High-Pressure Oxygen Refilling System
Our complete engineered oxygen refilling system is designed for high-pressure bottling of medical and industrial oxygen cylinders. We provide robust, turnkey solutions taking oxygen from cryogenic tanks or air separation units (ASUs) to deliver continuous, reliable, and high-purity cylinder filling.
Why Partner with NEWTEK?
Flexible Customization Range:
Engineered solutions customized from 20 to 1000+ cylinders/day to precisely adapt to your operational scale and growth plans.
End-to-End Engineering Capability:
Complete engineering support from initial process design, customized modular manufacturing, to pre-assembly, installation, and final commissioning.
Oxygen-Grade Safety Excellence:
All process piping and wetted components undergo strict, certified oxygen-service degreasing to guarantee maximum operational safety.
Technological Process & System Composition
Option 1: Cryogenic LOX Pump Refilling System (Preferred for medium & large gas operators)
Cryogenic liquid oxygen storage → ambient air vaporization → cryogenic booster pump → high-pressure distribution manifold → cylinder filling network
Characteristics: Lower power consumption, fewer moving parts, low maintenance workload.
Option 2: Oil-Free Oxygen Compression Refilling System (Matched with ASU air separation plant)
Low-pressure gaseous oxygen buffer → multistage oil-free oxygen compressor → purification & drying module → pressure stabilization unit → filling manifold → cylinder charging
Characteristics: Suitable for clients with on-site air separation oxygen generation.
Core Assembly Scope:
- Cryogenic storage tank / buffer vessel
- Ambient vaporizer set
- Cryogenic LOX pump or oil-free oxygen compressor unit
- High-pressure oxygen filling manifold (single-sided / double-sided configuration)
- Oxygen-grade valves, non-return valves, emergency isolation valves
- Pressure monitoring, safety relief and interlock protection devices
- Local control cabinet; PLC automatic control available as upgrade
- Static grounding, fire prevention and oxygen-safe piping assembly
Oxygen Gas Refilling Plant Core Technical Parameters
| Parameter | Specification |
|---|---|
| Process medium | Medical oxygen / Industrial oxygen |
| Rated filling pressure | 150 bar / 200 bar |
| Output capacity | Customized according to daily cylinder bottling volume |
| Compatible container | Standard 40L / 50L high-pressure oxygen cylinders |
| Cooling form | Air cooling / water cooling |
| Control mode | Semi-automatic manual operation / fully automatic PLC control |
| Standard requirement | All wetted components undergo strict oxygen service degreasing |
Technical Superiorities
- Oxygen-specific degreasing treatment for all process piping and components, eliminating flammability hazards during high-pressure operation.
- Hierarchical safety interlock architecture: overpressure shutdown, emergency cut-off, pressure relief protection to prevent cylinder overcharging.
- Stabilized pressure output during continuous filling cycle, minimizing pressure fluctuation and improving filling uniformity.
- Modular skid-mounted design; standardized pre-assembly shortens site construction and commissioning cycle.
- Optimized system layout to reduce pipeline resistance, lowering long-term energy consumption.
- Scalable manifold design, supporting flexible expansion of filling stations from 6 to 36 positions.
- Customized layout scheme tailored to client site dimension and fire separation requirements.
Safety Specifications & Compliance
- All equipment strictly follows high-pressure oxygen handling specifications.
- Complete degreasing & cleaning certification for oxygen service
- Integrated anti-static grounding system
- Explosion-proof electrical components optional for hazardous area
- Supports documentation for CE, PED and relevant local pressure vessel standards
- Reserved interface for oxygen concentration & leakage monitoring system
- Full set of engineering documentation, P&ID drawing and operational safety procedures supplied.
Optional Engineering Upgrades
- Touchscreen PLC automatic filling control system
- Online automatic weighing unit to prevent overfilling
- Oxygen leakage detection & alarm system
- Cylinder purging and drying unit for medical oxygen application
- Remote data access & real-time monitoring module
- Containerized integrated refilling station (compact for temporary sites)
- Cylinder handling auxiliary equipment
Typical Application Scenarios
- Commercial industrial gas bottling enterprises
- Centralized medical oxygen supply stations for hospitals
- Supporting facility for air separation units
- Metal fabrication, welding & cutting operations
- Mining, construction and engineering projects
- Emergency medical rescue supporting facilities
Engineering Service Package
Pre-sales:
Site layout planning, P&ID schematic, capacity calculation and solution proposal
Production:
Standardized factory assembly and pressure testing
After-sales:
Overseas remote guidance for installation and commissioning; On-site operational training for maintenance & operating staff; Warranty coverage on core equipment; Sustainable spare parts supply and long-term technical consultation.
Request Your Custom Oxygen Gas Refilling Plant Solution
Submit your daily filling capacity, available site area, and target working pressure, and NEWTEK will deliver a complete engineered refilling solution with a detailed quotation.
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