Welding aluminum oxygen cylinder
| Specially designed for metal workshops, engineering contractors and industrial gas distributors
Provide reliable and lightweight high-pressure oxygen storage solutions for metal fabrication workshops, field engineering teams, welding cutting stations and industrial gas distributors. Solve the problems you face in scenarios such as factory batch welding, outdoor mobile construction and cylinder fleet rental where stable oxygen supply is critical. Holding ISO 7866 and DOT-3AL international certifications, it supports bulk purchasing and OEM customization of cylinder colors, corporate logos, valve configurations and packaging.
Safety and Compliance
Each gas cylinder undergoes 100% water pressure testing, ultrasonic flaw detection and air tightness testing, and is accompanied by a traceable third-party certification report to ensure absolute safety.
Lightweight design
Compared with traditional gas cylinders, the weight is reduced by 30% to 40%, significantly lowering logistics costs and the operational load on workers.
Deep customization service
Supports OEM/ODM based on your filling gas, production line interface, and brand logo, including all-round customization in color, valves, size and packaging.
One-stop support
We offer full-cycle services ranging from technical selection consultation, compliance guidance to after-sales maintenance. Our professional engineering team is your strong backing.
| Drawing No. | Outside Diameter | Water Capacity | Length | Weight | Service Pressure | Test Pressure | Specification | ||||
| mm | in | liters | lbs | mm | in | kgs | lbs | ||||
| MS-111-250-H-01 (1.9~4.6)L |
111 | 4.37 | 1.9 | 4.19 | 335.5 | 13.21 | 2.3 | 5.07 | 166.6/2415 | 250/3625 | TPED |
| 2.97 | 6.55 | 473 | 18.62 | 3.1 | 6.83 | ||||||
| 4.6 | 10.14 | 695 | 27.36 | 4.4 | 9.7 | ||||||
| MS-140-250-H-01 (4.0~9.6)L |
140 | 5.51 | 4 | 8.82 | 420 | 16.54 | 4.5 | 9.92 | |||
| 6 | 13.23 | 595 | 23.43 | 6.1 | 13.45 | ||||||
| 9.6 | 21.16 | 890 | 35.04 | 8.7 | 19.18 | ||||||
| MS-111-300-H-01 (2~4.5)L |
111 | 4.37 | 2 | 4.41 | 359 | 14.13 | 2.8 | 6.17 | |||
| 3 | 6.61 | 500 | 19.69 | 3.77 | 8.31 | ||||||
| 4 | 8.82 | 640 | 25.2 | 4.27 | 9.41 | ||||||
| 4.5 | 9.92 | 708 | 27.87 | 4.74 | 10.45 | ||||||
| MS-140-300-H-01 (4~11)L |
140 | 5.51 | 4 | 8.82 | 453 | 17.83 | 5.59 | 12.32 | 200/2900 | 300/4350 | |
| 5 | 11.02 | 541 | 21.3 | 6.54 | 14.42 | ||||||
| 5.7 | 12.57 | 603 | 23.74 | 7.2 | 15.87 | ||||||
| 7 | 15.43 | 716 | 28.19 | 8.43 | 18.58 | ||||||
| 10 | 22.05 | 980 | 38.58 | 11.29 | 24.89 | ||||||
| 11 | 24.25 | 1068 | 42.05 | 12.24 | 26.98 | ||||||
| MS-140-15-H-01 (0.3~0.9)L |
140 | 5.51 | 3 | 6.61 | 339 | 13.35 | 3.7 | 8.16 | 150/2175 | 225/3263 | GB/T11640 |
| 4 | 8.82 | 420 | 16.54 | 4.5 | 9.92 | ||||||
| 5 | 11.02 | 502 | 19.76 | 5.1 | 11.24 | ||||||
| 6 | 13.23 | 585 | 23.03 | 5.8 | 12.79 | ||||||
| 7 | 15.43 | 665 | 26.18 | 6.5 | 14.33 | ||||||
| 8 | 17.64 | 745 | 29.33 | 7.2 | 15.87 | ||||||
| MS-111-232-H-01 (2.73~5.07)L |
111 | 4.37 | 2.73 | 6.02 | 420 | 16.5 | 2.5 | 5.5 | 139/2015 | 232/3364 | DOT-3AL |
| 3.9 | 8.6 | 570 | 22.4 | 3.3 | 7.3 | ||||||
| 5.07 | 11.18 | 720 | 28.3 | 4 | 8.8 | ||||||
OEM/ODM customization capability - integrating products into your brand and system
Our customized services cover four major dimensions
• Customized specifications: Volume, diameter, height, valve opening type - within the safety standard range, adjust as needed
• Customized appearance: Bottle body color, shoulder color matching, enterprise LOGO, product label - Let the gas cylinder become your mobile billboard
• Customized identification: Laser engraving, screen printing, permanent coding - achieving full life cycle traceability management
• Customized packaging: Exclusive packaging solutions, pallet specifications, and shipping mark designs - tailored to your warehousing and logistics systems
From sample confirmation to batch delivery, we offer one-on-one dedicated account manager coordination to ensure that every customized detail is precisely implemented.
Three major application scenarios for welding industrial oxygen cylinder
Scene One: Factory Workshop Welding and Cutting Operations
Traditional steel oxygen cylinders for industrial welding are bulky, heavy and prone to surface rust, making them difficult for workers to carry and replace frequently during batch welding and cutting work. Cumbersome handling slows down production efficiency and increases workshop labor costs. Unstandardized cylinder specifications also lead to messy on-site placement and difficult safety management for manufacturing enterprises. Midstar welding oxygen cylinder adopts lightweight 6061-T6 aviation aluminum structure, 40% lighter than traditional steel cylinders, realizing single-person handling and rapid on-site deployment. It delivers stable and consistent high-pressure oxygen output to match long-hour industrial welding and cutting production demands. Unified standard specifications help factories achieve standardized on-site management, regular safety inspection and batch asset scheduling, greatly optimizing workshop production efficiency.
Scene Two: Mobile Outdoor Engineering Construction
Outdoor engineering construction, field installation and mobile welding operations require flexible and portable oxygen supply equipment. Traditional heavy steel cylinders are inconvenient for vehicle transportation and field movement, unable to adapt to frequent site switching. Ordinary low-quality cylinders have poor pressure stability and cannot withstand complex outdoor temperature environments, bringing hidden dangers to construction safety. Midstar welding oxygen cylinder features strong environmental adaptability, maintaining stable oxygen output from -40°C to 60°C. The corrosion-resistant aluminum alloy body adapts to outdoor humid and harsh working conditions. Its lightweight and portable design supports rapid transportation and mobile use, solving the oxygen supply pain points of scattered and mobile engineering construction projects for engineering contractors and construction teams.
Scene Three: Industrial Gas Distribution and Equipment Rental Fleet
Industrial gas distributors, welding equipment leasing companies and engineering service institutions need large batches of standardized oxygen cylinders for market supply and equipment leasing operations. Inconsistent cylinder specifications and unmarked equipment cause difficult asset statistics, batch management and regular maintenance, raising overall operational costs. Midstar welding oxygen cylinder complies with international ISO and DOT standards with reliable and uniform product performance, fully suitable for large-scale batch deployment of industrial fleets. It supports institutional color customization, laser-engraved corporate logos and unified batch coding, enabling B-end industrial enterprises to realize accurate asset identification, standardized inventory management and large-scale commercial leasing and distribution operations.
Full-process support from concept to mass production: From drawing review, prototype making to mass production and quality inspection, we offer one-stop services, significantly shortening your product launch cycle.
Flexible cooperation based on demand: Whether it's a small-batch trial order or a long-term large-scale framework purchase, we can offer competitive tiered pricing and stable inventory planning.
Cross-industry application expert: Our gas cylinder solutions have been successfully applied in fire-fighting equipment, medical devices, diving equipment and the beverage industry. We are glad to apply our cross-industry experience to solve your specific challenges.
Regarding packaging
In order to deliver our products to you in the condition in which they were sent, we use strict, strong, efficient and environmentally friendly packaging methods.
Our standard packaging method for our products is to cover them with plastic bags, put them into cartons, then place the cartons on pallets and wrap them tightly with stretch film to ensure that the cylinders do not collide with each other during transportation. Other packaging methods can be provided upon request.
Certification system of Midstar
• U.S. market: DOT-3AL (U.S. Department of Transportation Standard for Aluminum Alloy Gas Cylinders)
• EU market: TPED /EU + PED /EU (Dual Directive compliance)
• International standard: ISO 7866 (Global Technical Benchmark for Gas Cylinder Industry)
• UK market: BS 5045-8 (UK National Standard)
• Chinese market: GB/T 11640 (National Recommended Standard of China)
All certifications are reviewed and issued by international authoritative institutions to ensure the authenticity and traceability of compliance documents.
Professional service commitment
We offer comprehensive support, not just products.
Bulk purchasing plan: Based on your annual purchasing volume, we offer tiered preferential prices and flexible delivery plans.
Customized services: Supports institutional customization of gas cylinder colors and markings, facilitating asset identification and management.
Training and Guidance: Provide training on product usage and safety regulations for your team.
After-sales service and Inspection: We offer regular safety inspection services for gas cylinders or assist in contacting qualified local inspection institutions.
Call to action
To the Procurement Managers of Institutions, if you are evaluating or updating equipment, we can provide you with:
Free sample experience: Test the lightness and reliability of the product in person.
Contact our B2B sales team immediately to get a personalized quotation and solution.
FAQs
Q:What is the oxygen content of a size E cylinder?
A:An oxygen-filled e-cylinder has a service pressure of 1900 psi. One e-cylinder holds 660 litres of oxygen.
Q:How much PSI does a full oxygen tank have?
A:About 2000 psi will indicate a full cylinder. The gauge reaches your doctor's recommended flow rate.
Q:How long is the lifespan of an e-cylinder oxygen tank?
A:Up to 2200 PSIG of pressure can be applied to oxygen cylinders. A full E-cylinder will give 22 hours of gas flow at a flow rate of 0.5 L/min.
