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RRHX rising stem resilient gate valves
 

Product introduction
 

Rising stem resilient gate valves has general resilient seated gate valves's advantage and at the same time can show the valves's opening directly.It can open or close liable and quickly so is widely used in fire protection and industry system Generally the valves is installed in high position to the ground.


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

Typical installation diagram
 

Main technic-al parameters
 

Nominal pressure: 1.0-2.5MPaWorking temp.:0-120℃Flanged 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 80 100 125 150 200 250 300 350 400 450 500 600
L 178 190 203 229 254 267 292 330 356 381 406 432 457 508
Hmin(full close) 313 332

372

424 497 562 680 837 948 1010 1220 1280 1480 1665
Hmax(full open) 355 375 415 476 540 600 720 875 990 1050 1245 1310 1560 1750


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