Model NO.: HLT
Condition: New
Capacity: 333PCS/8hours
Vessel Diameter: Dn250-800mm
Wall Thickness: 2.5-8mm
Welding Torch: Double or Single Welding Torch
Cylinder Material: HP295
Noise Level: <45dB
Warranty: 1 Year After Delivery
Cylinder Size: 6kg, 12kg, 25kg, 48kg, or Customized
OEM & OEM: Ok
Trolley Motion Speed: 100-500mm/Min
Trademark: LONGTERM
Transport Package: Standard Seaworthy Package
Origin: China
HS Code: 830710000
Circumferential Welding Machine for 15kg Cylinder ProductionA. Product Description
The pressure cylinder welding machine is designed for MAG welding of LPG, LNG cylinders, fire extinguisher bottles, and other similar vessels. It offers a wide range of applications in the manufacturing of gas storage tanks and industrial containers.
Vessel diameter: DN250-800mm
Wall thickness: 2.5-8mm
Welding speed: Varies depending on the welding machine (Panasonic or Lorch)
Material: Carbon steel or stainless steel
Welding torch: Double or single welding torch
Production capacity: Approximately 333 pieces per 8 hours

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Model |
Auto Circumferential & Linear Welding Machine |
Features | Strong and reliable structure & design Fast welding speed (0.8m/min) Low noise level <45dB Easy operation Water cooling with copper backing covered with Argon gas |
Applications | Our Circumferential Welding Machines are most commonly used in tank production. ?   LPG cylinder ?   LNG gas station ?   Cryoease ?   Storage tank |
Range of Working Piece | Range of working piece Thickness of working piece: 2.5mm-6mm Dia. of working piece: 250mm-400mm Length of working piece: ≤1500mm, could be customized |
Custom Designed Equipment Components | For any welders we fabricate and install, we can incorporate the controls system necessary. We program and wire electrical controls such as: ?   Programmable Logic Controllers (PLCs) ?   Standard Push Button Controls ?   Emergency Stop Buttons ?   Safety Sensors ?   Audiovisual Alarms ?   Data Acquisition |
Standard Accessories | Water cooling welding torch Automatic cycling water tank Panasonic welding machines |
Packing Details | Plywood cases/boxes |
MOQ | 1 set |
Warranty | 1 year after delivery |
Payment | T/T, L/C, D/P, Western Union |
OEM & OEM | OK |
Longitudinal Seam Welding Machine | |
Description | Data |
Effective length | 1500 |
Clamping | pneumatic with keyboard and clamping board |
Clamping control | footswitch/remote control |
Trolley motion speed | 100-500mm/min |
Wall thickness | 2.0-4.0mm |
Mandrel cooling | external water cooling |
Cable assembly | drag chain |
Circumferential Seam Welding Machine(Single Head & Double Heads Welding) | |
Description | Data |
Welding Speed | 0-1000mm/min |
Welding Current | 5-400A |
Payload capacity | 200kg |
Wall thickness | 2.0-4.0mm |
Rotation speed | 0.05-0.5rpm |
Diameter coverage | OD300-OD500mm |
Speed regulation | AC frequency conversion |
Suitable for work-piece length | 1500mm |
Clamping | pneumatic cylinder |
Support | manual operation support |
Capacity(for Double Heads Welding) | 1.1 or 2 torches are usually built in 2. Multiple torches up to 4-5 3. Adjustable for various thickness 4. Precision longitudinal track for smooth travel |
B. Manufacturing ProcessÂ

Manufacturing Process

Shot blasting machine

Zinc metalizing machine

C. FAQ:
LPG Cylinder Manufacturing Equipment
Q: What size of LPG cylinder can your machine produce?
A: Our machines can produce 6kg, 12kg, 15kg, and 50kg LPG cylinders for cooking and other sizes based on customer requirements.
Q: Can you design machines according to LPG cylinder technical drawings?
A: Yes, please send us your technical drawings for customization.
Q: What are the benefits of choosing your machines?
A: Our machines are known for their durability and reliability, ideal for long-term industrial use.
To provide you with the best proposal, please share the following details:
We need the following information to quote you the right equipment:
1. Technical drawing of the cylinders you want to make.
2. The size of the cylinder you want to produce (e.g., 6kg, 12kg).
3. The diameter and thickness of the cylinder you want to make.
4. Are you new to this industry or do you already have some machines in your workshop?
5. Your required production capacity, i.e., how many pieces and sizes you want to make per day.
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