Large-Bore 3-Way Ball Valve (80-500 mm Stainless Steel Valve)
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Model: SQP
- Nominal Diameter:80～500 mm
- Pressure Rating:1.0～25 MPa
- Flange End:GB/T 9124, 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 |
| Ball | 1Cr18Ni9Ti |
| Stem | 304, 304L |
| Gasket | PTMEG-based Elastomer or FKM |
Applications
Large-bore 3-way stainless steel ball valves handle high flow, high pressure, and corrosive fluids. They are used in petrochemical and coal chemical, power and energy, municipal water and environmental, metallurgy and paper, marine and shipbuilding, food and pharmaceutical, and new energy or materials industries, with valve type and stainless steel grade chosen to suit each application.
Valve Parts
| No. | Component | Quantity |
| 1 | Upper Stem | 1 |
| 2 | Stem Seal Gland | 1 |
| 3 | Stem Seal | 2 |
| 4 | Upper Stem Bushing | 1 |
| 5 | Upper Thrust Washer | 1 |
| 6 | Body | 1 |
| 7 | Ball | 1 |
| 8 | Ball Bushing | 2 |
| 9 | Retaining Ring | 3 |
| 10 | Gasket | 3 |
| 11 | Bonnet Bushing | 3 |
| 12 | Bonnet | 3 |
| 13 | Lower Stem Bushing | 1 |
| 14 | Lower Thrust Washer | 1 |
| 15 | Lower Stem | 1 |
Dimensions
PN1.0MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 616 | 600 | 150 | 220 | 180 | 156 | 300 | 21 | 3 | 8-Ø18 |
| 125 | 5" | 616 | 600 | 150 | 250 | 210 | 184 | 320 | 21 | 3 | 8-Ø18 |
| 150 | 6" | 616 | 614 | 160 | 285 | 240 | 211 | 352 | 21 | 3 | 8-Ø22 |
| 200 | 8" | 616 | 629 | 176 | 340 | 295 | 266 | 428 | 25 | 3 | 8-Ø22 |
| 250 | 10" | 685 | 699 | 214 | 395 | 350 | 319 | 488 | 25 | 3 | 12-Ø22 |
| 300 | 12" | 685 | 729 | 244 | 445 | 400 | 370 | 554 | 29 | 4 | 12-Ø22 |
| 350 | 14" | 685 | 759 | 277 | 505 | 460 | 429 | 650 | 29 | 4 | 16-Ø22 |
| 400 | 16" | 855 | 875 | 325 | 565 | 515 | 480 | 730 | 34 | 4 | 16-Ø26 |
| 450 | 18" | 855 | 915 | 365 | 615 | 565 | 530 | 804 | 34 | 4 | 20-Ø26 |
| 500 | 20" | 855 | 964 | 402 | 670 | 620 | 582 | 885 | 39 | 4 | 20-Ø26 |
PN1.6MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 616 | 600 | 150 | 220 | 180 | 156 | 300 | 21 | 3 | 8-Ø18 |
| 125 | 5" | 616 | 600 | 150 | 250 | 210 | 184 | 320 | 21 | 3 | 8-Ø18 |
| 150 | 6" | 616 | 614 | 160 | 285 | 240 | 211 | 352 | 21 | 3 | 8-Ø22 |
| 200 | 8" | 616 | 629 | 176 | 340 | 295 | 266 | 428 | 25 | 3 | 12-Ø22 |
| 250 | 10" | 685 | 699 | 214 | 405 | 355 | 319 | 488 | 25 | 3 | 12-Ø26 |
| 300 | 12" | 685 | 729 | 244 | 460 | 410 | 370 | 554 | 29 | 4 | 12-Ø26 |
| 350 | 14" | 685 | 759 | 277 | 520 | 470 | 429 | 650 | 29 | 4 | 16-Ø26 |
| 400 | 16" | 855 | 875 | 325 | 580 | 525 | 480 | 730 | 34 | 4 | 16-Ø30 |
| 450 | 18" | 855 | 915 | 365 | 640 | 585 | 548 | 804 | 34 | 4 | 20-Ø30 |
| 500 | 20" | 855 | 1004 | 443 | 715 | 650 | 609 | 885 | 39 | 4 | 20-Ø33 |
PN2.5MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 616 | 600 | 150 | 235 | 190 | 156 | 300 | 22 | 3 | 8-Ø22 |
| 125 | 5" | 616 | 600 | 150 | 270 | 220 | 184 | 320 | 22 | 3 | 8-Ø26 |
| 150 | 6" | 616 | 614 | 160 | 300 | 250 | 211 | 352 | 24 | 3 | 8-Ø26 |
| 200 | 8" | 616 | 629 | 176 | 360 | 310 | 274 | 428 | 25 | 3 | 12-Ø26 |
| 250 | 10" | 685 | 699 | 214 | 425 | 370 | 330 | 488 | 28 | 3 | 12-Ø30 |
| 300 | 12" | 685 | 729 | 244 | 485 | 430 | 389 | 554 | 32 | 4 | 16-Ø30 |
| 350 | 14" | 685 | 759 | 277 | 555 | 490 | 448 | 650 | 35 | 4 | 16-Ø33 |
| 400 | 16" | 855 | 875 | 325 | 620 | 550 | 503 | 730 | 38 | 4 | 16-Ø36 |
| 450 | 18" | 855 | 915 | 365 | 670 | 600 | 548 | 804 | 38 | 4 | 20-Ø36 |
| 500 | 20" | 855 | 964 | 402 | 730 | 660 | 609 | 885 | 42 | 4 | 20-Ø36 |
PN4.0MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 616 | 600 | 155 | 235 | 190 | 156 | 310 | 24 | 3 | 8-Ø22 |
| 125 | 5" | 616 | 600 | 155 | 270 | 220 | 184 | 330 | 26 | 3 | 8-Ø26 |
| 150 | 6" | 616 | 614 | 165 | 300 | 250 | 211 | 362 | 28 | 3 | 8-Ø26 |
| 200 | 8" | 685 | 659 | 181 | 375 | 320 | 284 | 438 | 33 | 3 | 12-Ø30 |
| 250 | 10" | 685 | 699 | 219 | 450 | 385 | 345 | 508 | 33 | 3 | 12-Ø33 |
| 300 | 12" | 855 | 794 | 254 | 515 | 450 | 409 | 572 | 39 | 4 | 16-Ø33 |
PN6.3MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 616 | 600 | 155 | 250 | 200 | 168 | 310 | 28 | 3 | 8-Ø26 |
| 125 | 5" | 616 | 600 | 155 | 295 | 240 | 184 | 330 | 28 | 3 | 8-Ø30 |
| 150 | 6" | 616 | 614 | 165 | 340 | 280 | 240 | 362 | 30 | 3 | 8-Ø33 |
| 200 | 8" | 685 | 659 | 181 | 415 | 345 | 300 | 438 | 35 | 3 | 12-Ø36 |
| 250 | 10" | 685 | 699 | 219 | 470 | 400 | 352 | 508 | 38 | 3 | 12-Ø36 |
| 300 | 12" | 855 | 794 | 254 | 530 | 460 | 412 | 572 | 42 | 4 | 16-Ø36 |
PN10.0MPa
| Size | L | H | H1 | D | K | D1 | D2 | C | f | Z-Ød | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 100 | 4" | 576 | 587 | 182 | 265 | 210 | 162 | 364 | 40 | 3 | 8-Ø30 |
| 125 | 5" | 576 | 587 | 182 | 315 | 250 | 188 | 382 | 40 | 3 | 8-Ø33 |
| 150 | 6" | 710 | 668 | 191 | 355 | 290 | 218 | 382 | 44 | 3 | 12-Ø33 |
| 200 | 8" | 710 | 668 | 191 | 430 | 360 | 285 | 514 | 52 | 3 | 12-Ø36 |
| 250 | 10" | 756 | 850 | 257 | 505 | 430 | 345 | 558 | 60 | 3 | 12-Ø39 |
| 300 | 12" | 767 | 850 | 279 | 585 | 500 | 410 | 645 | 68 | 4 | 16-Ø42 |
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.