Forging power station gate valve manufacturer
Z961Y-250I-P91 forging power station gate valve
Pressure environment : 900LB, 1500LB, 2500LB,3500LB
Valve body material: Integral forging A105, integral forging F304, integral forging F11,F22,P91 and other special materials
Connecting format : Welding
Nominal diameter : 2″-18″
Applicable medium : Water, oil, steam – carbon steel + chromium molybdenum steel
Nitric acid, acetic acid, etc. – stainless steel;
Propane, ethylene, etc. – low temperature steel;
Operating temperature:
Carbon steel -29℃ ~ 425℃,
stainless steel -40℃ ~ 550℃,
low temperature steel -46℃ ~ 350℃,
chromium molybdenum steel -29℃ ~ 550℃.
structure type：self seals
driving method: Electric, pneumatic, hydraulic, gear, etc
Applicable industry: Petroleum, chemical, firepower, pharmaceutical, fertilizer, power plant and other industries
Material of main parts
| valve body | valve cover | gate desk | valve seat | valve rod | packing |
| A105 | WCB | A105+13Cr | A105+13Cr | 2Cr13 | Flexible graphite + stainless steel |
| 12Cr1MoV | WCB | 12Cr1MoV+STL | 12Cr1MoV+STL | 25Cr2MoVA | Flexible graphite + stainless steel |
| F11 | WC6 | 12Cr1MoV+STL | 12Cr1MoV+STL | 25Cr2MoVA | Flexible graphite + stainless steel |
| F22 | WC9 | 12Cr1MoV+STL | 12Cr1MoV+STL | 25Cr2MoVA | Flexible graphite + stainless steel |
| F91 | WC9 | F91+STL | F91+STL | 25Cr2MoVA | Flexible graphite + stainless steel |
| F304 | CF8 | F304 | F304 | F304 | Flexible graphite + stainless steel |
| F316 | CF8M | F316 | F316 | F316 | Flexible graphite + stainless steel |
900Lb main connection dimensions and external dimensions
| Nominal pressure
CLASS |
SIZE | Standard values | Reference value | Size of nozzle | |||||
| Inch | mm | Ｄ | Ｄ1 | Ｌ | Ｈ1 | Ｈ2 | Ｈ3 | ＤwＸＴ | |
| 900Lb | 2″ | 50 | 62 | 49 | 216 | 490 | 610 | 585 | φ60*5.5 |
| 2-1/2″ | 65 | 75 | 59 | 254 | 620 | 730 | 690 | φ73*7 | |
| 3″ | 80 | 91 | 74 | 305 | 650 | 750 | 710 | φ89*7.6 | |
| 4″ | 100 | 117 | 97 | 356 | 750 | 870 | 825 | φ114*8.55 | |
| 5″ | 125 | 144 | 122 | 432 | 850 | 950 | 925 | φ141*9.55 | |
| 6″ | 150 | 172 | 146 | 508 | 1005 | 1120 | 1005 | φ168*10.95 | |
| 8″ | 200 | 223 | 194 | 660 | 1050 | 1190 | 1165 | φ219*12.7 | |
| 10″ | 250 | 278 | 243 | 787 | 1165 | 1310 | 1312 | φ273*15.1 | |
| 12″ | 300 | 329 | 289 | 914 | 1298 | 1425 | 1389 | φ324*17.5 | |
| 14″ | 350 | 362 | 318 | 991 | 1415 | 1655 | 1610 | φ356*19.05 | |
| 16″ | 400 | 413 | 364 | 1092 | 1610 | 1835 | 1812 | φ406*21.45 | |
1500Lb main connection dimensions and external dimensions
| Nominal pressure
CLASS |
SIZE | Standard values | Reference value | Size of nozzle | |||||
| Inch | mm | Ｄ | Ｄ1 | Ｌ | Ｈ1 | Ｈ2 | Ｈ3 | ＤwＸＴ | |
| 1500Lb | 2″ | 50 | 62 | 42.5 | 216 | 495 | 750 | 680 | φ60*8.55 |
| 2-1/2″ | 65 | 75 | 54 | 254 | 640 | 770 | 730 | φ73*9.55 | |
| 3″ | 80 | 91 | 67 | 305 | 670 | 780 | 750 | φ89*11.15 | |
| 4″ | 100 | 117 | 92 | 406 | 775 | 910 | 885 | φ114*11.15 | |
| 5″ | 125 | 144 | 116 | 483 | 875 | 970 | 910 | φ141*12.7 | |
| 6″ | 150 | 172 | 140 | 559 | 1055 | 1190 | 998 | φ168*14.25 | |
| 8″ | 200 | 223 | 183 | 711 | 1095 | 1210 | 1138 | φ219*18.25 | |
| 10″ | 250 | 278 | 230 | 864 | 1200 | 1440 | 1448 | φ273*21.45 | |
| 12″ | 300 | 329 | 273 | 991 | 1325 | 1640 | 1631 | φ324*25.4 | |
| 14″ | 350 | 362 | 300 | 1067 | 1435 | 1845 | 1795 | φ356*27.8 | |
| 16″ | 400 | 413 | 344 | 1194 | 1613 | 2015 | 1995 | φ406*30.95 | |
| 18″ | 450 | 464 | 387 | 1346 | 1823 | 2235 | 2150 | φ457*34.95 | |
| 20″ | 500 | 516 | 432 | 1473 | 2010 | 2520 | 2446 | φ508*38.1 | |
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