2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Check Valve – Holy

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2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Check Valve – Holy Detail:

Product Application

The product series of Vacuum Valve, Vacuum Pipe, Vacuum Hose and Phase Separator in HL Cryogenic Equipment Company, which passed through a series of extremely strict technical treatments, are used for transferring of liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid helium, LEG and LNG, and these products are serviced for cryogenic equipment (e.g. cryogenic storage tank, dewar and coldbox etc.) in industries of air separation, gases, aviation, electronics, superconductor, chips, pharmacy, biobank, food & beverage, automation assembly, chemical engineering, iron & steel, and scientific research etc.

Vacuum Insulated Shut-off Valve

The Vacuum Insulated Check Valve, namely Vacuum Jacketed Check Valve, is used when liquid medium is not allowed to flow back.

Cryogenic liquids and gases in the VJ pipeline are not allowed to flow back when cryogenic storage tanks or equipment under safety requirements. The backflow of cryogenic gas and liquid may cause excessive pressure and damage to equipment. At this time, it is necessary to equip the Vacuum Insulated Check Valve at the appropriate position in the vacuum insulated pipeline to ensure that the cryogenic liquid and gas will not flow back beyond this point.

In the manufacturing plant, Vacuum Insulated Check Valve and the VI pipe or hose prefabricated into a pipeline, without on-site pipe installation and insulation treatment.

For more personalized and detailed questions about the VI Valve series, please contact HL Cryogenic Equipment Company directly, we will serve you whole-heartedly!

Parameter Information

Model HLVC000 Series
Name Vacuum Insulated Check Valve
Nominal Diameter DN15 ~ DN150 (1/2″ ~ 6″)
Design Temperature -196℃~ 60℃ (LH2 & LHe:-270℃ ~ 60℃)
Medium LN2, LOX, LAr, LHe, LH2, LNG
Material Stainless Steel 304
On-site Installation No,
On-site Insulated Treatment No

HLVC000 Series, 000 represents the nominal diameter, such as 025 is DN25 1″ and 150 is DN150 6″.


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2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Check Valve – Holy detail pictures

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Check Valve – Holy detail pictures


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It truly is a great way to improve our merchandise and repair. Our mission should be to create imaginative products to prospects with a excellent knowledge for 2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Check Valve – Holy , The product will supply to all over the world, such as: Bangalore, Vancouver, Dominica, We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
  • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Anna from Paraguay - 2017.09.09 10:18
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Alan from Slovenia - 2017.10.27 12:12

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