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RRHX Rising Stem Resilient Seated GateValve
Rising stem resilient seated gate valve special for fire protection has resilient seated gate valve's advantage and it shows the valve's opening directly so that see the valve's opening in a long distance and take effective actions. It opens or closes liable and quickly so it is often used in fire protection system
Material:
Serial no. |
Part |
Material |
1 |
Handwheel |
Ductile iron |
2 |
Stem nut |
Copper alloy |
3 |
Support |
Grey cast iron, ductile cast iron, cast steel |
4 |
Gland |
ductile cast iron, cast steel |
5 |
Gasket |
Buna-N rubber or EPDM |
6 |
Stem |
Stainless steel |
7 |
Gasket |
Buna-N rubber or EDPM |
8 |
Disc |
Ductile cast iron packed with rubber or EDPM outside |
9 |
Body |
Grey cast iron, ductile cast iron, cast steel |
Main technical parameters
Nominal Pressure: 1.0-2.5MPa
Working Temp.:0-120ºC
Flanged End:GB/T17241.6 GB9113,ASME 16.5 etc..
Nominal Diameter: 50-400mm
Service:water,oils,gas etc..
Inspection and Test:GB 13927 API 598
Dimensions( mm):
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
L |
178 |
190 |
203 |
229 |
254 |
267 |
292 |
330 |
356 |
381 |
406 |
Hmin(full close) |
322 |
332 |
350 |
420 |
581 |
581 |
736 |
882 |
1009 |
1300 |
1380 |
Hmax(full open) |
374 |
398 |
429 |
524 |
721 |
736 |
942 |
1013 |
1117 |
1655 |
1805 |
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