1. Technical Parameters Table
| Item | Complete Technical Specification Data |
|---|---|
| Model Number | HR40037 (50LB LPG Cylinder) |
| Applicable Medium | Liquefied Petroleum Gas (Propane / Butane) |
| Rated LPG Filling Weight | 50LB / 22.7kg |
| Nominal Water Capacity | 54L |
| Empty Tare Weight | 19.1kg |
| Overall Full Height | 942mm |
| Cylinder Outer Diameter | 309.8mm |
| Protective Collar Outer Diameter | 228mm |
| Bottom Foot Ring Diameter | 295mm |
| Standard Wall Thickness | 2.5mm |
| Design Working Pressure | 1.6 MPa (240 PSI) |
| Hydrostatic Test Pressure | 3.3 MPa (480 PSI) |
| Minimum Burst Pressure | ≥6.4 MPa (930 PSI) |
| Manufacturing Process | Fully Automatic Circumferential Welding + Stress Relief Heat Treatment |
| Surface Treatment | Shot Blasting SA2.5 Grade + Anti-rust Primer + Salt-fog Resistant Outdoor Topcoat |
| Matching Standard Valve | YSF-RA-1A high pressure LPG cylinder valve, gas bottle valve |
| Compliant Safety Standard | DOT-4BW240, ISO4706 |
| Design Service Life | 15 Years |
| Factory Inspection Standard | 100% Hydraulic Pressure Test & Air Tightness Leak Test for each liquefied petroleum gas cylinder |
2. Product Advantages
Stable Welding & Stress Relief Technology
Adopts fully automatic CO2 mixed gas shielded circumferential welding, followed by professional stress relief heat treatment to eliminate internal welding stress, effectively avoiding welding crack and long-term leakage risks. This industrial gas cylinder maintains stable structural performance under long-term high-pressure storage.
DOT Certified HP295 Pressure Vessel Steel
Original HP295 certified steel with stable mechanical performance, outstanding anti-impact, anti-compression and anti-salt-fog capacity, fully complying with North & South American DOT import safety standards. This high pressure LPG cylinder valve equipped commercial propane tank ensures ultra-safe storage for outdoor and industrial scenarios.
Multi-layer Salt-fog Resistant Anti-corrosion Coating System
Multi-step professional anti-rust painting resists humid coastal, high temperature and rainy environments, preventing paint peeling and rust to extend outdoor service cycle greatly. Ideal portable LPG tank for harsh overseas climate conditions.
Full Strict Traceable Quality Control Flow
Every finished cylinder passes multi-round appearance inspection, hydraulic test and air tightness test. An exclusive laser-marked serial number supports full lifecycle quality tracking for every liquefied petroleum gas cylinder.
Universal Accessory Matching for Americas Market
Standardized DOT valve collar, lifting guard and bottom foot ring size, compatible with mainstream American gas bottle valve, anti-collision caps and transport trolleys, convenient for local installation and maintenance. We also support customized ODM gas cylinder brass valve for special market demands.
Full Export DOT Certification Support
We provide complete DOT certification documents to meet import customs inspection requirements of Nicaragua, Jamaica, Venezuela, Trinidad and Tobago and other Central & South American countries for bulk industrial gas cylinder and commercial propane tank orders.
3. Application Scenarios
Household Daily Use: Family kitchen cooking, indoor space heating, domestic hot water supply
Catering Industry: Large restaurants, hotel back kitchens, roadside food stalls, mobile food trucks
Small & Medium Industrial Use: Factory heating, metal welding & cutting, portable boiler fuel supply, widely used industrial gas cylinder scenarios
Outdoor Activities: Caravan travel, large outdoor barbecue, temporary gas supply for construction sites, perfect portable LPG tank
Commercial Gas Distribution: Large gas retail stations, bottled gas storage warehouses, residential centralized gas supply projects, bulk commercial propane tank supply
4. Customization Services
Dimension & Capacity Customization
Adjust water capacity, cylinder height and outer diameter according to local market demand of buyers for customized liquefied petroleum gas cylinder.
Surface Brand Customization
Custom spray paint colors matching regional market standards; silk-screen print customer’s brand LOGO, enterprise name, safety warning labels and contact information on cylinder body.
Supporting Accessory Matching Customization
Custom matched YSF-RA-1A safety gas bottle valve, high pressure LPG cylinder valve, ODM gas cylinder brass valve, rubber anti-collision rings, valve protective caps, portable transport trolleys and spare sealing gaskets.
Regional Certification Application
Apply for DOT, ISO4706 and local national safety certificates based on import regulations of Central & South American destination countries for all industrial gas cylinder and commercial propane tank products.
Export Packaging Customization
Provide standard fumigation-free export wooden pallets wrapped with waterproof stretch film; customized solid wooden box packaging for small trial sample portable LPG tank orders.
Technical Document Support
Supply customized CAD product drawings, factory batch inspection reports, material test certificates and full sets of DOT-compliant customs clearance technical files.
5. Trade Information
Manufacturer & Authorized Exporter: Qingdao Evergreen Import and Export Co., Ltd.
MOQ: Negotiable; small trial sample orders are acceptable
Mass Production Lead Time: 7–15 working days after deposit confirmation
Accepted Payment Terms: T/T, L/C at sight, other flexible negotiable terms
Loading Port: Qingdao Port, China
Standard Export Packaging: Fumigation-free wooden pallet + waterproof stretch film wrapping
Available Delivery Modes: Ocean freight, land truck transportation, combined multimodal logistics
Main Export Markets: Central & South America, Southeast Asia, Middle East, Africa, Oceania
Product Range: liquefied petroleum gas cylinder, industrial gas cylinder, commercial propane tank, portable LPG tank and supporting gas bottle valve / high pressure LPG cylinder valve / ODM gas cylinder brass valve
6. Purchasing Frequently Asked Questions
Q1: What safety certificates can you provide for HR40037 50LB DOT LPG cylinders?
A: We can provide official DOT-4BW240 certification, ISO4706 international standard certificate and factory material test certificate. We can also supply supporting inspection documents to meet customs rules of Central & South American countries for all industrial gas cylinder and commercial propane tank products.
Q2: Can I print my exclusive brand logo and company information on the cylinder surface?
A: Yes. We support customized silk-screen printing of brand logos, brand names, safety warning texts and contact details, and the spray paint color can be adjusted as your specific market requirements for your branded liquefied petroleum gas cylinder and portable LPG tank.
Q3: What is the service life and regular inspection cycle of HR40037 gas cylinder?
A: The design service life of HR40037 50LB cylinder is 15 years. Mandatory hydraulic safety inspection is required every 4 years during normal service to guarantee safe filling and daily usage of the high pressure LPG cylinder valve equipped gas bottle.
Q4: Is sample order supported before bulk mass purchase?
A: Sample orders are fully supported. Customers only need to cover sample production cost and international shipping fee, and samples can be finished and delivered within 3–5 working days for testing gas bottle valve and cylinder quality.
Q5: How do you handle production-caused quality defects after goods delivery?
A: All finished cylinders pass 100% air tightness and hydraulic pressure tests before shipment. If any production-related quality problem occurs, we provide free replacement of defective products and bear the corresponding logistics costs for every liquefied petroleum gas cylinder.
Q6: Can you supply complete DOT documents for customs clearance?
A: Definitely. We can offer commercial invoice, packing list, certificate of origin, factory batch inspection report, official DOT safety certification and all supporting customs clearance documents for smooth customs clearance in Americas for bulk commercial propane tank shipments.
Q7: Is HR40037 compatible with mainstream American LPG valves?
A: HR40037 adopts standard YSF-RA-1A valve interface that matches most mainstream LPG valves popular in Central & South American markets. Custom special ODM gas cylinder brass valve and high pressure LPG cylinder valve can also be manufactured according to your special technical requests.
