Large-Bore Stainless Steel Gate Valve (80-500mm)
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Model: ZP
- Nominal Diameter:DN80-DN500
- Pressure Rating:1.0~25 MPa
- Flange End:GB/T9124 ANSI B16.5
- Suitable Media:Water, Steam, Oil, Slurry, Corrosive & Food-Grade Media, etc.
- Operating Temperature:-40 to 120℃
- Method of Operation: Manual, Electric, Pneumatic, Hydraulic
- Inspection & Testing:GB/T 13927, API 598
- Surface Treatment:Pickling, Passivation, Polishing (or as per customer request)
Materials
| Body/Bonnet | 304, 304L, 316, 316L |
| Gate | 304, 304L, 316, 316L |
| Stem | 304, 304L |
| Seal Material | PTMEG-based Elastomer |
Applications
Large-bore stainless steel gate valves resist corrosion, high pressure, and high temperature, and are used in petrochemical, coal processing, energy, municipal water, environmental, metallurgy, paper, marine, shipbuilding, food, pharmaceutical, and new materials industries. Valve type and stainless steel grade are selected to suit the conditions of each application.
Valve Parts
| No. | Component | Quantity |
| 1 | Connecting Flange | 1 |
| 2 | Deep Groove Ball Bearing | 1 |
| 3 | Single Direction Thrust Ball Bearing | 2 |
| 4 | Bearing Housing | 1 |
| 5 | Stem Assembly | 1 |
| 6 | Support Plate | 2 |
| 7 | Packing Gland | 1 |
| 8 | Gland Packing | N |
| 9 | Stem Seal Ring | 1 |
| 10 | Bonnet | 1 |
| 11 | Left Body | 1 |
| 12 | Bushing | 1 |
| 13 | Gate | 1 |
| 14 | Right Body | 1 |
| 15 | Gasket | 1 |
| 16 | Bushing | 1 |
| 17 | End Cap | 1 |
Dimensions
PN1.0MPa
| Size | L | D | K | n-Ø | a | H | |||
| Electric Operated | Manual Operated | ||||||||
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | |
| 80 | 3" | 170 | 200 | 160 | 8-18 | 132 | 660 | 380 | |
| 100 | 4" | 189 | 220 | 180 | 8-18 | 156 | 690 | 420 | |
| 125 | 5" | 231 | 250 | 210 | 8-18 | 184 | 800 | 510 | |
| 150 | 6" | 251 | 285 | 240 | 8-22 | 211 | 870 | 580 | |
| 175 | 7" | 274 | 315 | 270 | 8-22 | 240 | 1040 | 730 | |
| 200 | 8" | 332 | 340 | 295 | 8-22 | 266 | 1120 | 800 | |
| 225 | 9" | 332 | 370 | 325 | 8-22 | 295 | 1190 | 870 | |
| 250 | 10" | 374 | 395 | 350 | 12-22 | 319 | 1350 | 1050 | |
| 300 | 12" | 374 | 445 | 400 | 12-22 | 370 | 1520 | 1120 | |
| 350 | 14" | 406 | 505 | 460 | 16-22 | 429 | 1580 | 1180 | |
| 400 | 16" | 425 | 450 | 565 | 515 | 16-26 | 480 | 1720 | 1330 |
| 450 | 18" | 490 | 615 | 565 | 20-26 | 530 | 1910 | 1470 | |
| 500 | 20" | 560 | 546 | 670 | 620 | 20-26 | 582 | 2080 | 1630 |
| 600 | 24" | 600 | 780 | 725 | 20-30 | 682 | 2280 | 1750 | |
| 700 | 28" | 700 | 895 | 840 | 24-30 | 794 | 2750 | 2200 | |
PN1.6MPa
| Size | L | D | K | n-Ø | a | H | |||
| Electric Operated | Manual Operated | ||||||||
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | |
| 80 | 3" | 170 | 200 | 160 | 8-18 | 132 | 660 | 380 | |
| 100 | 4" | 189 | 220 | 180 | 8-18 | 156 | 690 | 420 | |
| 125 | 5" | 231 | 250 | 210 | 8-18 | 184 | 800 | 510 | |
| 150 | 6" | 251 | 285 | 240 | 8-22 | 211 | 870 | 580 | |
| 175 | 7" | 274 | 315 | 270 | 8-22 | 240 | 1040 | 730 | |
| 200 | 8" | 332 | 340 | 295 | 12-22 | 266 | 1120 | 800 | |
| 225 | 9" | 332 | 370 | 325 | 12-22 | 295 | 1190 | 870 | |
| 250 | 10" | 374 | 405 | 355 | 12-26 | 319 | 1350 | 1050 | |
| 300 | 12" | 374 | 460 | 410 | 12-26 | 370 | 1520 | 1120 | |
| 350 | 14" | 406 | 520 | 470 | 16-26 | 429 | 1580 | 1180 | |
| 400 | 16" | 425 | 450 | 580 | 525 | 16-30 | 480 | 1720 | 1330 |
| 450 | 18" | 490 | 640 | 585 | 20-30 | 548 | 1910 | 1470 | |
| 500 | 20" | 560 | 546 | 715 | 650 | 20-33 | 609 | 2080 | 1630 |
| 600 | 24" | 600 | 840 | 770 | 20-36 | 720 | 2280 | 1750 | |
| 700 | 28" | 700 | 910 | 840 | 24-36 | 794 | 2750 | 2200 | |
PN2.5MPa
| Size | L | D | K | n-Ø | a | H | |||
| Electric Operated | Manual Operated | ||||||||
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | |
| 80 | 3" | 170 | 200 | 160 | 8-18 | 132 | 660 | 380 | |
| 100 | 4" | 189 | 235 | 190 | 8-22 | 156 | 690 | 420 | |
| 125 | 5" | 231 | 270 | 220 | 8-26 | 184 | 800 | 510 | |
| 150 | 6" | 251 | 300 | 250 | 8-26 | 211 | 870 | 580 | |
| 175 | 7" | 274 | 330 | 280 | 12-26 | 248 | 1040 | 730 | |
| 200 | 8" | 332 | 360 | 310 | 12-26 | 274 | 1120 | 800 | |
| 125 | 9" | 332 | 395 | 340 | 12-30 | 302 | 1190 | 870 | |
| 250 | 10" | 374 | 425 | 370 | 12-30 | 330 | 1350 | 1050 | |
| 300 | 12" | 374 | 485 | 430 | 16-30 | 389 | 1520 | 1120 | |
| 350 | 14" | 406 | 555 | 490 | 16-33 | 448 | 1580 | 1180 | |
| 400 | 16" | 425 | 450 | 620 | 550 | 16-36 | 503 | 1720 | 1330 |
| 450 | 18" | 490 | 670 | 600 | 20-36 | 548 | 1910 | 1470 | |
| 500 | 20" | 560 | 546 | 730 | 660 | 20-36 | 609 | 2080 | 1630 |
| 600 | 24" | 600 | 845 | 770 | 20-39 | 720 | 2280 | 1750 | |
| 700 | 28" | 700 | 960 | 875 | 24-42 | 820 | 2750 | 2200 | |
PN4.0MPa
| Size | L | D | K | n-Ø | a | H | ||
| Electric Operated | Manual Operated | |||||||
| DN | NPS | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 244 | 235 | 190 | 8-22 | 156 | 740 | 420 |
| 125 | 5" | 283 | 270 | 220 | 8-26 | 184 | 790 | 480 |
| 150 | 6" | 314 | 300 | 250 | 8-26 | 211 | 860 | 530 |
| 175 | 7" | 314 | 350 | 295 | 12-30 | 258 | 1060 | 660 |
| 200 | 8" | 374 | 375 | 320 | 12-30 | 284 | 1150 | 750 |
| 225 | 9" | 374 | 420 | 355 | 12-33 | 315 | 1150 | 750 |
| 250 | 10" | 403 | 450 | 385 | 12-33 | 345 | 1320 | 930 |
| 300 | 12" | 421 | 515 | 450 | 16-33 | 409 | 1320 | 930 |
| 350 | 14" | 475 | 580 | 510 | 16-36 | 465 | 1580 | 1130 |
| 400 | 16" | 518 | 660 | 585 | 16-39 | 535 | 1640 | 1190 |
| 450 | 18" | 580 | 685 | 610 | 20-39 | 560 | 2080 | 1650 |
| 500 | 20" | 650 | 755 | 670 | 20-42 | 615 | 2300 | 1800 |
| 600 | 24" | 720 | 890 | 795 | 20-48 | 735 | 2450 | 2200 |
PN6.3MPa
| Size | L | D | K | n-Ø | a | H | ||
| Electric Operated | Manual Operated | |||||||
| DN | NPS | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 244 | 250 | 200 | 8-26 | 168 | 740 | 420 |
| 125 | 5" | 283 | 295 | 240 | 8-30 | 202 | 790 | 480 |
| 150 | 6" | 314 | 345 | 280 | 8-33 | 240 | 860 | 530 |
| 175 | 7" | 314 | 375 | 310 | 12-33 | 270 | 1060 | 660 |
| 200 | 8" | 374 | 415 | 345 | 12-36 | 300 | 1150 | 750 |
| 225 | 9" | 374 | 440 | 370 | 12-36 | 325 | 1150 | 750 |
| 250 | 10" | 403 | 470 | 400 | 12-36 | 352 | 1320 | 930 |
| 300 | 12" | 421 | 530 | 460 | 16-36 | 412 | 1320 | 930 |
| 350 | 14" | 475 | 600 | 525 | 16-39 | 475 | 1580 | 1130 |
Notes
- The valve specifications shown in the tables above are for reference only.
- Product specifications and technical data may change due to product improvements or updates, please contact us for the latest information.
- Valves can be customized according to customer requirements.

