Factory wholesale Vacuum Regulator Valve - Vacuum Insulated Check Valve – Holy

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The company upholds the philosophy of "Be No.1 in quality, be rooted on credit and trustworthiness for growth", will continue to serve old and new customers from home and overseas whole-heatedly for Vacuum Vent Valve , Vacuum Jacketed Pipe , Dewar , We keep on with supplying integration alternatives for customers and hope to create long-term, steady, sincere and mutual advantageous interactions with consumers. We sincerely anticipate your check out.
Factory wholesale Vacuum Regulator 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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Factory wholesale Vacuum Regulator Valve - Vacuum Insulated Check Valve – Holy detail pictures

Factory wholesale Vacuum Regulator Valve - Vacuum Insulated Check Valve – Holy detail pictures


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we can offer high quality products, competitive price and best customer service. Our destination is "You come here with difficulty and we give you a smile to take away" for Factory wholesale Vacuum Regulator Valve - Vacuum Insulated Check Valve – Holy , The product will supply to all over the world, such as: Norway, Bangalore, Iceland, Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our products, please do not hesitate to contact us for further information.
  • We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Carey from Algeria - 2018.06.03 10:17
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Mildred from French - 2018.11.02 11:11

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