RRHX rising stem resilient seated gate valve-Tonve Valve Co.,Ltd

Products>RRHX rising stem resilient seated gate valve

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 dimensionsunit: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