Multi‑Gas Aluminum Scuba Tank
| Specially designed for dive schools, coastal resorts and diving gear wholesalers
Provide reliable, salt‑resistant multi‑gas storage solutions for dive training schools, coastal dive resorts, yacht fleets, marine rescue teams and global diving‑equipment distributors. Solve the pain points you face in scenarios including daily diver training, tourist diving activities, offshore emergency rescue and cross‑border wholesale stocking, where safe storage of air and nitrox mixed breathing gas is critical. Holding ISO 7866 and DOT‑3AL international certifications, it supports bulk purchasing and OEM customization of cylinder colors, corporate laser‑engraved logos and export‑grade 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-89-250-H- 01 (0.9~2.3)L |
89 | 3.5 | 0.9 | 1.98 | 268 | 10.55 | 1.2 | 2.65 | 200/2900 | 300/4350 | PED |
| 1.5 | 3.31 | 373 | 14.69 | 1.6 | 3.53 | ||||||
| 2.3 | 5.07 | 559 | 22.01 | 2.3 | 5.07 | ||||||
| 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 | |||
| 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-152-300-H- 01 (5~12)L |
152 | 5.98 | 5 | 11.02 | 481 | 18.94 | 7.17 | 15.81 | |||
| 6 | 13.23 | 555 | 21.85 | 8.12 | 17.9 | ||||||
| 8 | 17.64 | 704 | 27.72 | 10.01 | 22.07 | ||||||
| 10 | 22.05 | 853 | 33.58 | 11.9 | 26.24 | ||||||
| 12 | 26.46 | 1002 | 39.45 | 13.79 | 30.4 | ||||||
| MS-203-300-H- 01 (2~21)L |
203 | 7.99 | 12 | 26.46 | 613 | 24.13 | 16.06 | 35.41 | |||
| 13.4 | 29.54 | 671 | 26.42 | 17.32 | 38.18 | ||||||
| 16 | 35.27 | 778 | 30.63 | 19.71 | 43.45 | ||||||
| 18 | 39.68 | 861 | 33.9 | 21.54 | 47.49 | ||||||
| 20 | 44.09 | 944 | 37.17 | 23.37 | 51.52 | ||||||
| 21 | 46.3 | 985 | 38.78 | 24.29 | 53.55 | ||||||
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.
Scene One: Chain Diving Training & PADI Certification Institutions
Traditional steel diving cylinders are 40% heavier than aluminum counterparts, creating heavy physical labor for instructors moving tanks between training pools and classrooms every day. Steel tanks easily develop internal pitting corrosion after repeated filling with humid compressed air, contaminating breathing gas and triggering divers' throat irritation. Mixed tank volumes and unmarked bodies lead to messy warehouse inventory, making it hard to separate equipment for beginner, advanced and nitrox training groups. Scattered small retail orders waste factory production capacity and drag down overall bulk profit margins for training chains. Midstar multi-gas aluminum scuba tank adopts 6061-T6 seamless aviation aluminum, cutting tank weight drastically so a single instructor can transport multiple tanks effortlessly during group courses. The natural anti-rust oxide inner wall eliminates gas pollution risks, perfectly adapting to air and nitrox mixed gas storage needs. Unified standard sizes simplify centralized stock management across multi-campus training branches. Custom tank paint colors and laser-engraved institutional logos enable fast asset classification for different training batches, fully matching the large-volume bulk procurement demands of national dive training groups.
Scene Two: Coastal Dive Resorts & Luxury Yacht Rental Fleets
Seaside resorts and yacht fleets operate long-term in high-salinity marine environments. Steel cylinders suffer severe internal and external rust, requiring regular repainting, internal cleaning and frequent hydrostatic testing, greatly boosting annual equipment maintenance costs. Bulky steel tanks occupy limited storage space on dive boats and yachts, increasing vessel load and fuel consumption. Uncertified steel tanks fail marine safety inspections, risking suspension of daily diving tourist projects. Fragmented individual diver orders consume resort staff energy and reduce daily service efficiency. Midstar aluminum diving tank delivers outstanding saltwater corrosion resistance, extending inspection cycles and cutting long-term fleet operation expenses. Its compact lightweight structure maximizes boat storage space and lowers transport costs. Complete ISO 7866 and DOT-3AL global certifications pass all international marine safety audits without delays. Mass OEM brand color customization unifies the resort's overall brand image, and we support full-container sea shipment to meet stable replenishment demands for multi-villa, multi-yacht resort groups.
Scene Three: Global Diving Gear Wholesalers & Professional Marine Rescue Teams
Steel diving cylinders carry excessive dead weight, sharply raising sea freight costs for cross-border full-container shipments. Inconsistent valve thread standards force distributors to stock multiple matching DIN/Yoke regulators, bringing heavy spare-part inventory pressure. Internal rust complaints lead to frequent overseas returns and damage distributors' brand credibility. Blank unbranded steel tanks cannot support differentiated private-label sales to B-end institutional clients. Marine rescue teams need lightweight portable tanks for rapid offshore emergency deployment, while heavy steel tanks slow down rescue response speed. Midstar multi-gas aluminum scuba tank is equipped with full sets of international certification documents for smooth customs clearance in Europe, Southeast Asia and other mainstream diving markets. Unified standard valve interfaces reduce spare-part stocking pressure for wholesalers, and lightweight construction slashes comprehensive logistics expenses for bulk export orders. All-round customization services cover tank coating colors, engraved distributor trademarks and export shockproof pallet packaging. Wholesalers can shift core manpower to high-value long-term bulk orders from dive chains, coastal resorts and marine rescue teams, instead of wasting resources on low-margin scattered retail orders.
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 you provide the customized service for the logo printing ?
A: Yes, we can paint /engrave your company name or Logo on cylinder neck or cylinder body, and the cost is complimentary as long as receiving MOQ.
Q: How can I get a sample to check your quality?
A: After price confirmation, you can require for samples to check our quality.
Q: How about your delivery time what is the items of payment?
A: In general, 30% TT deposit,70% balance before delivery.
it will take 20-30 days after receiving deposit.The specific delivery time depends on the items and quantity of your order.
Q: Can I visit your factory?
A: YES, you are always welcomed there, and we are happy to hear it. Seeing is believing. Please kindly offer us your visitation schedule, and we will pick up you at airport.
