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  • Liquid Dewar Cylinder Dpl450 550 Series - China

    price: contact company for price

    The Liquid Dewar Cylinder DPL450/550 Series is a high-performance stainless steel pressure vessel featuring superior vacuum insulation.

    It is designed for the storage, transportation, and use of liquid gases such as liquid oxygen, liquid nitrogen, liquid argon, and carbon dioxide.

    Since its invention over 100 years ago, Dewar cylinders have revolutionized the storage and transport of liquefied gases, offering more than five times the efficiency of traditional steel gas cylinders.

    The DPL450/550 Series from SERLNG, developed over a decade of continuous innovation, now includes dozens of specifications, suitable for various applications.

    With years of market validation, it has earned high customer satisfaction, and its performance indicators meet or exceed industry standards.

    Industrial Gas Cylinder Advantage

    304 Stainless Steel Structure: Durable, corrosion-resistant, and easy to maintain.

    Reinforced Body & Special Shock-Absorbing Base: Designed to extend the cylinder's lifespan, even under challenging conditions.

    Upgraded Electronic Level Indicator: Offers intuitive, accurate, and convenient usage.

    Superior Insulation Performance: Beyond standard insulation capabilities, this helps extend storage time and reduce costs.

    Comprehensive Product Range: Available in multiple sizes to meet diverse application needs.

    Multiple Tests: Each liquid Dewar flask will undergo two tests: static evaporation rate test, liquid filling test, air tightness test, and cylinder pressure test to ensure the quality of our products.

    The DPL450/550 Series is widely used across various industries including:

    Industrial: For the storage and supply of liquefied gases such as liquid oxygen, nitrogen, and argon, meeting the needs of metal cutting, welding, nitrogen protection, and more.

    Medical: To store medical liquid oxygen, ensuring a stable oxygen supply for healthcare institutions.

    Scientific & Research: Used for storing laboratory reagents, cryogenics, and low-temperature physics experiments.

    Food Preservation: Ideal for storing and freezing food to maintain freshness.

    With its large capacity, high gas utilization rate, and ease of operation, the DPL450/550 Series Dewar cylinder is widely recognized for its reliability and efficiency in numerous fields.


    Company Contact:


    • Phone: 13761782975

    • Address: No. 106, Hongtong Road, Jiangyin , Jiangsu , China

    • Email: Email


    Published date: August 31, 2025

    • Business Description: SERLNG is dedicated to providing engineered cryogenic products and services in the industrial gas, life sciences and green energy markets.

      We are committed to customers by providing broad product lines, advanced technologies and continuous innovation.

      As our company name indicates, we want to be GREEN in all our endeavors, and embed ESG in our ecosystem.

      Our Products:

      - Liquid Dewar Cylinder Dpl450 550 Series

      - Micro Tank Series

      - Liquid Oxygen Dewar Dpl700 900 Series

      - Horizontal Liquid Dewar Cylinder Dpw650 Series

      - Lng Dispensers

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