A 7L oxygen gas bottle is a portable high-pressure cylinder designed for the safe storage and transportation of compressed oxygen. Its compact size makes it an ideal choice for medical oxygen therapy, emergency response, industrial applications, laboratories, and other situations requiring a reliable oxygen supply.
DSW is a professional manufacturer of compressed oxygen bottles and high-pressure gas cylinders. Our products are manufactured from high-quality seamless steel or aluminum alloy and produced under strict quality control to ensure safety, durability, and long service life. Every cylinder is pressure tested, leak tested, and inspected before delivery to meet international quality requirements.
Features
- Manufactured from seamless steel or aluminum alloy
- Available with 150 Bar or 200 Bar working pressure
- Lightweight and easy to transport
- Corrosion-resistant exterior coating
- Compatible with international oxygen cylinder valves
- 100% hydrostatic and leakage tested
- Long service life with excellent durability
- OEM customization available
Technical Specifications
| Specification | Details |
|---|---|
| Water Capacity | 7 Liters |
| Working Pressure | 150 Bar / 200 Bar |
| Test Pressure | 250 Bar / 300 Bar |
| Material | Seamless Steel or Aluminum Alloy |
| Gas Type | Compressed Oxygen |
| Standards | ISO 9809, EN ISO 9809, DOT (Optional) |
| Valve | CGA, DIN, BS or Customized |
| Surface Finish | Powder Coating or Painting |
7 Liter Oxygen Gas Bottle Size and Specifications
| Type | Outer Diameter (mm) | Water Capacity (L) | Height (mm) (Without valve) |
Weight (Kg) (Without valve, cap) |
Working Pressure (MPa) | Design Wall Thickness (mm) | Material Grades |
|---|---|---|---|---|---|---|---|
| ISO140-7-150 | 140 | 7 | 595 | 9.9 | 15 | 5.5 | 37Mn |
| ISO159-7-150 | 159 | 7 | 495 | 9.8 | 15 | 5.8 | 37Mn |
| ISO140-7-210 | 140 | 7 | 590 | 9.0 | 21 | 5.5 | 34CrMo4 |
Available Oxygen Cylinder Sizes
In addition to the 7L model, DSW also supplies oxygen cylinders in capacities including 2L, 5L, 10L, 20L, 40L, 47L, and 50L. Other sizes and specifications are available upon request.
Quality Manufacturing
Every compressed oxygen cylinder is manufactured using advanced production equipment and carefully inspected throughout the manufacturing process. From raw material selection to final inspection, DSW follows strict quality management procedures to ensure every cylinder delivers reliable performance.
Each cylinder undergoes hydrostatic testing, air-tightness testing, dimensional inspection, and surface quality inspection before shipment. Full product traceability helps ensure consistent quality and dependable operation throughout its service life.
International Standards
Our compressed oxygen gas tanks are manufactured in accordance with internationally recognized standards and can be supplied for different global markets.
- ISO 9809
- EN ISO 9809
- DOT Specifications
- TPED (Optional)
- ISO 9001 Quality Management System
Why Choose DSW?
- Professional gas cylinder manufacturer
- Strict quality control and testing
- OEM and private label services
- Multiple international certifications
- Competitive factory pricing
- Stable production capacity
- Worldwide export experience
- Professional technical support
Applications
The 7L oxygen gas bottle is widely used in industries that require a portable and reliable supply of compressed oxygen.
Medical Oxygen Supply
Portable oxygen cylinders are commonly used in hospitals, ambulances, clinics, home healthcare, and emergency medical services to provide oxygen therapy and respiratory support.
Industrial Applications
Compressed oxygen bottles are widely used in various industrial processes, including:
- Metal cutting
- Oxy-fuel welding
- Steel manufacturing
- Glass production
- Chemical processing
Emergency Rescue
Emergency response teams, firefighters, rescue organizations, and disaster relief personnel use portable oxygen bottles to support breathing equipment during rescue operations.
Laboratory and Research
High-purity oxygen cylinders are used in laboratories, universities, and research facilities for scientific experiments, equipment calibration, and analytical testing.
Diving and Breathing Systems
Compact compressed oxygen tanks are also used in emergency oxygen kits and breathing systems for diving support and other specialized applications.
OEM & Custom Manufacturing
DSW provides OEM manufacturing services for distributors, gas companies, medical equipment suppliers, and industrial customers worldwide. We can customize cylinder dimensions, working pressure, valve type, neck thread, color, logo, and packaging to meet your market requirements.
Whether you require standard products or customized compressed oxygen tanks, our engineering team can provide reliable manufacturing solutions with consistent quality and timely delivery.
TECHNICAL FAQs
About oxygen gas bottle
A 7L oxygen gas bottle is used for medical oxygen therapy, emergency rescue, industrial welding and cutting, laboratory applications, and portable breathing systems where a reliable supply of compressed oxygen is required.
Oxygen gas bottles are typically manufactured from seamless steel or aluminum alloy, providing high strength, corrosion resistance, and long service life.
DSW compressed oxygen cylinders can be manufactured in accordance with ISO 9809, EN ISO 9809, DOT specifications, TPED requirements, and ISO 9001 quality management standards, depending on the destination market.
Yes. DSW provides OEM and custom manufacturing services, including customized cylinder capacity, working pressure, valve type, neck thread, surface color, logo, and packaging.
7L oxygen bottles are widely used in hospitals, ambulances, clinics, industrial welding and cutting, emergency rescue, laboratories, research facilities, and portable breathing systems.
In addition to the 7L model, DSW supplies oxygen cylinders in 2L, 5L, 10L, 20L, 40L, 47L, and 50L capacities. Custom sizes and specifications are also available.
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