Technical Requirements
○ Article Name: Cryogenic Globe Valves
○ Order Information
No. Item
Requirements
Q'ty
1
DN 15
Pneumatic
Cryogenic
Globe Valves
Operating Temperature Range
Cryogenic (-196℃~50℃),
6ea
Actuator Type
Pneumatic,
Valve Type
On/Off, Normally closed
Service Fluid
LN2
PN (Nominal Pressure)
18 bar or higher
Kv 1.89
m
3/h or higher
Power Supply
DC 24V
Steam Sealing
By bellows
Leakage
To atmosphere < 1×10
-8 mbar*1/s
through seat < 1×10
-6 mbar*1/s
Seat Sealing
PCTFE
2
DN 25
Pneumatic
Cryogenic
Globe Valves
Operating Temperature Range
Cryogenic (-196℃~50℃),
6ea
Actuator Type
Pneumatic,
Valve Type
On/Off, Normally closed
Service Fluid
LN2
PN (Nominal Pressure)
25 bar or higher
Kv 8
m
3/h or higher
Power Supply
DC 24V
Steam Sealing
By bellows
Leakage
To atmosphere < 1×10
-8 mbar*1/s
through seat < 1×10
-6 mbar*1/s
Seat Sealing
PCTFE
3
DN 50
Pneumatic
Cryogenic
Globe Valves
Operating Temperature Range
Cryogenic (-196℃~50℃),
2ea
Actuator Type
Pneumatic,
Valve Type
On/Off, Normally closed
Service Fluid
LN2
PN (Nominal Pressure)
40 bar or higher
Kv 32.3
m
3/h or higher
Power Supply
DC 24V
Steam Sealing
By bellows
Leakage
To atmosphere < 1×10
-8 mbar*1/s
through seat < 1×10
-6 mbar*1/s
Seat Sealing
PCTFE
4
DN 50
Pneumatic
Cryogenic
Regulation
Valve
Operating Temperature Range
Cryogenic (-196℃~50℃),
1ea
Actuator Type
Pneumatic,
Valve Type
Regulation, Normally closed
Service Fluid
LN2
PN (Nominal Pressure)
40 bar or higher
Kv 32
m
3/h or higher
Power Supply
DV 24V
IP Regulator
4~20 mA
Steam Sealing
By bellows
Leakage
To atmosphere < 1×10
-8 mbar*l/s
through seat < 1×10
-6 mbar*l/s
Seat Sealing
PCTFE
○ All valves shall be compatible with vacuum jacketed pipe, therefore brackets (rims) for
vacuum jacket shall be welded on the valves.
○ Contractor shall provide to KARI the documents of Certificate of Conformity (CoC), LN2
test results, leak test results and manual on the delivery of above Items
○ Delivery Date : Within 12Weeks After Receipt of Order
○ Warranty Period : 1 year after the delivery of Items
