Cryogenic Cylinder

Cryogenic Cylinder
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Cryogenic Cylinder
Cryogenic Cylinder
Cryogenic Cylinder
Cryogenic Cylinder
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Product Overview

CRYO-TECH's Cryogenic Insulated Cylinders (Dura Cylinders) are advanced storage solutions designed for efficient handling of cryogenic liquids such as liquid nitrogen (LN₂), oxygen (LO₂), argon (LAr), liquefied natural gas (LNG), and carbon dioxide (LCO₂). These cylinders offer superior thermal insulation and safety features, ensuring minimal evaporation loss and reliable performance across industrial, medical, and energy sectors.

 

Key Features

  1. High-Efficiency Insulation: Vacuum multi-layer insulation technology reduces daily evaporation rates to industry-leading levels.
  2. Stainless Steel Construction: Full 304 stainless steel body ensures durability and corrosion resistance.
  3. Lightweight Design: Integrated protective frames enable easy transportation while safeguarding against damage.
  4. Precision Control: Upgraded digital / mechanical liquid level gauges provide real-time volume monitoring.
  5. Safety Compliance: Dual safety valves (optional for LNG), pressure relief systems, and burst discs meet international standards (ASME, CE, GB).
  6. Versatile Configurations: Available in vertical (DPL450 / 700 / 900) and horizontal (DPW650) designs with customizable pressure ratings (MP / HP / VHP).

 

Technical Specifications

Model Series DPL450 DPL700 / 900 DPW650 (Horizontal)
Geometric Volume (L) 110 – 236 410 – 1000 410 / 499
Effective Volume (L) 99 – 212.4 369 – 920 369 / 449
Working Pressure (MPa) 1.59 – 3.45 1.59 – 3.79 1.44 – 2.5
Daily Evaporation Rate ≤1.3 – 2.74% (LN₂) ≤1.7 – 1.8% (LN₂) ≤1.15 – 1.8% (LN₂)
Gas Flow Rate (Nm³/h) 4 – 11 (O₂ / N₂ / Ar) 15 – 55 (O₂ / N₂ / Ar) 20 – 85 (O₂ / N₂ / Ar)
Empty Weight (kg) 90 – 173 234 – 864 296 – 394
Dimensions (mm) 1088 – 1867 (H) 1785 – 2270 (H) 1777×800×1030 (L×W×H)
Material 304 Stainless Steel 304 Stainless Steel 304 Stainless Steel

 

CYRO-TECH supply different kinds of Dewar Cylinders including: liquid oxygen dewar, liquid nitrogen dewar, liquid argon dewar, liquid carbon dioxide dewar & LNG dewar.

 

1. Industrial Gas Cryogenic Cylinder

 

Specification: 175L / 195L / 210L / 480 / 500 / 785 and other non-standard

Medium: LOX / LAR / LIN

Working pressure: 1.4 MPa / 1.6 MPa / 2.0 MPa / 3.5 MPa

Insulating mode: Super Vacuum Multi-Layer

This is applied to store, transport the liquefied gas for scientific research, chemical, electronic industries. We use unique technology to control whole production process under the strict quality guaranty system.

 

2. LNG Welded Cylinder

 

Specification: 175L / 195L / 210L / 410L and other non-standard

Medium: LNG

Working pressure: ≤1.6 MPa

Insulating mode: Super Vacuum Multi-Layer

It applies to store and transport LNG in supply chain.

 

Size mm（Dia×Ht） 506×1485
Weight Kg ≈111
Working pressure MPa 1.4
Safety valve open pressure MPa 1.6
Rupture disc pressure MPa 2.6
G.vol L 175
E.vol L 160
Max loading KG LOX 177
LAR 217
LIN 126
LNG 66
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1485
Weight Kg ≈125
Working pressure MPa 2
Safety valve open pressure MPa 2.4
Rupture disc pressure MPa 3.6
G.vol L 175
E.vol L 160
Max loading KG LOX 173
LAR 212
LIN 123
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1620
Weight Kg ≈116
Working pressure MPa 1.4
Safety valve open pressure MPa 1.6
Rupture disc pressure MPa 2.6
G.vol L 195
E.vol L 180
Max loading KG LOX 197
LAR 241
LIN 140
LNG 73
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1620
Weight Kg ≈132
Working pressure MPa 2
Safety valve open pressure MPa 2.4
Rupture disc pressure MPa 3.6
G.vol L 195
E.vol L 180
Max loading KG LOX 197
LAR 241
LIN 140
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1725
Weight Kg ≈125
Working pressure MPa 1.4
Safety valve open pressure MPa 1.6
Rupture disc pressure MPa 2.6
G.vol L 210
E.vol L 195
Max loading KG LOX 214
LAR 261
LIN 152
LNG 82
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1725
Weight Kg ≈141
Working pressure MPa 2
Safety valve open pressure MPa 2.4
Rupture disc pressure MPa 3.6
G.vol L 210
E.vol L 195
Max loading KG LOX 214
LAR 261
LIN 152
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 506×1725
Weight Kg ≈186
Working pressure MPa 3.5
Safety valve open pressure MPa 4.2/6.3
Rupture disc pressure MPa 6.3
G.vol L 210
E.vol L 195
Max loading KG LOX 181
LAR 218
LIN 116
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Buoy type
Surface Polishing
Size mm（Dia×Ht） 666×938×2105
Weight Kg ≈328
Working pressure MPa 1.6
Safety valve open pressure MPa 1.92/2.4
Rupture disc pressure MPa /
G.vol L 410
E.vol L 369
Max loading KG LOX /
LAR /
LIN /
LNG 157
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Digital type
Surface Polishing
Size mm（Dia×Ht） 706×1011×2130
Weight Kg ≈382
Working pressure MPa 1.6
Safety valve open pressure MPa 1.92/2.4
Rupture disc pressure MPa 2.88
G.vol L 480
E.vol L 432
Max loading KG LOX 413
LAR 499
LIN 264
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Digital type
Surface Polishing
Size mm（Dia×Ht） 756×1001×2198
Weight Kg ≈393
Working pressure MPa 1.6
Safety valve open pressure MPa 1.92/2.4
Rupture disc pressure MPa 2.88
G.vol L 500
E.vol L 450
Max loading KG LOX 490
LAR 575
LIN 340
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Digital type
Surface Polishing
Size mm（Dia×Ht） 706×1011×2130
Weight Kg ≈526
Working pressure MPa 3.5
Safety valve open pressure MPa 4.2/6.3
Rupture disc pressure MPa 6.3
G.vol L 480
E.vol L 432
Max loading KG LOX 413
LAR 499
LIN 264
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Digital type
Surface Polishing
Size mm（Dia×Ht） 706×1011×2130
Weight Kg ≈745
Working pressure MPa 1.2
Safety valve open pressure MPa 1.26/1.39
Rupture disc pressure MPa 1.39
G.vol L 785
E.vol L 746
Max loading KG LOX 713
LAR 861
LIN 455
LNG /
Air transfer rate In a row：9.2M3/h， incontinuity ：40M3/h
（in 5 minutes）  
(also could be liquid outlet directly）
Level gauge type Digital type
Surface Polishing

 

Product Applications

  • Industrial Gas Supply: Welding, metal fabrication, and chemical processes.
  • Medical & Research: Liquid oxygen storage for hospitals and cryogenic preservation.
  • Energy Sector: LNG refueling stations and natural gas distribution.
  • Food & Beverage: CO₂ storage for carbonation and freezing applications.

 

Optional Configurations

  • Vaporizer Options: Built-in or external vaporizers for gas conversion.
  • Frame Types: Wheeled or stationary frames for mobility.
  • Pressure Ratings: Medium (MP), High (HP), or Ultra-High (VHP) pressure models.
  • Safety Features: Explosion-proof valves and dual safety systems for LNG.

 

CRYO-TECH Quality Assurance

  • ISO 9001 certified manufacturing processes.
  • Third-party certifications (ASME, CE, CCS) available upon request.
  • 18+ years of market validation with global customers.

Engineered for efficiency and safety, CRYO-TECH's Cryogenic Insulated Cylinders deliver reliable cryogenic storage solutions for diverse industrial needs.

 

 

 

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