Product model: DZ40W
Structural form: gate type
Connection method: flange
Applicable temperature: -20 º C~-101 º C~-196 º C
Drive modes: manual, bevel gear, electric, pneumatic, hydraulic
Valve body material: cast steel, stainless steel
Manufacturing standard: National standard GB
Applicable media: liquid nitrogen, ethylene, methane, liquid natural gas, carbon dioxide, etc
Widely used: petroleum, chemical, power, environmental protection, water conservancy, heating, water supply and drainage, industry, machinery
Product drawing
Product dimensions
| PN16 | DN | L | D | D1 | D2 | b | n-Фd | H | D0 |
20
| 150 | 105 | 75 | 55 | 14 | 4-Ф14 | 320 | 140 |
| 25 | 160 | 115 | 85 | 65 | 14 | 4-Ф14 | 350 | 160 |
| 32 | 180 | 135 | 100 | 78 | 16 | 4-Ф18 | 385 | 180 |
| 40 | 200 | 145 | 110 | 85 | 16 | 4-Ф18 | 420 | 220 |
| 50 | 250 | 160 | 125 | 100 | 16 | 4-Ф18 | 540 | 240 |
| 65 | 265 | 180 | 145 | 120 | 18 | 4-Ф18 | 610 | 240 |
| 80 | 280 | 195 | 160 | 135 | 20 | 8-Ф18 | 690 | 280 |
100
| 300 | 215 | 180 | 155 | 20 | 8-Ф18 | 780 | 300 |
125
| 325 | 245 | 210 | 185 | 22 | 8-Ф18 | 930 | 320 |
| 150 | 350 | 280 | 240 | 210 | 24 | 8-Ф23 | 980 | 350 |
| 200 | 400 | 335 | 295 | 265 | 26 | 12-Ф26 | 1180 | 400 |
| 250 | 450 | 405 | 355 | 320 | 30 | 12-Ф30 | 1390 | 450 |
300
| 500 | 460 | 410 | 375 | 30 | 12-Ф30 | 1620 | 500 |
| 350 | 550 | 520 | 470 | 435 | 34 | 16-Ф34 | 1810 | 500 |
| 400 | 600 | 580 | 525 | 485 | 36 | 16-Ф36 | 1970 | 550 |
| PN25 | DN | L | D | D1 | D2 | b | n-Фd | H | D0 |
20
| 150
| 105 | 75 | 55 | 16 | 4-Ф16 | 320 | 140 |
| 25 | 160 | 115 | 85 | 65 | 16 | 4-Ф16 | 350 | 160 |
| 32 | 180 | 135 | 100 | 78 | 18 | 4-Ф18 | 385 | 180 |
| 40 | 200 | 145 | 110 | 85 | 18 | 4-Ф18 | 420 | 200 |
| 50 | 250 | 160 | 125 | 100 | 20 | 4-Ф20 | 540 | 240 |
| 65 | 265 | 180 | 145 | 125 | 22 | 8-Ф22 | 510 | 240 |
| 80 | 280 | 195 | 160 | 135 | 22 | 8-Ф22 | 690 | 280 |
| 100 | 300 | 230 | 190 | 160 | 24 | 8-Ф24 | 780 | 300 |
| 125 | 325 | 270 | 220 | 188 | 28 | 8-Ф28 | 930 | 300 |
| 150 | 350 | 300 | 250 | 218 | 30 | 8-Ф30 | 980 | 320 |
| 200 | 400 | 360 | 310 | 278 | 34 | 12-Ф34 | 1180 | 360 |
| 250 | 450 | 425 | 370 | 332 | 36 | 12-Ф36 | 1390 | 400 |
| 300 | 500 | 485 | 430 | 390 | 40 | 16-Ф40 | 1620 | 450 |
| 350 | 550 | 550 | 490 | 448 | 44 | 16-Ф44 | 1810 | 500 |
| 400 | 600 | 610 | 550 | 505 | 48 | 16-Ф48 | 1990 | 560 |
| PN40 | DN | L | D | D1 | D2 | D6 | b | n-Фd | H | D0 |
| 20 | 150 | 105 | 75 | 55 | 51 | 16 | 4-Ф14 | 330 | 140 |
| 25 | 160 | 115 | 85 | 65 | 58 | 16 | 4-Ф14 | 360 | 160 |
| 32 | 180 | 135 | 100 | 78 | 66 | 18 | 4-Ф18 | 440 | 180 |
| 40 | 200 | 145 | 110 | 85 | 76 | 18 | 4-Ф18 | 455 | 200 |
| 50 | 250 | 160 | 125 | 100 | 88 | 20 | 4-Ф18 | 575 | 240 |
| 65 | 380 | 180 | 145 | 120 | 110 | 22 | 4-Ф20 | 635 | 240 |
| 80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-Ф22 | 715 | 280 |
| 100 | 350 | 230 | 190 | 160 | 150 | 24 | 8-Ф22 | 815 | 300 |
| 125 | 400 | 270 | 220 | 188 | 176 | 28 | 8-Ф24 | 965 | 360 |
| 150 | 450 | 300 | 250 | 218 | 204 | 30 | 8-Ф28 | 1025 | 400 |
200
| 550 | 375 | 320 | 282 | 260 | 38 | 8-Ф30 | 1225 | 450 |
| 250 | 650 | 445 | 385 | 345 | 313 | 42 | 12-Ф34 | 1440 | 560 |
| 300 | 750 | 510 | 450 | 408 | 364 | 46 | 16-Ф34 | 1665 | 670 |
| 350 | 850 | 570 | 510 | 465 | 422 | 52 | 16-Ф41 | 1880 | 720 |
| 400 | 950 | 655 | 585 | 535 | 474 | 58 | 16-Ф48 | 2050 | 800 |
| PN64 | DN | L | D | D1 | D2 | D6 | b | n-Фd | H | D0 |
| 20 | 190 | 125
| 90 | 68 | 51 | 20 | 4-Ф18 | 330 | 180 |
| 25 | 210 | 135 | 100 | 78 | 58
| 22 | 4-Ф23 | 360 | 180 |
| 32 | 230 | 150 | 110 | 82 | 66 | 24 | 4-Ф23 | 410 | 180 |
| 40 | 240 | 165 | 125 | 95 | 76 | 24 | 4-Ф23 | 480 | 220 |
| 50 | 250 | 175 | 135 | 105 | 88 | 26 | 4-Ф23 | 585 | 240 |
| 65 | 280 | 200 | 160 | 130 | 110 | 28 | 8-Ф23 | 690 | 240 |
| 80 | 310 | 210 | 170 | 140 | 121 | 30 | 8-Ф23 | 745 | 280 |
| 100 | 350 | 250 | 200 | 168 | 150 | 32 | 8-Ф25 | 885 | 300 |
| 125 | 400 | 295 | 240 | 202 | 176 | 36 | 8-Ф30 | 985 | 360 |
| 150 | 450 | 340 | 280 | 240 | 204 | 38 | 8-Ф34 | 1050 | 400 |
200
| 550 | 405 | 345 | 300 | 260 | 44 | 12-Ф34 | 1240 | 450 |
| 250 | 650 | 470 | 460 | 352 | 313 | 48 | 12-Ф41 | 1460 | 560 |
| 300 | 750 | 530 | 160 | 412 | 364 | 54 | 16-Ф41 | 1670 | 600 |
| PN100 | 25 | 210 | 135
| 100 | 78 | 58 | 24 | 4-Ф18 | 365 | 200 |
| 32 | 230 | 150 | 110 | 82 | 66 | 24 | 4-Ф23 | 420 | 200 |
| 50 | 250 | 195 | 145 | 112 | 88 | 28 | 4-Ф28 | 630 | 240 |
| 65 | 280 | 220 | 170 | 138 | 110 | 32 | 8-Ф25 | 700 | 240 |
| 80 | 310 | 230 | 180 | 148 | 121 | 34 | 8-Ф25 | 760 | 280 |
| 100 | 350 | 265 | 210 | 172 | 150 | 38 | 8-Ф30 | 900 | 280 |
Technical Documentation
1. Implement standard JB/T 7749-1995
2. Structural Length Standard GB/T 12221-2005
3. Flange size standard JB/T 79-2015
4. Testing standard JB/T 9092-1999
5. Pressure Temperature Standard GB/T 9124-2019
Product Parts List
| Body cover plate | valve stem | sealing surface | shim | filler | Operating Temperature/℃ | Applicable Medium |
ZGoCrMNVAI LCB | 1Cr7Ni12 | STL/STL
| 1Cr13 | PTFE | -46 | Propane/Bingene Methanol/Ethane Gas/Liquid Ammonia
|
ZGoCrMNVAI LC1 | -60 |
ZGoCrMNVAI LC2 | -73 |
ZGoCrMNVAI LC3 | 1Cr18Ni9Ti | -101 |
ZGoCrMNVAI LC4 | -115 |
| ZGoCrMNVAI | -196 |
