| Yt11H strengthens the membrane type high sensitivity relief pressure valve |
| Type of the products: Yt11H |
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Structure characteristic and use :
This serial relief pressure valves consult the foreign like product and is developed , belong to the acting on type membrane spring relief pressure valve directly, its outstanding characteristic has strengthened the work areas of the diaphragm greatly , so, compare with similar relief pressure valve , the sensing that the diaphragm changes to the downstream pressure is very obvious, small changes (for example 0.01MPa ) of the downstream pressure will cause the regulation movements of the diaphragm and valve with obvious core, thus improved the steady voltage function greatly .
The products of this series are especially suitable for changing greatly in inlet pressure , export the flow to change largly, need to export the pressure better and steady pipeline. |
Main technical parameter :
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Nominal pressure (Mpa)
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1.6
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Test pressure of the shell (Mpa ) is *
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2.4
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Sealed test pressure (Mpa)
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1.6
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Supreme inlet pressure (Mpa)
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1.6
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Export to the pressure range (Mpa)
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0.03-1.0
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Characteristic deviation of the pressure (Mpa) P2P
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GB12246-1989
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P2G of characteristic deviation of the flow (Mpa )
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GB12246-1989
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Seepage amount
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GB12245-1989
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*: The shell is tested not including the diaphragm , valve are covered. |
Major part material :
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Part name
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Part material
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The valve has body The valve covering
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WCB
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Valve seat
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2Cr13
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Valve one
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2Cr13
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Valve stem
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2Cr13
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Diaphragm
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1Cr18Ni9Ti
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Regulate the spring
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60Si2Mn
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Flow coefficient (Cv ):
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DN
|
15(1/2")
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20(3/4")
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25(1")
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32(1-1/4")
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40(1-1/2")
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50(2")
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Cv
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1.2
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2.2
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4
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7
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12
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19
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Connect size:
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DN
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G
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L
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H1
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H
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D
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15(1/2")
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Rc1/2"
|
95
|
55
|
170
|
100
|
|
20(3/4")
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Rc3-4"
|
95
|
55
|
170
|
100
|
|
25(1")
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Rc1"
|
100
|
60
|
190
|
120
|
|
32(1-1/4")
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Rc1-1/4"
|
165
|
75
|
220
|
150
|
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40(1-1/2")
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Rc1-1/2"
|
190
|
90
|
250
|
180
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|
50(2")
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RG2"
|
200
|
110
|
300
|
220
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