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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Self-Pressurized Ln2 Supply Liquid Nitrogen Dewar Tank for ...
    Self-pressurizing Liquid Nitrogen (LN2) dewars are specialized stainless steel containers (often 15L to 500L+) that use internal pressure-building coils to vaporize a small amount of liquid, creating pressure to automatically dispense LN2 without external pumps. They are used for transferring liquid, supplying beamlines, and in industries like aerospace and biotech. 
    This video shows how to fill a hand dewar from a larger liquid nitrogen tank:
    Related video thumbnail
    1m
    drmcmartin
    YouTube• Feb 4, 2011
    Key Features and Operation: 
    • Pressure Building: A dedicated valve diverts LN2 into a coil, where it vaporizes and increases the pressure to push liquid out of the dispensing line.
    • Components: Typically include a pressure gauge, pressure-building valve, liquid/vent valves, and safety relief devices to prevent over-pressurization.
    • Capacity & Design: Available in various sizes, commonly 15/30L for lab use up to 500L for storage, often with wheels for mobility.
    • Safety Requirements: Requires safety glasses, face shields, and gloves due to high-pressure, extreme-cold hazards. 
    Common Uses: 
    • Transfer: Filling smaller hand dewars.
    • Industrial/Medical: Supplying cold sources to freezers, food processing, and, analytical equipment. 
    Operational Guidance: 
    1. Transfer: Connect the liquid source to the fill valve, open the vent valve, and throttle the liquid source valve.
    2. Pressurization: Open the pressure-building valve until the desired pressure (e.g., 10-25 PSI) is achieved via the built-in regulator.
    3. Safety: Ensure the relief valve is functional and the vessel is in a well-ventilated area. 
    • CH Series Self-Pressurizing Dewars - Cryofab, Inc.
      These containers can be filled from a pressurized liquid source using the following procedure: Connect the liquid source to the fi...
      Cryofab
    • Self-pressurized Liquid Nitrogen Container YDZ Series - BioBase
      Self-pressurized Liquid Nitrogen Container YDZ Series. Introduction: The Self-Pressurized Liquid Nitrogen Container is a high-perf...
      BioBase
    • Liquid Nitrogen Dewars/Tanks - Cryofab, Inc.
      Convenient Features * The ideal dewar/tank for straight cryogenic liquid dispensing. * Sizes from 15 liters to 500 liters, custom ...
      Cryofab
    • Self-Pressurized Ln2 Supply Liquid Nitrogen Dewar Tank for ...
      It is mainly used to transport and storage liquid medium and also be the cold source of other refrigeration equipment. The monitor...
      Made-in-China.com
    • How Self-Pressurizing Liquid Nitrogen Tanks Work
      Jun 21, 2025 — Self-pressurizing liquid nitrogen (LN₂) tanks are engineered to offer a safe, efficient, and user-friendly way to dispense cryogen...
      www.zpxcryocontainer.com
    • Self-Pressurized Suppliement Liquid Nitrogen Tank Series
      The Self-Pressurized LN2 Tank Series is built for low-temperature liquid nitrogen transport and storage. It features high-quality ...
      www.metherbiomedical.com
    • Filling a hand dewar with liquid nitrogen at the ALS
      Feb 4, 2011 — hi I'm going to tell you about uh filling up a liquid nitrogen. door so that we can fill the the detectors over at the infrared be...
      3m
      YouTube·drmcmartin
    • CH Series Self-Pressurizing Dewars - Cryofab, Inc.
      These containers can be filled from a pressurized liquid source using the following procedure: Connect the liquid source to the fi...
      Cryofab
    • Self-pressurized Liquid Nitrogen Container YDZ Series - BioBase
      Self-pressurized Liquid Nitrogen Container YDZ Series. Introduction: The Self-Pressurized Liquid Nitrogen Container is a high-perf...
      BioBase
    • Liquid Nitrogen Dewars/Tanks - Cryofab, Inc.
      Convenient Features * The ideal dewar/tank for straight cryogenic liquid dispensing. * Sizes from 15 liters to 500 liters, custom ...
      Cryofab
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    My Ad Center

    Web results

    Self Pressurising LN2 Dewars


    CMR-Direct
    https://www.cmr-direct.com › shop › category › all-cryo...
    CMR-Direct
    https://www.cmr-direct.com › shop › category › all-cryo...
    We provide a range of self-pressurising vessels for liquid nitrogen use. This type of dewar uses a valve to divert liquid to a boiling coil inside the vessel.Read more
    $5,362 to $8,841 · 3–7 day delivery · 28-day returns

    CH Series Self-Pressurizing Dewars


    Cryofab
    https://www.cryofab.com › Manuals
    Cryofab
    https://www.cryofab.com › Manuals
    This container is equipped with an integral pressure-building system to aid in liquid withdrawal. The pressure-building system consists of the pressure-building ...Read more

    15/30L Self-pressurized Cryogenic Liquid Nitrogen Tank ...


    eBay
    https://www.ebay.com › itm
    eBay
    https://www.ebay.com › itm
    It can be equipped with liquid nitrogen tank monitoring terminal and monitoring software, which can realize remote transmission of liquid nitrogen level  ...
    $1,386.05$1,459 · In stock · $350 delivery
    Missing: Pressurising ‎| Show results with: Pressurising

    How Self-Pressurizing Liquid Nitrogen Tanks Work


    zpxcryocontainer.com
    https://www.zpxcryocontainer.com › posts › self-pressu...
    zpxcryocontainer.com
    https://www.zpxcryocontainer.com › posts › self-pressu...
    Jun 21, 2025 — Unlike standard LN₂ storage dewars that rely on gravity or external pressurization, self-pressurizing tanks generate internal pressure on demand ...Read more
    Missing: Pressurising ‎| Show results with: Pressurising

    LN2 supply container, Self-pressurization


    Antech Scientific
    https://www.antechscientific.com › cryocenter-series-ln...
    Antech Scientific
    https://www.antechscientific.com › cryocenter-series-ln...
    A low pressure is generated by vaporizing small amount of liquid nitrogen, to discharge LN2 & supply LN2 to other containers or equipment, such as dewar, vapor ...Read more

    Cryogenic storage dewar


    Wikipedia
    https://en.wikipedia.org › wiki › Cryogenic_storage_de...
    Wikipedia
    https://en.wikipedia.org › wiki › Cryogenic_storage_de...
    A self-pressurising dewar (silver) being filled with liquid nitrogen from a larger storage tank (white). Cryogenic storage dewars can range widely in size ...Read more

    Self-Pressurized Suppliement Liquid Nitrogen Tank Series


    metherbiomedical.com
    https://www.metherbiomedical.com › self-pressurized-su...
    metherbiomedical.com
    https://www.metherbiomedical.com › self-pressurized-su...
    The Self-Pressurized LN2 Tank Series is built for low-temperature liquid nitrogen transport and storage. It features high-quality stainless steel construction.Read more

    Self-pressurized Liquid Nitrogen Container YDZ Series


    BioBase
    https://www.biobase.cc › Self-pressurized-Liquid-Nitro...
    BioBase
    https://www.biobase.cc › Self-pressurized-Liquid-Nitro...
    The Self-Pressurized Liquid Nitrogen Container is a high-performance storage and transportation solution designed to safely contain and dispense liquid nitrogen ...Read more

    Liquid nitrogen evaporating fast from storage dewar


    Reddit · r/chemistry
    10+ comments · 2 years ago
    Reddit · r/chemistry
    10+ comments · 2 years ago
    Our storage dewar is rapidly loosing liquid nitrogen. I could even see the vapour going put. Strange thing is that it is locked with padlock and only lab ...Read more

    1.6 LN2 Sources & Dewar Setup


    YouTube · inTESTthermal
    19.1K+ views · 11 years ago
    YouTube · inTESTthermal
    19.1K+ views · 11 years ago
    11:12
    I'd like to give you an overview of a typical Dewar and then explain how to set the Dewar's pressure to match your of thermal chambers requirements.
    10 key moments10 key moments in this video
    From 00:11
    Liquid Nitrogen Supply
    From 02:07
    Dewar Pressure Regulators
    From 02:31
    Pressure relief valves
    From 04:26
    PRV Operation
    From 05:01
    LN2 Valves
    From 05:57
    Setting the Dewar Pressure
    From 07:18
    PRV Mufflers
    From 08:00
    How the Dewar Works
    From 08:13
    Dewar Overview
    From 11:00
    Connecting the Dewar to the Chamber
    Missing: Pressurising ‎| Show results with: Pressurising
    inTESTthermal
    YouTube·
    Oct 24, 2014

    1.6 LN2 Sources & Dewar Setup

    YouTube·inTESTthermal·Oct 24, 2014
    YouTube
    In this video
    • 00:11
      Liquid Nitrogen Supply
    • 02:07
      Dewar Pressure Regulators
    • 02:31
      Pressure relief valves
    • 04:26
      PRV Operation
    • 05:01
      LN2 Valves
    • 05:57
      Setting the Dewar Pressure
    • 07:18
      PRV Mufflers
    • 08:00
      How the Dewar Works
    • 08:13
      Dewar Overview
    • 11:00
      Connecting the Dewar to the Chamber
    Popular products
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