MicroBulk Cylinder Systems for Laboratories, Clinics, and Universities
MicroBulk systems are compact, cost-effective cryogenic storage solutions designed for on-site liquid gas storage and refilling. Compared with conventional bulk tanks, a microbulk cylinder requires less installation space while still providing a stable and continuous supply of high-purity gases for institutional and industrial facilities.
Microbulk cylinder systems are suitable for storing and supplying a wide range of industrial and specialty gases, including oxygen, nitrogen, argon, carbon dioxide, nitrous oxide (N₂O), and liquefied natural gas (LNG). Their modular design makes them particularly well suited for laboratories, medical facilities, universities, and mid-scale industrial users with moderate gas consumption.
Engineered for high-pressure and high-flow operation, microbulk cylinder systems support demanding applications such as laser cutting, metal fabrication, precision welding, scientific research, medical oxygen delivery, food and beverage processing, electronics manufacturing and testing, and inert gas purging and blanketing.
MicroBulk Cylinder Specifications
| Model: CDLS-2/2.6 Insulation Type: Multi-layer Insulation (MLI) |
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| No. | Item | Inner Vessel | Outer Vessel |
| 1 | Design Pressure (MPa) | 2.8 | -0.1 |
| 2 | Working Pressure (MPa) | 2.6 | -0.1 |
| 3 | Maximum Allowable Working Pressure (MAWP, MPa) | 2.8 | — |
| 4 | Design Temperature (°C) | -196 | -19 ~ 50 |
| 5 | Operating Temperature (°C) | ≥ -196 | Ambient |
| 6 | Hydrostatic Test Pressure (MPa) | 4.35 | HLD |
| 7 | Geometric Volume (m³) | 2.1 | 1.38 (Interlayer) |
| 8 | Effective Volume (m³) | 2.0 | — |
| 9 | Applicable Medium | LIN / LOX / LAR | Vacuum + MLI |
| 10 | Main Material | S30408 | S30408 |
| 11 | Surface Treatment | Pickling and Passivation | Sandblasting (Sa 2.5) + Coating |
| 12 | Corrosion Allowance (mm) | 0 | 0 |
| 13 | Weld Joint Efficiency | 1.0 | 0.85 |
| 14 | Maximum Filling Ratio | 95% | — |
| 15 | Static Evaporation Rate (%/day) | LN₂ ≤ 0.7; LO₂ ≤ 0.45; LAR ≤ 0.49 | |
| 16 | Vacuum Degree After Sealing (Pa) | ≤ 0.01 | |
| 17 | Interlayer Leak Rate | ≤ 1 × 10⁻⁹ Pa·m³/s | |
| 18 | Diameter (mm) | Φ1200 | Φ1402 |
| 19 | Overall Dimensions (mm) | Φ1402 × 2690 | |
| 20 | Installation Type | Vertical | |
| 21 | Tare Weight (kg) | Approx. 1480 | |
| 22 | Maximum Filled Weight (kg) | Approx. 4300 (LAR) | |
| 23 | Design Service Life | 15 years | |
| 24 | Safety Valve Set Pressure (MPa) | 2.75 | |
| 25 | Maximum Medium Density (kg/m³) | 1410 (LAR) | |
| 26 | Coating Thickness (µm) | — | |
| 27 | Inner Vessel Dispatch Pressure (MPa) | 0.03 | |
| 28 | Design Code | GB Standards | |
Benefits of the compact bulk storage system
Compact Design: Miniature bulk storage systems are designed to occupy less space compared to full-scale bulk storage systems.
Reduced Storage Capacity: Miniature bulk storage systems have a smaller capacity than standard ones. They typically hold a moderate quantity of cryogenic liquid, ranging from a few hundred to several thousand litres.
Vessel Insulation: Bulk tanks in miniatures, like their full-scale counterparts, use vacuum-insulated storage vessels to maintain low temperatures, minimise heat transfer, and reduce cryogenic liquid loss.
Pressure Control: Gas storage tanks in Miniature have a pressure-building system to maintain the required pressure, ensuring a steady supply and consistent flow of liquid argon during withdrawal.
Safety Features: Safety is a crucial aspect of microbulk systems. They incorporate safety features such as pressure relief devices, gauges, and valves to prevent overpressure situations and ensure proper operation.
MicroBulk Systems offers an intermediate solution between gas cylinders and bulk systems, providing an attractive option when your business’s requirements outstrip those of standard cylinder tanks but bulk volumes exceed your needs. They are instrumental in enabling the permanent installation of tanks between 450 and 7,000 liters for on-site filling, providing convenient filling for various needs. A microbulk delivery system replaces high-pressure or liquid cylinders with a stainless steel, low-pressure storage tank, available in capacities ranging from 230 to 5,500 liters, depending on the gas and volumes required.
Packing & Delivery
MicroBulk cylinders are securely packed and prepared for global delivery with professional handling and logistics to ensure safe arrival at your facility.
Applications
- Laboratories & Research Centres – High-purity nitrogen, oxygen, and argon for testing and analysis
- Hospitals & Clinics – Medical oxygen and nitrous oxide (N₂O) storage and supply
- Universities & Educational Institutions – Teaching laboratories and research facilities
- Metal Fabrication & Manufacturing – Laser cutting, welding, and heat treatment
- Electronics & Cleanroom Operations – Inert gas purging and controlled atmospheres
- Food & Beverage Processing – CO₂ and nitrogen for packaging, carbonation, and freezing
- Industrial On-Site Gas Supply – An efficient solution between cylinders and bulk tanks
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