8kg Gas Cylinder – High-Pressure Steel Cylinders for Industrial & Food-Grade Applications
If you’re sourcing an 8kg gas cylinder for food-service carbonation, whipped cream dispensing, or industrial gas storage, you need a cylinder that meets strict safety and purity standards. Zhuzhou XingYe Chemical provides factory-direct, certified high-pressure steel cylinders with full OEM/ODM support, competitive pricing, and fast shipping from China to US buyers. This guide covers everything an import manager or brand owner needs to know before purchasing.
Why B2B Buyers Struggle with Gas Cylinder Sourcing
Inconsistent wall thickness, hidden impurities in the steel, incomplete certification paperwork, and long lead times are common pain points when ordering gas cylinders from overseas. Many suppliers lack the capacity to provide custom branding, special valve configurations, or the necessary documentation (DOT, CE, ISO) that US regulators require. Without a reliable partner, you risk cargo delays, safety violations, and lost customer trust.
Our Solution: Certified 8kg Gas Cylinders Backed by a Trusted Factory
Zhuzhou XingYe Chemical has over a decade of expertise manufacturing high-pressure steel cylinders for industrial and food-grade gases. Every 8kg cylinder is produced under strict quality controls, ensuring compliance with international standards. Our factory spans 12,000+ sqm and employs 150+ skilled workers, enabling us to fulfill large-volume orders with consistent quality. Whether you need plain cylinders for bulk refill or fully branded packaging for retail, we offer turnkey OEM/ODM solutions.
Key Benefits:
- ✔ ISO 9001, CE, and DOT (when requested) certified production
- ✔ Full documentation: COA, MSDS, ECM, Food-Grade Gas Certificate
- ✔ Customizable valve types (CGA 320, CGA 580, etc.), color, logo, packaging
- ✔ MOQ as low as 200 units; lead time 15–25 days
- ✔ FOB/CIF shipping with 12-month warranty and technical support
Technical Specifications – 8kg High-Pressure Steel Cylinder
The table below outlines the typical parameters for our 8kg gas cylinder. Actual dimensions and tolerances may vary based on specific gas service and valve configuration – always confirm with order details.
| Parameter | Value | Remarks |
|---|---|---|
| Gas Capacity | 8 kg (approx. 4.0 m³ N₂O / 4.5 m³ CO₂) | Depends on gas density |
| Empty Weight | ~14.5 kg | Varies with valve type |
| Water Capacity | ~24 L | Standard 3AA cylinder |
| Working Pressure | 150 bar (2175 psi) | DOT-3AA / ISO 9809-1 compliant |
| Test Pressure | 250 bar (3625 psi) | Hydrostatic test |
| Material | Carbon steel (34CrMo4 or equivalent) | Anti-corrosion surface treatment |
| Height / Diameter | ~820 mm / ~230 mm | Without valve |
| Valve Connection | CGA 320 / CGA 580 / custom | Food-grade or industrial grade |
* All data is for reference. Final parameters per production batch and order confirmation.
Compliance & Certifications for the US Market
For importers and distributors targeting the United States, the 8kg gas cylinder must meet DOT (Department of Transportation) specifications. Our cylinders are built to DOT-3AA or ISO 9809-1 standards as per order. We also provide:
- ✔ CE marking for EU-bound cylinders (also available for re-export)
- ✔ ISO 9001:2015 quality management system certification
- ✔ Food-grade certification (FDA 21CFR 175.300 for N₂O cylinders)
- ✔ Material test certificates and batch traceability
- ✔ Compliance with UN 1044 / 1051 for safe transport
We recommend discussing your target certification with our sales team to ensure full documentation is included with your order.
Ordering & Customization: MOQ, Lead Time, Packaging
Minimum Order Quantity
Standard MOQ is 200 pcs per size. For first orders or trials, we may accept 100 pcs – depending on stock availability.
Lead Time
15–25 days after deposit. Larger orders (1,000+ units) may require 30 days. We also offer express shipping for urgent samples (7–10 days).
OEM/ODM & Packaging
Your brand, your specifications. We customize:
- Powder-coated color (RAL standard)
- Silkscreen logo and warnings
- Valve brand and type (e.g., CGA 320, P/N 34-1)
- Packaging: individual shrink wrap, corrugated cartons, or palletized for container stuffing
- Documents: packing list, commercial invoice, certificate of analysis, MSDS
Application Scenarios for 8kg Gas Cylinders
This cylinder size is ideal for:
- Food & Beverage – Carbonating soda, seltzer, or dispensing beer and wine with CO₂.
- Wholesale N₂O Cream Chargers – Bulk nitro oxide for commercial whipped cream machines.
- Industrial Welding – Shielding gas (CO₂ mix) for medium-duty MIG welding.
- Medical Oxygen – Portable oxygen supply for clinics (with proper valve).
- Laboratory Gases – Calibration gas mixtures or inert gas storage.
Comparison: 8kg vs Other Common Cylinder Sizes
Choosing the right cylinder size affects handling, logistics, and end-user convenience. The table below helps you compare.
| Parameter | 2kg Cylinder | 5kg Cylinder | 8kg Cylinder | 10kg Cylinder |
|---|---|---|---|---|
| Empty Weight | ~7 kg | ~11 kg | ~14.5 kg | ~17 kg |
| Gas Capacity (N₂O) | ~2 kg | ~5 kg | ~8 kg | ~10 kg |
| Best for | Home use, small businesses | Medium-scale food/industrial | High-demand commercial/industrial | Large-scale continuous use |
| Shipping Cost | Low | Medium | Medium-High | High |
Customer Reviews & Testimonials
Import Manager, US Beverage Co.
9kg gas cylinder 6kg gas cylinder 12kg gas cylinder
"We’ve been sourcing 8kg CO₂ cylinders from XingYe for 18 months. The consistency in weight and pressure is excellent. Documentation for DOT approval was spotless."
Cafe Chain Owner, California
"The custom branding option saved us thousands on re-labeling. Our staff loves the valve design – no leaks. Highly recommend for food-grade applications."
Gas Distributor, Texas
"Lead time was 21 days from deposit to pickup at the port. We ordered 500 units – all passed hydro testing. Excellent partner for bulk orders."
Sourcing Agent, Global Trade
"I’ve worked with nine Chinese cylinder factories. XingYe is the only one that provides real-time batch tracking and certificate uploads before shipment. Reliable."
Trust Endorsement – Real Factory Strength
Located in Zhuzhou, Hunan, our facility is equipped with automated welding lines, heat treatment furnaces, and hydrostatic testing stations. Every cylinder undergoes 100% pressure testing and visual inspection before leaving the workshop. We hold a stocked warehouse for quick dispatch of standard models.
Author’s Perspective
Mark Johnson – Senior Technical Advisor, Pressure Vessels & Gas Logistics
With over 15 years in gas cylinder manufacturing and compliance engineering, I’ve helped dozens of US importers select the right cylinder specifications for their market. The key is matching the exact valve type, certification, and surface treatment to your application. XingYe’s 8kg cylinder offers a balance of portability and capacity that works well for both food-service and industrial end users. Always ask for a sample batch before committing to large volumes – and verify the hydro test date. If you need guidance, feel free to contact our team.
Contact & Request a Quote
Ready to order or need more details? Our sales engineers can provide a tailored quotation within 24 hours.
Zhuzhou XingYe Chemical Co., Ltd
Tel / WhatsApp: +86 13787826843 (also WhatsApp 19313298383)
Email: boss@happywhip.com
Website: https://www.whipways.com/contactus.html
Address: Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
Disclaimer: All specifications and certifications mentioned are subject to final order confirmation. Actual product may vary based on custom requirements. Please verify all compliance documents with your local regulatory body before use.
