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| CY13H Series Pilot Operated Pressure Reducing Valve |
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Applications
The valve is a pilot operated piston type and suit to install in the steam lines
with the high capacity of flow, such as industrial production facility and
building facility.
Features
● It is performed and controlled constantly by adopting piston guide
construction and specia seal ring.
● Possible to install in a line for wide range of pressure and capacity.
● Easy pressure adjustment by manual handle with automatic lock mechanism.
● Compact design.
Technical specification
| Item |
Parameter |
| Resistance pressure (MPa) |
1 |
1.6 |
| Shell test pressure (MPa) |
1.5 |
2.4 |
| Seal test pressure (MPa) |
1 |
1.6 |
| Max. inlet pressrure (MPa) |
1 |
1.6 |
| Outlet pressure range (MPa) |
0.04～0.6 |
0.04～1.0 |
| Pressure characteristics derivation (MPa) |
GB 12246～1989 |
| Flow characteristics derivation (MPa) |
GB 12246～1989 |
| Leakage (ml/min) |
GB 12245～1989 |
| Min. pressure differential (MPa) |
0.05 |
0.07 |
| Max. reducing rate |
20:01 |
| Type of connection |
Female thread |
Dimension
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DN
|
Port size
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L
|
H
|
H1
|
|
15
|
1/2
|
140
|
160
|
65
|
|
20
|
3/4
|
140
|
160
|
65
|
|
25
|
1
|
150
|
168
|
68
|
|
32
|
1-1/4
|
180
|
185
|
75
|
|
40
|
1-1/2
|
180
|
185
|
78
|
|
50
|
2
|
200
|
193
|
88
|
Flow coefficient (Cv)
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Orifice size(mm)
|
15
|
20
|
25
|
32
|
40
|
50
|
|
Cv
|
1
|
2.5
|
4
|
6.5
|
9
|
16
|
Materials of main parts
| Parts |
Material |
| Body&cover |
WCB |
| Seat&Disc |
2Cr13 |
| Piston |
aluminum-iron bronze |
| Spring of main valve |
50CrVA |
| Spring of pilot valve |
50CrVA |
| Diaphragm |
PH15-7Mo |
| Adjusting spring |
60Si2Mn |
| Piston ring |
Contrapositional polyphenylene |
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