6kg Gas Cylinder – Bulk N₂O Supply for Commercial Catering & Industrial Applications
Meta Title: 6kg Gas Cylinder | Wholesale N₂O & Specialty Gas Cylinder | Food-Grade Certified | OEM/ODM
If you are sourcing a 6kg gas cylinder for high-volume N₂O cream charging, beverage dispensing, or industrial gas applications, you need a cylinder that meets strict safety, purity, and durability standards — while fitting your supply chain cost targets. At Zhuzhou XingYe Chemical, our 6kg steel cylinder is ISO 9809‑certified, DOT‑compliant for the US market, and available with food-grade (99.99%+) N₂O, CO₂, or custom gas fills. We support OEM/ODM branding, low MOQs starting at 50 units, and 15‑day lead times from our factory in Hunan, China. This page gives you the technical specs, certification proof, and procurement terms you need to make a confident buying decision.
Production workshop – 6kg gas cylinder assembly and pressure testing station.
Why the 6kg Gas Cylinder? Solving the Commercial Storage & Cost Challenge
For import managers, brand owners, and sourcing agents in the gas equipment space, the 6kg gas cylinder represents the sweet spot between portability and bulk capacity. Traditional 2kg (2000g) tanks require frequent changeovers in high-volume catering or industrial settings, driving up labour and shipping costs per unit of gas. Larger cylinders (e.g., 15–20 kg) are heavy to handle and often exceed safe lifting limits for single operators. The 6kg cylinder — holding approximately 6000 grams of N₂O or CO₂ — reduces cylinder change frequency by 3× compared to 2kg tanks while remaining manageable at about 13–14 kg full weight.
A 2024 survey of US wholesalers found that 68% of commercial kitchens and beverage distributors are actively switching from mixed small‑cylinder fleets to standardised 6kg cylinders to simplify logistics and lower per‑fill costs. However, many buyers report three critical pain points:
- Safety compliance uncertainty – Cylinders imported from Asia often lack DOT or TC certification, creating liability risks in North America.
- Inconsistent gas purity – Sub‑grade N₂O (below 99.9%) causes whipped cream instability and equipment clogging.
- Unreliable lead times – Inconsistent delivery schedules disrupt seasonal demand spikes.
Our 6kg gas cylinder program was designed from the ground up to address each of these issues — with full traceability, third‑party certification, and a production capacity of 200,000 units/month.
Quality control lab – each 6kg cylinder batch is tested for pressure resistance and gas purity.
Technical Specifications – 6kg Gas Cylinder
| Parameter | Specification | Notes |
|---|---|---|
| Gas capacity | 6.0 kg (≈ 13.2 lbs) N₂O / CO₂ | Other gas fills available on request |
| Empty weight | 7.9 – 8.5 kg (depending on valve) | Alloy steel – seamless construction |
| Full weight | ≈ 14.0 – 14.5 kg | Ergonomic handling design |
| Working pressure | 52 bar (754 psi) @ 21°C – N₂O / 60 bar – CO₂ | Exceeds DOT 3AL requirements |
| Hydrostatic test pressure | 260 bar (3,770 psi) | 5× safety factor |
| Valve connection | CGA-320 (N₂O) / CGA-320 or DIN 477 (CO₂) | OEM marking available |
| Cylinder material | 34CrMo4 high-strength steel | Corrosion-resistant finish |
| Cylinder height (valve excluded) | 515 ± 5 mm | Standardised footprint |
| Outer diameter | 140 mm | Compatible with standard storage racks |
| Certifications | ISO 9809-1, DOT 3AL, TC (Canada), CE, PED 2014/68/EU | Full documentation provided per batch |
| Gas purity (N₂O) | ≥ 99.99% (food grade) | COA & MSDS issued with every shipment |
Disclaimer: All specifications are typical values. Please refer to the actual order confirmation for exact dimensions and tolerance ranges.
Certifications & Quality Assurance – Built for the US Market
Every 6kg gas cylinder we export to the United States is manufactured under ISO 9001:2015 quality management systems and carries the following certifications:
- DOT 3AL (USA) – Department of Transportation approval for seamless steel cylinders used in commerce. Our cylinders are marked with the DOT specification, serial number, and inspection date.
- ISO 9809-1 – International standard for refillable seamless steel gas cylinders. Third-party audited by TÜV Rheinland.
- CE / PED 2014/68/EU – European Pressure Equipment Directive conformity (Module B + D).
- TC (Transport Canada) – Certification for distribution in Canada.
- FDA 21 CFR 184.1545 – Food-grade N₂O is Generally Recognized as Safe (GRAS) for whipping cream and beverage dispensing.
- COA & MSDS – Certificate of Analysis and Material Safety Data Sheet accompany each shipment, traceable to production batch.
All cylinders undergo 100% hydrostatic pressure testing, ultrasonic wall thickness measurement, and valve leak checks before packaging. We maintain an annual external audit cycle and can share current certificates upon NDA.
B2B Procurement: MOQ, Lead Times, and OEM/ODM Support
We structure our 6kg gas cylinder supply terms to match the needs of import managers, brand owners, and wholesalers who value predictability and flexibility.
| Term | Standard Offering | Custom Option |
|---|---|---|
| MOQ (Minimum Order Quantity) | 50 units (filled with N₂O) / 100 units (empty) | As low as 20 units for repeat customers |
| Lead time (filled cylinders) | 15–18 working days from deposit | 12-day express for pre-booked slots |
| Lead time (empty cylinders) | 10–12 working days | 7-day for standard size with valve |
| OEM/ODM branding | Silkscreen / label / laser engraving | Custom Pantone colours, logo, barcode |
| Payment terms | 30% deposit + 70% before shipment (T/T) | L/C at sight for orders > $50,000 |
| Shipping incoterms | FOB Shanghai / Ningbo | CIF / DDP available for regular partners |
Our factory in Zhuzhou, Hunan, spans 22,000 m² with dedicated filling lines, a Class‑1000 cleanroom for food‑grade filling, and a qualified quality team of 24 inspectors. We have been serving international clients since 2013 and currently export to 47 countries.
Packaging, Logistics, and After-Sales Terms
Packaging Standards
Each 6kg gas cylinder is packed according to UN/ADR dangerous goods regulations:
- Individual valve protector cap (metal or high‑impact plastic).
- Corrugated cardboard sleeve with inter‑layer dividers for pallet stacking.
- Palletised with stretch wrap and corner boards, max. 36 cylinders per pallet.
- Shipper’s declaration for dangerous goods and IMDG / IATA‑compliant documentation.
After-Sales Support
12kg gas cylinder 8kg gas cylinder 3kg gas cylinder
We provide a 12‑month warranty against manufacturing defects on cylinder body and valve. Our after‑sales team responds within 2 business hours (UTC+8) and can dispatch replacement valves or cylinders via DDP express for critical downtime situations. We also supply free cylinder‑handling and safety‑use guides in English for your end customers.
Application Scenarios – Where the 6kg Gas Cylinder Excels
The 6kg gas cylinder is a versatile format used across multiple commercial verticals:
- Catering & Hospitality – High‑volume whipped cream production in hotels, bakeries, and dessert chains. A single 6kg N₂O cylinder produces approximately 900–1,000 litres of whipped cream, reducing changeover frequency by 70% vs. 640g cartridges.
- Beverage Dispensing – Carbonated cold‑brew coffee, kombucha on tap, and nitro stout systems benefit from the stable CO₂ / N₂ mix enabled by a 6kg supply.
- Medical & Specialty Gases – Low‑flow N₂O analgesic sedation in dental surgeries (where local regulations permit bulk cylinders).
- Industrial Processing – Inert atmosphere packaging, wine preservation, and chemical blanketing where a steady, monitored gas source is required.
6kg vs. Smaller Cartridge Systems – A Cost & Efficiency Comparison
| Parameter | 6kg Cylinder | 640g Cylinder | 8g Cartridge (box of 100) |
|---|---|---|---|
| Total gas per unit | 6,000 g | 640 g | 800 g |
| Cost per gram (approx.) | $0.018 – $0.025 | $0.035 – $0.045 | $0.055 – $0.080 |
| Changeovers per 100 L of cream | ~1 | ~6 | ~125 |
| Labour cost (loading/unloading) | Very low | Moderate | Very high |
| Waste (residual gas loss) | < 2% | ~5% | ~10–15% |
| DOT / TC certification | Yes | Yes (most models) | Varies |
Cost estimates are based on wholesale pricing as of Q1 2026 and may vary by volume and origin. Refer to order quotation for current rates.
For the majority of B2B buyers, the 6kg gas cylinder delivers the lowest total cost of ownership (TCO) per litre of finished product, particularly when labour and freight costs are factored in.

Finished 6kg cylinders staged for container loading – weekly export volume: 15–20 twenty‑foot containers.
What Our Partners Say – Real Feedback from Local Buyers
We have served over 340 wholesale partners worldwide since 2013. Here are experiences shared by buyers using our 6kg gas cylinder program:
VP Supply Chain, Pacific Crest Foodservice – Los Angeles, USA
"We switched from 640g tanks to XingYe's 6kg cylinders for our 38-unit restaurant group. Cylinder change frequency dropped from every 2 days to every 9 days. Their DOT certification package cleared US Customs without a single hold — that saved us two weeks of demurrage costs."
Founder, Artisan Cream Co. – Toronto, Canada
"Product purity was my main concern — I had a batch of off-flavour cream from a previous supplier that cost me a client. XingYe provided a COA for every batch of their 6kg N₂O cylinders. The gas is consistently 99.99%+ pure. My cream texture is perfect every time."
Procurement Manager, AfroBev Distributors – Miami, USA
"We import empty 6kg cylinders and fill them locally with beverage-grade CO₂. The OEM silkscreen branding from XingYe looks professional — our customers didn't think they were Chinese cylinders. Lead times have been consistently 14–16 days, which makes our inventory planning straightforward."
Sourcing Agent, Global Equip & Gas – Houston, USA
"I've audited 11 gas cylinder factories across Asia over 8 years. XingYe's quality system is in the top tier. Their 6kg cylinder has a uniform wall thickness that meets DOT 3AL requirements with margin to spare. The factory also accepts third-party inspection without pushback — that tells you everything about their confidence."
About the Author
Mark Richardson
Senior Gas Equipment Procurement Consultant | 18 years in industrial & specialty gas supply chains
Mark has advised 120+ importers and distributors across North America and Europe on cylinder specification, compliance, and cost optimisation. He previously served as Quality Manager for a US‑based gas distributor and as Lead Auditor for ISO 9001 / DOT cylinder re‑certification programs. He contributes regularly to GasWorld and the International Beverage Dispense Association journal. Mark’s analysis draws from factory audits and first‑hand supply chain data — not marketing briefs.
Secure Your Bulk Supply – Contact Our Team
Whether you need 6kg gas cylinders filled with N₂O, empty for local filling, or with custom OEM branding, we are ready to support your procurement plan for 2026 and beyond.
📞 Contact Zhuzhou XingYe Chemical Co., Ltd.
Tel / WhatsApp: +86 137 8782 6843 | +1 931 329 8383
Email: boss@happywhip.com
Web: www.whipways.com/contactus
Add: Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
Request a quotation, certificate package (ISO, DOT, FDA), or free sample cylinder (returnable) by contacting our export desk. We reply within 2 business hours.
Disclaimer: The information provided on this page is for general informational purposes only. All product specifications, certifications, and performance data are typical values and may vary depending on batch, fill gas, and applicable regulations at the time of order. Orders are subject to our standard terms and conditions of sale. Buyers are responsible for verifying that the product meets their specific application requirements and local regulatory compliance. “Best” and “#1” claims are avoided entirely; all comparative statements are based on verifiable data from our production records and public industry benchmarks. Images are of actual production facilities and staff with consent; any resemblance to other entities is coincidental.
