5lb CO2 Cylinder
| Specially designed for beverage‑equipment OEM manufacturers, craft breweries and chain restaurant groups
Provide reliable and lightweight food‑grade carbon dioxide storage solutions for beverage‑equipment OEM manufacturers, craft‑brewery operators, chain restaurant groups and global beverage gas wholesale importers. Solve the problems you face in scenarios such as draft beer dispensing, carbonated beverage preparation and multi‑site commercial catering deployment where food‑safe and corrosion‑free gas storage performance is critical. 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 | bar | psi | bar | psi | ||
| 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 | ||||||||
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 5lb CO2 Cylinder
Scene One: Chain Restaurant & Commercial Bar Beverage Dispensing
In chain restaurants and commercial bar venues, conventional steel CO₂ cylinders are heavy‑weight and prone to internal rust under humid kitchen environments. Frequent manual handling for refilling increases staff workload. Mixed cylinder specifications across multiple store locations bring difficulties for unified safety inspection and asset management. Rust contamination also creates hidden risks for food‑safe beverage service. Midstar 5lb CO₂ cylinder adopts lightweight aviation‑grade aluminum alloy construction with around 40% weight reduction for convenient single‑person moving and installation. Food‑grade inner treatment avoids rust residue to guarantee beverage safety and taste consistency. Uniform industrial specifications support cross‑store unified asset filing and routine pressure testing audits. Customizable institutional logos and unified surface colors help catering groups realize standardized gas‑cylinder fleet management across scattered store sites.
Scene Two: Beverage‑Equipment OEM Manufacturing & Global Wholesale Matching
For beverage‑equipment OEM factories and global beverage‑gas wholesalers, traditional steel CO₂ cylinders add heavy cargo weight and raise cross‑border container logistics costs for bulk export orders. Non‑standard valve threads cause extra assembly adaptation work for draft‑beer dispensing kits. Undifferentiated plain cylinder appearance cannot support brand building for regional distributors. Midstar 5lb CO₂ cylinder complies with ISO 7866 and DOT‑3AL international standards, delivering stable high‑pressure performance and excellent humidity‑resistant corrosion performance. Its lightweight integrated aluminum body cuts overall shipment weight and lowers freight expenditure for large‑volume orders. Standardized valve‑thread interfaces simplify OEM assembly and reduce accessory‑matching risks. It supports full OEM customization of cylinder colors, enterprise brand engraving and export‑oriented packaging, helping B‑end suppliers launch complete food‑grade gas‑storage solutions for global catering markets.
Scene Three: Craft Brewery & Beverage Rental‑Fleet Operation
At craft breweries and beverage‑gas rental‑fleet operators, heavy steel cylinders generate high recurring maintenance costs for hydrostatic testing and repainting. Diverse mixed‑brand cylinder stocks complicate tracking, counting and circulation management for rental fleets. Poor inner‑wall conditions of old steel tanks may compromise carbonation quality for draft beer and sparkling drinks. Midstar 5lb CO₂ cylinder features rust‑free aluminum inner walls to maintain stable gas quality through repeated refilling cycles. The compact lightweight design lowers labor cost during fleet collection, delivery and redistribution. Every cylinder undergoes strict factory hydrostatic and air‑tightness testing to meet commercial food‑service safety requirements. Batch‑customized cylinder marking and unified batch packaging adapt to large‑scale rental‑fleet deployment, simplifying cross‑warehouse inventory statistics and centralized asset supervision for brewery and gas‑rental enterprises.
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: Are there protective measures during the transportation of your products?
A: Yes, all aluminum CO2 cylinders are packed in wooden pallets.
Q: What is your after-sales service?
A: We provide technical support through operation manual and video link. Once you have questions, you can get prompt response from our engineers by email, phone or training in the factory. During the warranty period, if there is a problem with the hardware, we will send you spare parts for free; or if you send it back, we will repair it for you free of charge.
Q. Can you produce according to samples?
A: Yes, we can produce according to your samples or technical drawings. We can make molds and fixtures.
Q: What should the CO2 pressure be set at?
A: Pouring pressures are higher for wheat beers, Belgian beers and sour beers than for malty beers. Temperature also affects the desired PSI. for most beers, the ideal pouring temperature is 38° F.
