
Oxygen Cylinder E‑tank
| Specially designed for medical‑device distributors, elderly‑care group operators and ambulance refitting manufacturers
Provide high‑reliability E‑tank medical oxygen cylinder solutions for medical‑device distributors, elderly‑care group operators and ambulance refitting manufacturers. Solve the pain points you face that E‑size oxygen cylinders belong to core medical supplies, and buyers impose extremely high requirements on cylinder compliance, stability and after‑sales traceability for projects covering hospital patient transfer, ambulance‑mounted oxygen systems and backup oxygen for centralized oxygen supply in large‑scale elderly‑care facilities. Conforming to procurement standards of major international medical institutions, we are equipped with complete batch‑traceability and quality‑assurance systems. Holding ISO 7866 and DOT‑3AL international certifications, it supports bulk purchasing and OEM customization of cylinder colors, institutional logos 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 | bar/psi | bar/psi | ||
| 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 | ||||||
Material: High-quality aluminum alloy 6061-T6
Stamp markings: According to standards, additional markings are available upon request;
Surface treatment: brushed body with clear powder coating and green neck;
Threads: M25x2, 3/4-16UNF-2B, 25E, other threads available on request;
Valve: CGA 870
Other Customization Options: Logos, Graphics, Packaging, Accessories (Nasal Cannula, Mini Oxygen Regulators);


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 Oxygen Cylinder E‑tank
Scene One: Hospital Patient Transfer Fire‑Safety Configuration
Hospitals require reliable E‑tank oxygen hardware for intra‑hospital and inter‑hospital patient transfer. As core medical materials, non‑compliant cylinders with unstable performance will bring severe clinical risks, and insufficient traceability mechanisms will cause difficulties in after‑sales accountability. Midstar oxygen cylinder E‑tank meets procurement standards of major international medical institutions and adopts a complete batch‑traceability quality‑assurance system. Stable batch‑to‑batch performance satisfies strict compliance requirements for hospital medical equipment procurement. Unified dimensional specifications facilitate batch deployment and regular safety inspection for hospital‑side transfer scenarios. Custom institutional marking simplifies asset management for oxygen cylinders used in multiple departments.
Scene Two: Ambulance‑mounted Oxygen System Matching
Ambulance refitting manufacturers need qualified E‑tank oxygen cylinders for complete vehicle oxygen system assembly. Medical core materials demand full compliance documentation, stable operating performance under vehicle vibration environment, and complete traceability records for after‑sales service. Sub‑standard products will lead to vehicle acceptance failure. Midstar oxygen cylinder E‑tank strictly follows international medical procurement standards with full‑set batch traceability. Reliable structural performance adapts to bumpy working conditions inside ambulances. Standard thread interfaces realize seamless assembly with mainstream medical valves and on‑board oxygen accessories. Complete qualification and traceability documents support ambulance refitting manufacturers for whole‑vehicle inspection and delivery.
Scene Three: Large‑scale Elderly‑care Facility Centralized Oxygen‑supply Backup Application
Large‑scale elderly‑care group facilities deploy E‑tank cylinders as backup oxygen for centralized oxygen‑supply systems. For such core medical supplies, operators set high thresholds for product compliance, operational stability and full‑life‑cycle after‑sales traceability. Poor traceability will hinder equipment maintenance and risk investigation. Midstar oxygen cylinder E‑tank conforms to international medical‑institution procurement criteria and features sound batch‑traceability and quality‑guarantee mechanisms. It serves as stable emergency backup when the main centralized oxygen system fails. Flexible‑MOQ terms support medical‑device distributors for market trial stocking ahead of large‑volume B‑end orders. Available custom colors and logo printing help B‑end customers realize unified asset identification for elderly‑care‑site medical hardware.

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: Can we get your free samples?
A: Yes, you can. Free sample can be provided for our customers to test quality with the freight on buyer's account. The way we send it to you is via express, you can also call your local express to pick up samples from our office.
Q: What is the normal lead time?
A: For customer bottles, with the available mold we will ship out within 35 days.
For the molds to be developed Drawing confirmation: 3-5 days Open mold & test samples: 20-30 days; Sample confirmation: 7 days; Mass production: 30-45 days.
Q: What is your shipping terms?
A: For small trial order, UPS, FEDEX. DHL, EMS, TNT, etc. can be provided.
For larger order, we can arrange shipment by sea, by train, or by air according to your requirement.












