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Check Valve DN25(1") H75
Connection outlet:
socket end
Connection inlet:
LOETMUFFE
Connection dimension outlet:
35
Connection dimension inlet:
35
CV-Value:
14,1 gal/min
Kvs-value:
12.1 MQH
Nominal pressure:
PN 50
nominal size:
DN 32
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05412.3235.0001
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Check Valve DN50(2") H95
Connection outlet:
welding end
Connection inlet:
welding end
Connection dimension outlet:
70,0 X 2,9
Connection dimension inlet:
70,0 X 2,9
CV-Value:
82,7 gal/min
Kvs-value:
71.1 MQH
Nominal pressure:
PN 50
nominal size:
DN 65
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05414.6570.0001
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Check Valve DN80(3") H150
Connection outlet:
welding end
Connection inlet:
welding end
Connection dimension outlet:
88,9 X 3,2 / 3'' S10
Connection dimension inlet:
88,9 X 3,2 / 3'' S10
CV-Value:
120,9 gal/min
Kvs-value:
104.0 MQH
Nominal pressure:
PN 50
nominal size:
DN 80
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05414.8088.0007GR
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Check Valve DN200(8") H285
Check Valve DN200(8") H285
Connection outlet:
socket weld
Connection inlet:
socket weld connection
Connection dimension outlet:
219,1
Connection dimension inlet:
219,1
CV-Value:
786,0 gal/min
Kvs-value:
680.0 MQH
Nominal pressure:
PN 25
nominal size:
DN 200
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05414.0219.0004
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Check Valve DN10(3/8") H71
Connection outlet:
metric male thread
Connection inlet:
male thread for metric
Connection dimension outlet:
M26 X 1,5
Connection dimension inlet:
M26 X 1,5
CV-Value:
1,9 gal/min
Kvs-value:
2.2 MQH
Nominal pressure:
PN 50
nominal size:
DN 10
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05411.0100.0001
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Check Valve DN50(2") H95
Connection outlet:
welding end
Connection inlet:
welding end
Connection dimension outlet:
2.1/2'' S10
Connection dimension inlet:
2.1/2'' S10
CV-Value:
82,7 gal/min
Kvs-value:
71.1 MQH
Nominal pressure:
PN 50
nominal size:
DN 65
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05414.6573.0001
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Check Valve DN150(6") H215
Connection outlet:
flange ASME B16.5
Connection inlet:
flange ASME B16.5
Connection dimension outlet:
6'' CL300
Connection dimension inlet:
6'' CL300
CV-Value:
401,8 gal/min
Kvs-value:
350.0 MQH
Nominal pressure:
PN 40
nominal size:
DN 150
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05419.6000.0003
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Check Valve DN10(3/8") H71
Connection outlet:
socket weld
Connection inlet:
socket weld connection
Connection dimension outlet:
12
Connection dimension inlet:
12
CV-Value:
1,9 gal/min
Kvs-value:
1.6 MQH
Nominal pressure:
PN 50
nominal size:
DN 10
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05414.1012.0004
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Check Valve DN10(3/8") H71
Connection outlet:
female thread NPT
Connection inlet:
female thread NPT
Connection dimension outlet:
3/8''
Connection dimension inlet:
3/8''
CV-Value:
1,9 gal/min
Kvs-value:
2.2 MQH
Nominal pressure:
PN 50
nominal size:
DN 10
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05413.0300.0006
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Check Valve DN40(1 1/2") H95
Connection outlet:
LOETKUGELBUCHSE
Connection inlet:
LOETKUGELBUCHSE
Connection dimension outlet:
42
Connection dimension inlet:
42
CV-Value:
23.9 gal/min
Kvs-value:
20.6 MQH
Nominal pressure:
PN 50
nominal size:
DN 40
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05411.4042.0008
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Check Valve DN50(2") H90
Connection outlet:
flange ASME B16.5
Connection inlet:
flange ASME B16.5
Connection dimension outlet:
2'' CL150
Connection dimension inlet:
2'' CL150
CV-Value:
43,2 gal/min
Kvs-value:
37.1 MQH
Nominal pressure:
CL150
nominal size:
DN 50
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05419.2000.0001
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Check Valve DN10(3/8") H71
Connection outlet:
female thread BSPP
Connection inlet:
female thread BSPP
Connection dimension outlet:
1/4''
Connection dimension inlet:
1/4''
CV-Value:
1,9 gal/min
Kvs-value:
2.2 MQH
Nominal pressure:
PN 50
nominal size:
DN 10
cleaned for oxygen service:
ISO 23208
Maximum allowable temperature:
120.0 °C
Maximum allowable temperature:
-196.0 °C
Article-No.: 05417.0200.0001
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302 Products
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Check valve

A cryogenic check valve is used to safeguard against unwanted backflow in pipelines, as it allows the flow of gases or liquids in one direction only. Cryogenic check valves are available in sizes DN10 to DN200 and safeguard pressures up to 50 bar, at operating temperatures from -196°C up to +120°C.