2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy

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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way for Cryogenic Tank , Vacuum Jacket , Vacuum Jacketed Pipe , Good quality is factory' existence , Focus on customer' demand is the source of company survival and advancement, We adhere to honesty and superior faith working attitude, hunting forward towards your coming !
2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy Detail:

Product Application

HL Cryogenic Equipment’s vacuum jacketed valves, vacuum jacketed pipe, vacuum jacketed hoses and phase separators are processed through a series of extremely rigorous processes for the transport 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 tanks and dewars etc.) in industries of air separation, gases, aviation, electronics, superconductor, chips, pharmacy, cellbank, food & beverage, automation assembly, rubber products and scientific research etc.

Vacuum Insulated Pneumatic Shut-off Valve

The Vacuum Insulated Pneumatic Shut-off Valve, namely Vacuum Jacketed Pneumatic Shut-off Valve, is one of the common series of VI Valve. Pneumatically controlled Vacuum Insulated Shut-off / Stop Valve to control the opening and closing of main and branch pipelines. It is a good choice when it is necessary to cooperate with PLC for automatic control or when the valve position is not convenient for personnel to operate.

The VI Pneumatic Shut-off Valve / Stop Valve, simply speaking, is put a vacuum jacket on the cryogenic Shut-off Valve / Stop valve and added a set of cylinder system. In the manufacturing plant, VI Pneumatic Shut-off Valve and the VI Pipe or Hose are prefabricated into one pipeline, and there is no need for installation with pipeline and insulated treatment on site.

The VI Pneumatic Shut-off Valve can be connected with PLC system, with more other equipment, to achieve more automatic control functions.

Pneumatic or electric actuators can be used to automate the operation of the VI Pneumatic shut-off Valve.

About VI valve series more detailed and personalized questions, please contact HL cryogenic equipment directly, we will serve you wholeheartedly!

Parameter Information

Model HLVSP000 Series
Name Vacuum Insulated Pneumatic Shut-off Valve
Nominal Diameter DN15 ~ DN150 (1/2″ ~ 6″)
Design Pressure ≤40bar (4.0MPa)
Design Temperature -196℃~ 60℃ (LH2 & LHe:-270℃ ~ 60℃)
Cylinder Pressure 3bar ~ 14bar (0.3 ~ 1.4MPa)
Medium LN2, LOX, LAr, LHe, LH2, LNG
Material Stainless Steel 304
On-site Installation No, connect to air source.
On-site Insulated Treatment No

HLVSP000 Series, 000 represents the nominal diameter, such as 025 is DN25 1″ and 100 is DN100 4″.


Product detail pictures:

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy detail pictures

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy detail pictures

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy detail pictures

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy detail pictures

2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy detail pictures


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We emphasize advancement and introduce new products into the market each year for 2021 China New Design Liquid Nitrogen Safety Valve - Vacuum Insulated Pneumatic Shut-off Valve – Holy , The product will supply to all over the world, such as: Ukraine, Bandung, Iraq, We attained ISO9001 which provides solid foundation for our further development. Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments. It is our great honor to meet your demands. We are sincerely expecting your attention.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Sophia from Netherlands - 2017.11.20 15:58
    The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Tony from UK - 2018.09.23 18:44