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Release Date：2026-09-30
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Keywords：Cast steel gate valve, high temperature and high pressure gate valve, alloy steel gate valve
Description
l Forging body, no defect, high reliability.
l Pressurized seal design, more reliable the seal.
l Adopt flexible wedge disc, double wedge discs and double parallel discs.
l The sealing surface is welded with hard alloy. Wear resistant and corrosion resistant, reliable sealing, long service life.
l Stem adopt 38CrMoAlA or SS specified by customer, heat treatment, surface treatment.
l Drive mode: manual, electric, pneumatic, hydraulic, gear transmission, worm drive.
Product structure drawing
Type：DZ960Y DZ962Y DZ964Y DZ560Y DZ562Y DZ564Y DZ60Y DZ62Y DZ64Y
Design standard
Design & manufacture | End to end dimension | End dimension | Inspection and test | Press-temp ratings |
NB/T47044 | NB/T47044 | NB/T47044 | NB/T47044 | NB/T47044 |
ASME B16.34 | ASME B16.10 | ASME B16.25 | API 598 | ASME B16.34 |
Technical specification
Nominal press | 200 | 250 | 320 | 420 | 1500Lb | 2500Lb | 3500Lb | 4500Lb | P54100V | P54140V | P54170V | P58270V | |
Shell test | MPa | 30.0 | 37.5 | 48.0 | 60.0 | Follow on press-temp rating | 30.0 | 42.0 | 51.0 | 75.5 | |||
Seal test | 22.0 | 27.5 | 35.2 | 46.2 | 1.1 times nominal press | 12.5 | 17.5 | 21.2 | 33.8 | ||||
Back seal test | 22.0 | 27.5 | 35.2 | 46.2 | 12.5 | 17.5 | 21.2 | 33.8 | |||||
Main parts material
Body | Bonnet | Disc | Seat | Stem | Yoke |
20/A105 | 20/A105 | 20/A105 | 20/A105 | 38CrMoAlA | WCB |
15CrMo | 15CrMo | 15CrMo | 15CrMo | 38CrMoAlA | WCB |
12Cr1MoV | 12Cr1MoV | 12Cr1MoV | 12Cr1MoV | 38CrMoAlA | WCB/WC6 |
F36 | F36 | F36 | F36/25 | 38CrMoAlA | WCB |
F22 | F22 | F22 | F22 | 38CrMoAlA | WCB/WC6 |
F91 | F91 | F91 | F91 | 616/20Cr1Mo1VNbTiB | WCB/WC6 |
F92 | F92 | F92 | F92 | FXM-19/ | WC9/WC6 |
End dimension and overall dimension
Size | 200/P54100V | 250/P54140V | 320/P54170V | 420/P54210V* | ||||||||||||
DN | d | D | L | H | d | D | L | H | d | D | L | H | d | D | L | H |
50 | 48 | 62 | 216 | 412 | 45 | 62 | 216 | 412 | 53 | 78 | 279 | 412 | 47 | 62 | 279 | 412 |
65 | 61 | 78 | 254 | 520 | 68 | 91 | 254 | 520 | 64 | 91 | 330 | 520 | 68 | 91 | 330 | 520 |
80 | 72 | 91 | 305 | 520 | 87 | 117 | 305 | 520 | 81 | 117 | 368 | 520 | 88 | 117 | 368 | 520 |
100 | 108 | 136 | 406 | 861 | 100 | 136 | 406 | 861 | 96 | 136 | 457 | 861 | 100 | 136 | 457 | 861 |
125 | 135 | 172 | 483 | 788 | 127 | 172 | 483 | 788 | 117 | 172 | 533 | 788 | 127 | 172 | 533 | 788 |
150 | 157 | 198 | 559 | 916 | 149 | 198 | 559 | 916 | 141 | 198 | 610 | 916 | 149 | 198 | 610 | 916 |
175 | 178 | 223 | 711 | 916 | 168 | 223 | 711 | 916 | 172 | 249 | 762 | 916 | 168 | 223 | 762 | 916 |
200 | 200 | 249 | 711 | 1010 | 188 | 249 | 711 | 1010 | 196 | 278 | 762 | 1010 | 188 | 249 | 762 | 1010 |
225 | 222 | 278 | 864 | 1112 | 212 | 278 | 864 | 1112 | 234 | 330 | 914 | 1112 | 212 | 278 | 914 | 1112 |
250 | 268 | 330 | 864 | 1155 | 252 | 330 | 864 | 1155 | 250 | 357 | 914 | 1155 | 252 | 330 | 914 | 1155 |
275 | 290 | 357 | 991 | 1250 | 270 | 357 | 991 | 1250 | 264 | 383 | 1041 | 1250 | 274 | 360 | 1041 | 1250 |
300 | 312 | 383 | 991 | 1340 | 325 | 433 | 991 | 1340 | 305 | 433 | 1041 | 1340 | 315 | 410 | 1041 | 1340 |
350 | 353 | 433 | 1067 | 1506 | 349 | 457 | 1067 | 1506 | 329 | 457 | 1067 | 1506 | 356 | 460 | 1067 | 1506 |
400 | 409 | 508 | 1130 | 1778 | 367 | 487 | 1130 | 1778 | 359 | 508 | 1130 | 1778 | 397 | 516 | 1130 | 1778 |
450 | 439 | 538 | 1219 | 1883 | 409 | 538 | 1219 | 1883 | 389 | 538 | 1219 | 1883 | 438 | 565 | 1219 | 1883 |
Remark: Above data only for reference, we can provide other different design according to the customer’s special requirements. * The data in the table are applicable to 15NiCuMoNb5 and P91.
End dimension and overall dimension
Size | 1500Lb | 2500Lb | 3500Lb | 4500Lb | ||||||||||||
NPS | d | D | L | H | d | D | L | H | d | D | L | H | d | D | L | H |
2 | 47 | 62 | 216 | 412 | 38 | 62 | 279 | 412 | 33 | 62 | 279 | 412 | 29 | 62 | 279 | 412 |
57 | 76 | 254 | 520 | 47 | 76 | 330 | 520 | 40 | 76 | 330 | 520 | 36 | 76 | 330 | 520 | |
3 | 70 | 92 | 305 | 520 | 57 | 92 | 368 | 520 | 50 | 92 | 368 | 520 | 43 | 92 | 368 | 520 |
4 | 92 | 117 | 406 | 861 | 73 | 117 | 457 | 861 | 65 | 117 | 457 | 861 | 56 | 117 | 457 | 861 |
5 | 111 | 145 | 483 | 788 | 92 | 145 | 533 | 788 | 81 | 145 | 533 | 788 | 69 | 145 | 533 | 788 |
6 | 136 | 172 | 559 | 916 | 111 | 172 | 610 | 916 | 96 | 172 | 610 | 916 | 82 | 172 | 610 | 916 |
8 | 178 | 223 | 711 | 916 | 146 | 223 | 762 | 916 | 126 | 223 | 762 | 916 | 107 | 223 | 762 | 916 |
10 | 222 | 278 | 864 | 1112 | 184 | 278 | 914 | 1112 | 159 | 278 | 914 | 1112 | 133 | 278 | 914 | 1112 |
12 | 263 | 330 | 991 | 1155 | 219 | 330 | 1041 | 1155 | 178 | 330 | 1041 | 1155 | 158 | 330 | 1041 | 1155 |
14 | 289 | 360 | 1067 | 1250 | 241 | 360 | 1118 | 1250 | 207 | 360 | 1118 | 1250 | 173 | 360 | 1118 | 1250 |
16 | 330 | 410 | 1130 | 1340 | 276 | 410 | 1130 | 1340 | 237 | 410 | 1130 | 1340 | 198 | 410 | 1130 | 1340 |
18 | 371 | 460 | 1130 | 1506 | 311 | 460 | 1130 | 1506 | 267 | 460 | 1130 | 1506 | 223 | 460 | 1130 | 1506 |
20 | 416 | 516 | 1194 | 1778 | 343 | 516 | 1194 | 1778 | 295 | 516 | 1194 | 1778 | 247 | 516 | 1194 | 1778 |
22 | 457 | 565 | 1194 | 1883 | 378 | 565 | 1194 | 1883 | 325 | 565 | 1194 | 1883 | 272 | 565 | 1194 | 1883 |
Remark: Above data only for reference, we can provide other different design according to the customer’s special requirements.
