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 standards: American API, ANSI
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
| size | 150LB（PN20） |
| mm | in | A | B | C | D | E |
| BW | FL |
| 50 | 2" | 216 | 178 | 387 | 510 | 51 | 203 |
| 65 | 2 1/2" | 241 | 190 | 422 | 527 | 64 | 203 |
| 80 | 3" | 282 | 203 | 480 | 614 | 76 | 254 |
| 100 | 4" | 305 | 229 | 562 | 718 | 102 | 254 |
| 150 | 6" | 403 | 267 | 787 | 962 | 152 | 356 |
| 200 | 8" | 419 | 292 | 956 | 1162 | 203 | 457 |
| 250 | 10" | 457 | 330 | 1191 | 1425 | 254 | 508 |
| 300 | 12" | 502 | 356 | 1441 | 1721 | 305 | 508 |
| 350 | 14" | 572 | 381 | 1559 | 1905 | 337 | 610 |
| 400 | 16" | 610 | 406 | 1746 | 2159 | 387 | 610 |
| 450 | 18" | 660 | 432 | 1885 | 2385 | 438 | 650 |
| 500 | 20" | 711 | 457 | 1995 | 2550 | 489 | 650 |
| 600 | 24" | 813 | 508 | 2105 | 2755 | 591 | 700 |
| size | 300LB（PN50） |
| mm | in | A | B | C | D | E |
|
| 50 | 2" | 216 | 387 | 510 | 50 | 203 |
| 65 | 2 1/2" | 241 | 422 | 554 | 64 | 203 |
| 80 | 3" | 282 | 508 | 665 | 76 | 254 |
| 100 | 4" | 305 | 594 | 771 | 102 | 254 |
| 150 | 6" | 403 | 819 | 1022 | 152 | 356 |
| 200 | 8" | 419 | 1037 | 1270 | 203 | 457 |
| 250 | 10" | 457 | 1248 | 1505 | 254 | 508 |
| 300 | 12" | 502 | 1508 | 1803 | 305 | 508 |
| 350 | 14" | 762 | 1559 | 1778 | 337 | 610 |
| 400 | 16" | 838 | 1746 | 2032 | 387 | 610 |
| 450 | 18" | 914 | 1905 | 2405 | 432 | 650 |
| 500 | 20" | 991 | 2095 | 2645 | 483 | 650 |
| 600 | 24" | 1143 | 2205 | 2855 | 584 | 700 |
| size | 600LB（PN100） |
| mm | in | A | B | C | D | E |
|
| 50 | 2" | 292 | 391 | 510 | 51 | 203 |
| 65 | 2 1/2" | 330 | 476 | 614 | 64 | 254 |
| 80 | 3" | 356 | 549 | 705 | 76 | 254 |
| 100 | 4" | 432 | 657 | 835 | 102 | 356 |
| 150 | 6" | 559 | 924 | 1125 | 152 | 508 |
| 200 | 8" | 660 | 1114 | 1349 | 203 | 610 |
| 250 | 10" | 787 | 1245 | 1511 | 254 | 762 |
| 300 | 12" | 838 | 1546 | 1842 | 305 | 762 |
| 350 | 14" | 889 | 1842 | 2159 | 327 | - |
| 400 | 16" | 991 | 2089 | 2413 | 375 | - |
| 450 | 18" | 1092 | 1985 | 2485 | 419 | - |
| 500 | 20" | 1194 | 2095 | 2650 | 464 | - |
| 600 | 24" | 1397 | 2205 | 2855 | 559 | - |
| size | 900LB（PN150） |
| mm | in | A | B | C | D | E |
|
| 50 | 2" | 368 | 530 | 732 | 48 | 254 |
| 80 | 3" | 457 | 643 | 889 | 73 | 356 |
| 100 | 4" | 610 | 721 | 1016 | 99 | 457 |
| 150 | 6" | 559 | 979 | 1270 | 146 | 508 |
| size | 1500LB（PN250） |
| mm | in | A | B | C | D | E |
|
| 50 | 2" | 368 | 530 | 762 | 48 | 254 |
| 80 | 3" | 470 | 641 | 889 | 70 | 356 |
| 100 | 4" | 546 | 721 | 1016 | 92 | 457 |
| 150 | 6" | 705 | 979 | 1270 | 137 | - |
| 200 | 8" | 832 | 1046 | 1524 | 178 | - |
Technical Documentation
1. Implement the standard BS 6364-1998
2. Structural length standard ASME B16.10-2017
3. Flange size standard ASME B16.5
4. Pressure temperature rating ASME B16.34-2020
5. Welding connection design ASME B16.25-2020
6. Wall thickness and general valve settings API 602-2015 (forged), API 600-2015 (cast)
Product Parts List
| serial number | name | Forged steel 1/4 "-2" material | Cast steel 2 "-48" | serial number | name | Forged steel 1/4 "-2" material | Cast steel 2 "-48" |
| 1 | valve body | SS316 | CF8M | 15 | key | N/A | WCB |
| 2 | valve cover | SS316 | CF8M | 16 | Bracket liner | N/A | stainless steel |
| 3 | valve stem | SS316/Nimonic | 17 | bearing | N/A | steel |
| 4 | Prologue | CF8M/STL 6 | 18 | Handwheel nut | malleable cast iron |
| 5 | valve seat | STL 12 | 19 | handwheel | malleable cast iron |
| 6 | Packing flange | SS316 | 20 | Lubricating oil nozzle | N/A | steel |
| 7 | gasket | SS316 | 21 | Slot sales | N/A | stainless steel |
| 8 | packing ring | RPTFE+GRAP | 22 | bushing | N/A | stainless steel |
| 9 | Cover bolt | 316，B8M | 23 | washer | N/A | stainless steel |
| 10 | Cover nut | Gr.8M | 24 | brand name | N/A | stainless steel |
| 11 | Valve body/valve cover nut | Gr.8M | 25 | Identify tags | N/A | stainless steel |
| 12 | Valve body/valve cover bolts | B8M | 26 | rivet | N/A | stainless steel |
| 13 | Upper sealing valve seat | N/A | SS316 | 27 | stem nut | Stainless steel/copper | Ni-resist type DZC |
| 14 | washer | Graphite winding pad | - | - | - | - |
