Type: RRHX rising stem resilient seated gate valve
Features:
Predominance:
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.
Details:
RRHX rising stem resilient seated gate valve
Installation dimension drawing
RRHX rising stem resilient seated gate valve
Material List
|
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
|
.jpg)
.jpg)
