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| Product introduction
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 |
Greycast iron,ductile cast iron,cast steel |
Main technic-al parameters
Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged end:GB/T17241.6 GB9113,ASME 16.5 etc..
Nominal diameter: 50-400mmService:water,oils,gas etc..Inspection and test:GB 13927 API 598
Main dimensions unit: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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