Rising stem resilient gate valve (RRHX) product introduction
Rising stem resilient gate valve has general resilient seated gate valve's advantages and at the same time can show the valve's opening directly. It can open or close reliably and quickly so is widely used in fire protection and industry system. Generally, the valve is installed in the high position to the ground.
Rising stem resilient gate valve (RRHX) main technical parameters
Nominal pressure: 1.0-2.5MPa
Working temp.:0-120℃
Flanged end: GB/T17241.6 GB9113
Nominal diameter: 50-400mm
Service: water, oils, gas etc.
Inspection and test: GB 13927 API 598
Rising stem resilient gate valve (RRHX) material
| Serial no. | Part | Material |
| 1 | Hand wheel | Ductile iron |
| 2 | Stem nut | Copper alloy |
| 3 | Support | Grey cast iron, ductile cast iron, caststeel |
| 4 | Gland | ductile cast iron, cast steel |
| 5 | Gasket | Buna-N rubber or DM |
| 6 | Stem | Stainless steel |
| 7 | Gasket | Buna-N rubber or PM |
| 8 | Disc | Ductile cast iron packed withrubber or PM outside |
| 9 | Body | Grey cast iron, ductile cast iron, caststeel |
Rising stem resilient gate valve(RRHX) main dimensions
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| L | 178 | 190 | 203 | 229 | 254 | 267 | 292 | 330 | 356 | 381 | 406 | 432 | 457 | 508 |
| H (min)(full close) | 313 | 332 | 372 | 424 | 497 | 562 | 680 | 837 | 948 | 1010 | 1220 | 1280 | 1480 | 1665 |
| H (max)(full open) | 355 | 375 | 415 | 476 | 540 | 600 | 720 | 875 | 990 | 1050 | 1245 | 1310 | 1560 | 1750 |
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