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Cryogenic Globe Valve

Cryogenic Globe Valve

The main feature of the cryogenic globe valve is its special material and structural design to cope with the embrittlement of metal materials in low temperature environments. Commonly used valve body materials include stainless steel, bronze and other metals with excellent low temperature performance, which can maintain good mechanical properties at extremely low temperatures.
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Facing the special working conditions of cryogenic media, the cryogenic globe valve uses cryogenic resistant metal materials and special sealing design to ensure that the valve can still provide excellent sealing performance and reliability in extremely low temperature environments. Its design can not only cope with the embrittlement effect of cryogenic media on metal materials, but also effectively isolate the contact between the operating part and the cryogenic media, avoiding operational failures caused by too low temperature, and improving the overall safety of use.

 

 

Cryogenic Globe Valve

●Valve core: stainless steel 06Cr19Ni10 (two-way), HPb59-1 (three-way)
●Valve stem seal: four-layer V-type and O-type combined nitrile rubber seal, polytetrafluoroethylene sealing sleeve
●Valve stem: stainless steel 06Cr19Ni10
●Valve body, valve cover material: HT250
●Nominal pressure (PN): 1.6MPa
●Working medium: water, fluid temperature 5~95℃
●Valve leakage: ≤0.03%KV
●Flange standard: GB/T 17241.6 PN16

DDF-S-H

 

Product Features

 

IMG974343

Long stem design: The special long stem design effectively isolates the low-temperature medium, prevents the low temperature from being transmitted to the handle and operating part, and protects the operator.


Excellent sealing performance: The use of low-temperature special sealing materials and flexible graphite ensures good sealing performance at extremely low temperatures to prevent medium leakage.

 


Strong corrosion resistance: Since the medium is mostly corrosive under low-temperature conditions, the valve body material usually has good corrosion resistance and is suitable for long-term use.

 

 

FAQ

 

1.Why is the handwheel operation of the cryogenic shut-off valve still flexible at low temperatures?
The valve stem extension design and specific lubricating materials ensure that the handwheel will not be frozen or stuck at low temperatures, maintaining operational flexibility.

 

2.How is the pressure resistance of the cryogenic globe valve?
Cryogenic shut-off valves usually have a higher pressure resistance and can withstand the flow of cryogenic media under high pressure, and are suitable for high-pressure and low-temperature working conditions.

 

3.Is the maintenance of cryogenic shut-off valves more complicated than conventional valves?
No. The design of the cryogenic shut-off valve enables it to operate reliably in low-temperature environments, but the condition of the seal and valve stem needs to be checked regularly.

 

4.How does the cryogenic shut-off valve perform in a vibrating environment?
The cryogenic shut-off valve has a compact design and can resist a certain degree of vibration, but the installation stability of the valve still needs to be ensured.

 

5.Is there a directional requirement for the installation of the cryogenic shut-off valve?
Yes. During installation, it is necessary to ensure that the flow direction of the medium is consistent with the flow direction arrow on the valve body to ensure the best working performance of the valve.

 

 

 

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