Wholesale China Perlite Expanded Horticulture Perlite 2-3mm, 1-2mm, 4-6mm

Short Description:

Vacuum Jacketed Check Valve, is used when liquid medium is not allowed to flow back. Cooperate with other products of the VJ valve series to achieve more functions.


Product Detail

Product Tags

The corporation upholds the philosophy of “Be No.1 in good quality, be rooted on credit history and trustworthiness for growth”, will continue to serve outdated and new shoppers from home and abroad whole-heatedly for Wholesale China Perlite Expanded Horticulture Perlite 2-3mm, 1-2mm, 4-6mm, We guaranteed high-quality, if clients were not pleased together with the products’ good quality, you can return inside of 7days with their original states.
The corporation upholds the philosophy of “Be No.1 in good quality, be rooted on credit history and trustworthiness for growth”, will continue to serve outdated and new shoppers from home and abroad whole-heatedly for China Perlite Expanded, Perlite, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We now have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

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″.The corporation upholds the philosophy of “Be No.1 in good quality, be rooted on credit history and trustworthiness for growth”, will continue to serve outdated and new shoppers from home and abroad whole-heatedly for Wholesale China Perlite Expanded Horticulture Perlite 2-3mm, 1-2mm, 4-6mm, We guaranteed high-quality, if clients were not pleased together with the products’ good quality, you can return inside of 7days with their original states.
Wholesale China Perlite Expanded, Perlite, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We now have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.


  • Previous:
  • Next:

  • Leave Your Message