Carbon Dioxide Extinguisher
| Specially designed for fire‑safety equipment wholesalers, fire‑protection engineering contractors and overseas traders
Provide residue‑free CO₂ fire‑suppression aluminum cylinder solutions for fire‑safety equipment wholesalers, fire‑protection engineering contractors and overseas traders. Solve the pain points you face including post‑fire residue damaging precision equipment and rust‑corrosion appearance defects of steel fire extinguishers for projects covering substations, electronic instrument rooms, archives and other high‑value‑equipment premises unsuitable for water‑based fire fighting. Adopting seamless aluminum alloy deep‑drawing process with exquisite anti‑corrosion surface coating and passing strict salt‑spray testing. Holding ISO 7866 and DOT‑3AL international certifications, it supports bulk purchasing and OEM customization of cylinder colors, enterprise 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 | ||||
| MS-111-245-H-01 (2.12 ~ 4.65)L |
111 | 4.37 | 2 | 4.41 | 333 | 13.11 | 2 | 4.41 | 169.3/2455 | 245/3553 | PED |
| 3 | 6.61 | 455 | 17.91 | 2.6 | 5.73 | ||||||
| 4.7 | 10.36 | 680 | 26.77 | 3.7 | 8.16 | ||||||
| MS-111-250-H-02 (2 ~ 4.7)L |
111 | 4.37 | 2 | 4.41 | 337 | 13.27 | 2.2 | 4.85 | 174/2523 | 250/3625 | |
| 2.97 | 6.55 | 460 | 18.11 | 2.8 | 6.17 | ||||||
| 4.7 | 10.36 | 688 | 27.09 | 4 | 8.82 | ||||||
Material: High-quality aluminum alloy 6061-T6
Stamp markings: According to standards, additional markings are available upon request;
Surface treatment: Brushed alloy finish, red powder-coat;
Threads:M25, 25E, other threads available on request;
Other Customization Options: Logos, Graphics, Packaging, Accessories (Valve, Nozzle, hose and horn, Dip tube etc.;
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 carbon dioxide extinguisher
Scene One: Substation Fire‑Safety Configuration
Substations accommodate a large number of high‑voltage power facilities where water‑based fire fighting is forbidden. Traditional steel fire extinguishers are prone to surface rust after long‑term indoor‑outdoor placement, and residual fire‑fighting medium may cause secondary harm to power equipment. Corroded cylinder appearance also fails to meet standardized site acceptance requirements. Midstar carbon dioxide extinguisher adopts seamless aluminum alloy deep‑drawing craft and high‑quality anti‑corrosion coating which has passed strict salt‑spray test to avoid rust‑caused appearance failure. Zero‑residue CO₂ suppression prevents secondary damage to high‑voltage power devices. Unified dimensional specifications facilitate batch deployment and regular safety inspection for fire‑protection engineering contractors. Custom enterprise marking simplifies asset management for fire‑safety hardware deployed across multiple substation sites.
Scene Two: Electronic Instrument Room Fire‑Protection Deployment
Electronic instrument rooms store a great deal of high‑precision and high‑value electronic devices. Residues left by ordinary fire‑fighting agents will erode circuit components and lead to permanent equipment failure. Steel cylinders gradually corrode in humid indoor environments, bringing extra maintenance workload for equipment managers. Midstar carbon dioxide extinguisher delivers clean residue‑free fire suppression without contaminating precision electronic hardware. Its anti‑corrosion coating maintains stable appearance performance under long‑term indoor storage. Standard thread interfaces realize seamless assembly with mainstream fire‑fighting valves and accessories. Stable batch‑to‑batch quality helps wholesalers fulfill standardized safety‑equipment orders for electronic instrument room projects.
Scene Three: Archive Fire‑Safety Matching
Archives keep precious paper documents and cultural materials that cannot be exposed to water or fire‑fighting residues. Steel extinguishers are easy to corrode and affect overall site decoration effect. Any fire suppression agent with residues will permanently damage paper archives. Midstar carbon dioxide extinguisher features seamless aluminum structure and salt‑spray‑test‑qualified surface finish to eliminate rust risks. Residue‑free CO₂ fire protection protects precious archive collections from secondary destruction. Complete certification documents support cross‑border customs clearance and local project bidding. Flexible‑MOQ terms support customers for market trial stocking ahead of large‑volume B‑end orders. Available custom colors and logo printing help customers launch differentiated fire‑safety product lines.
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: Does your company provide OEM service?
A: Yes, we can develop and manufacture based on customers' demand.
Q: What certificates do you own for cylinders?
A: We are authorized by TUV/ISO7866/DOT/9001 /BS5045 standards.
Q: Can you provide oversea service?
A: Yes, our engineers are available for over sea services and they have very rich experience for overseas installation.
Q: Do you test all your gas cylinders before delivery?
A: Yes, we have 100% test before delivery and we also accept third party testing.












