485 | 430 | 390 | 44–4 | 16–φ30 | 1145 | 580 | 350 | |
| 350 | 600 | 550 | 490 | 448 | 44–4 | 16–φ34 | 1280 | 640 | 460 | |
| 400 | 650 | 610 | 550 | 505 | 50–4 | 16–φ34 | 1452 | 720 | 650 | |
| 450 | 700 | 660 | 600 | 565 | 50–4 | 20–φ34 | 1541 | 720 | 910 | |
| 500 | 800 | 730 | 670 | 618 | 56–5 | 20–φ41 | 1676 | 720 | 1160 | |
| 600 | 900 | 840 | 770 | 718 | 56–5 | 20–φ41 | 1874 | 800 | 1650 | |
| 700 | 1000 | 975 | 875 | 815 | 62–5 | 24–φ48 | 2083 | 900 | 1980 | |
| 800 | 1100 | 1075 | 980 | 905 | 62–5 | 24–φ48 | 2400 | 950 | 2740 | |
| 900 | 1200 | 1190 | 1090 | 1008 | 66–5 | 28–φ54 | 2950 | 1000 | 3900 | |
| 1000 | 1305 | 1305 | 1210 | 1140 | 68–5 | 28–φ58 | 3245 | 1000 | 4850 | |
| DN (mm) | L | D | D1 | D2 | D6 | b–f | f1 | Z–φd | H | Weight (kg) |
| PN 4.0 MPa | ||||||||||
| 15 | 130 | 95 | 65 | 45 | 40 | 16–2 | 4 | 4–φ14 | 135 | 6 |
| 20 | 150 | 105 | 75 | 55 | 51 | 16–2 | 4 | 4–φ14 | 190 | 10 |
| 25 | 160 | 115 | 85 | 65 | 58 | 16–2 | 4 | 4–φ14 | 205 | 12 |
| 32 | 180 | 135 | 100 | 78 | 66 | 18–2 | 4 | 4–φ18 | 270 | 15 |
| 40 | 200 | 145 | 110 | 85 | 76 | 18–3 | 4 | 4–φ18 | 310 | 21 |
| 50 | 250 | 160 | 125 | 100 | 88 | 20–3 | 4 | 4–φ18 | 371 | 34 |
| 65 | 280 | 180 | 145 | 120 | 110 | 22–3 | 4 | 8–φ18 | 455 | 52 |
| 80 | 310 | 195 | 160 | 135 | 121 | 22–3 | 4 | 8–φ18 | 456 | 70 |
| 100 | 350 | 230 | 190 | 160 | 150 | 24–3 | 4.5 | 8–φ25 | 551 | 80 |
| 125 | 400 | 270 | 220 | 188 | 176 | 28–3 | 4.5 | 8–φ25 | 628 | 127 |
| 150 | 450 | 300 | 250 | 218 | 204 | 30–3 | 4.5 | 8–φ30 | 708 | 154 |
| 200 | 550 | 375 | 320 | 282 | 260 | 36–3 | 4.5 | 12–φ34 | 855 | 263 |
| 250 | 650 | 445 | 385 | 345 | 313 | 42–3 | 4.5 | 12–φ40 | 950 | 368 |
| 300 | 750 | 510 | 450 | 408 | 364 | 46–4 | 4.5 | 16–φ34 | 1203 | 547 |
| 350 | 850 | 585 | 510 | 465 | 422 | 52–4 | 5 | 16–φ34 | 1341 | 629 |
| 400 | 950 | 655 | 585 | 535 | 474 | 58–4 | 5 | 16–φ41 | 1492 | 790 |
| 500 | 1150 | 755 | 670 | 612 | 576 | 62–5 | 5 | 20–φ48 | 1627 | 1073 |
| 600 | 1350 | 890 | 790 | 730 | 678 | 68–5 | 6 | 24–φ54 | 1926 | 1490 |
| 700 | 1450 | 995 | 900 | 835 | 786 | 68–5 | 6 | 24–φ54 | 2310 | 2640 |
| 800 | 1650 | 1135 | 1020 | 960 | 876 | 76–5 | 6 | 28–φ58 | 2600 | 3239 |
| DN (mm) | L | D | D1 | D2 | D6 | b–f | f1 | Z–φd | H | Weight (kg) |
| PN 6.4 MPa | ||||||||||
| 15 | 130 | 105 | 75 | 55 | 41 | 18–2 | 4 | 4–φ14 | 140 | 7 |
| 20 | 150 | 125 | 90 | 68 | 51 | 20–2 | 4 | 4–φ18 | 140 | 10 |
| 25 | 210 | 150 | 110 | 78 | 56 | 22–2 | 4 | 4–φ18 | 180 | 12 |
| 32 | 230 | 150 | 110 | 82 | 68 | 24–2 | 4 | 4–φ23 | 270 | 18 |
| 40 | 240 | 160 | 125 | 95 | 76 | 24–3 | 4 | 4–φ23 | 345 | 20 |
| 50 | 250 | 175 | 135 | 105 | 88 | 26–3 | 4 | 4–φ23 | 470 | 39 |
| 65 | 280 | 200 | 160 | 130 | 110 | 28–3 | 4.5 | 8–φ23 | 520 | 43 |
| 80 | 310 | 225 | 170 | 140 | 121 | 30–3 | 4.5 | 8–φ23 | 500 | 60 |
| 100 | 350 | 250 | 200 | 168 | 150 | 32–3 | 4.5 | 8–φ30 | 700 | 89 |
| 125 | 400 | 295 | 240 | 202 | 176 | 36–3 | 4.5 | 8–φ30 | 780 | 140 |
| 150 | 450 | 340 | 280 | 244 | 204 | 38–3 | 4.5 | 8–φ34 | 850 | 207 |
| 200 | 550 | 405 | 345 | 300 | 260 | 44–3 | 5 | 12–φ41 | 1030 | 325 |
| 250 | 650 | 470 | 400 | 352 | 313 | 48–3 | 5 | 12–φ41 | 1250 | 467 |
| 300 | 750 | 550 | 460 | 412 | 364 | 52–4 | 5 | 16–φ48 | 1470 | 590 |
| 350 | 850 | 635 | 525 | 475 | 422 | 60–5 | 5 | 16–φ48 | 1718 | 700 |
| 400 | 950 | 720 | 590 | 525 | 476 | 60–5 | 5 | 16–φ48 | 1885 | 750 |
| 500 | 1150 | 800 | 705 | 640 | 576 | 70–4 | 5 | 20–φ54 | 2150 | 1175 |
| 600 | 1350 | 930 | 820 | 750 | 678 | 76–5 | 5 | 20–φ58 | 2895 | 2960 |
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