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RRHX rising stem resilient seated gate valves
 

Product introduction
 

Rising stem resilient seated gate valves special for fire protection has resilient seated gate valves's advantage and it shows the valves's opening directly so that see the valves'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

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
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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