Chuanli Holdings Co., Ltd
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    18040551366
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    No. 422, Road 22, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province
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Piston type pressure reducing and stabilizing valve Y42X
Piston type pressure reducing and stabilizing valve Y42X
Product details

Piston type pressure reducing and stabilizing valve Y42X

活塞式减压稳压阀Y42X
Y42XSpring diaphragm reducing valveIt belongs to the direct acting thin film spring pressure reducing valve. The Y42X spring diaphragm pressure reducing valve is mainly composed of regulating spring, diaphragm, piston, valve seat, valve disc and other parts. By using a diaphragm to directly sense downstream pressure and drive the valve disc, the opening of the valve disc is controlled to achieve the function of pressure reduction and stabilization.
The Y42X spring film pressure reducing valve can replace conventional partitioned water pipes and save equipment in the cold and hot water supply systems of urban and high-rise buildings. It can also play a role in reducing pressure and stabilizing pressure in typical hot and cold water pipe networks.
Y42X direct acting thin film spring pressure reducing valve has smooth pressure regulation and stabilization action, suitable for pipelines with water and non corrosive liquid media.
Main technical parameters
Nominal pressure (Mpa)
1.0
1.6
2.5
Shell test pressure (Mpa)*
1.5
2.4
3.75
Sealing test pressure (Mpa)
1.0
1.6
2.5
Maximum import pressure (Mpa)
1.0
1.6
2.5
Export pressure range (Mpa)
0.2-0.8
0.2-1.0
0.4-1.6
Pressure characteristic deviation (Mpa) △ P2P
GB12244-1989
Flow characteristic deviation (Mpa) P2G
GB12244-1989
Leakage rate
0
operation temperature
0℃-80℃
*Shell test does not include diaphragm and valve cover
Material for main parts


Part name
Part Material
Valve body, valve cover, bottom cover
WCB
valve seat
2Cr13
Valve flap
2Cr13
valve stem
2Cr13
LINER
2Cr13/25 (hard chrome plating)
piston
2Cr13
o-ring
Nitrile rubber
sealing ring
Nitrile rubber
diaphragm
Nitrile rubber sandwiched fabric
Adjusting spring
60Si2Mn
Flow coefficient Cv


DN
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
500
Cv
1
2.5
4
6.5
9
16
25
36
64
100
140
250
400
570
780
1020
1500
Main overall dimensions

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Nominal diameter DN
External dimensions
L
H
Hl
15
160
225
90
20
160
265
98
25
180
265
110
32
200
265
110
40
220
320
125
50
250
320
125
65
280
325
130
80
310
385
160
100
350
385
170
125
400
430
200
150
450
430
210
200
500
560
240
250
650
690
290
300
800
800
335
350
850
880
375
400
900
980
405
450
900
1100
455
500
950
1130
465


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