RVHXRVCX non rising stem resilient seated tap water in dustry, sewage treatment, shipping, construction, petroleum, chemicals, food, pharmacy, textile, electric power, metallurgy power station valve
The valve disc is rubber-packed to get excellent sealing effect by the rubber's resilient deformation.Non-rising resilient seated gate valve solves the problem in general gate valve such as leakage, rusting etc. and saves installation space.It is widely used in tap water in dustry, sewage treatment, shipping, construction, petroleum, chemicals, food, pharmacy, textile, electric power, metallurgy and energy system's pipeline to adjust and shut off fluid.
Main material
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Serial no.
|
part
|
material
|
1
|
Body
|
Grey cast iron, ductile cast iron, cast steel
|
2
|
Disc
|
Ductile cast iron packed with rubber or EDPM outside
|
3
|
Bolt
|
Carbonized treatment
|
4
|
Gasket
|
Buna-N rubber or EDPM
|
5
|
Cover
|
Grey cast iron, ductile cast iron, cast steel
|
6
|
Stem
|
tainless steel
|
7
|
O-ring
|
Buna-N rubber or EPDM
|
8
|
Thrust bearing
|
Gunmetals
|
9
|
Bolt
|
Stainless steel
|
10
|
Gland
|
ductile cast iron, cast steel
|
11
|
Dust proof gasket
|
Buna-N rubber
|
12
|
Handwheel(transmission cap)
|
Cast iron
|
Main technic-al parameters
|
Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged end:GB/T17241.6 GB9113
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
|
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
|
|
|