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Technical parameters of Non rising stem resilient seated gate valve
Nominal pressureú1.0~2.5MPa
Nominal diameterú50~1200mm
working temperatureú0~80æ
Applicable media: water, gas, etc
Flange standard£ºGB/T 17241.6¡¢GB/T 9113¡¢EN1092¡¢ASME B16.5
Test standard£ºGB/T 13927¡¢API 598
Material of main parts of Non rising stem elastic seat sealing gate valve
Serial number | Part name | texture of material |
1 | valve body | Ductile iron and cast steel |
2 | Ram | Nodular cast iron coated with EPDM or NBR |
3 | Hexagon socket bolt | Carbonization treatment |
4 | seal ring | Nitrile rubber |
5 | Valve cover | Ductile iron and cast steel |
6 | Stem | stainless steel |
7 | âOâ ring | Nitrile rubber |
8 | Thrust bearing | Tin bronze |
9 | Bolt | stainless steel |
10 | Gland | Ductile iron and cast steel |
11 | dust cover | Nitrile rubber |
12 | Handwheel (driving cap) | cast iron |
Design drawing of Non rising stem elastic seat seal gate valve
Main connection dimensions                                                    mm
DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | |
L | F4 | 150 | 170 | 180 | 190 | 200 | 210 | 230 | 250 | 270 | 290 | 310 | 330 | 350 | 390 |
BS | 178 | 190 | 203 | 229 | 254 | 267 | 292 | 330 | 356 | 381 | 406 | 432 | 457 | 508 | |
F5 | 250 | 270 | 280 | 300 | 325 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 800 | |
Ha | 313 | 332 | 372 | 424 | 497 | 562 | 680 | 837 | 948 | 1010 | 1220 | 1280 | 1480 | 1665 | |
Hc | 355 | 375 | 415 | 476 | 540 | 600 | 720 | 875 | 990 | 1050 | 1245 | 1310 | 1560 | 1750 |