Chinese Professional Safety Relief Valve - Vacuum Insulated Check Valve – Holy

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"Based on domestic market and expand overseas business" is our development strategy for Nitrogen Storage Tank , Dewar Flask , Safety Valve , With outstanding company and top quality, and an enterprise of overseas trade featuring validity and competitiveness, which will be trustworthy and welcomed by its clientele and makes joy to its employees.
Chinese Professional Safety Relief 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″.


Product detail pictures:

Chinese Professional Safety Relief Valve - Vacuum Insulated Check Valve – Holy detail pictures

Chinese Professional Safety Relief Valve - Vacuum Insulated Check Valve – Holy detail pictures


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With advanced technologies and facilities, strict good quality manage, reasonable rate, superior assistance and close co-operation with shoppers, we have been devoted to supplying the very best price for our consumers for Chinese Professional Safety Relief Valve - Vacuum Insulated Check Valve – Holy , The product will supply to all over the world, such as: Spain, Malaysia, Mongolia, Our mission is to deliver consistently superior value to our customers and their clients. This commitment permeates everything we do, driving us to continuously develop and improve our products and the processes to fulfill your needs.
  • The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Judith from Swedish - 2018.09.29 17:23
    The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Hannah from Lesotho - 2018.06.30 17:29

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