Model NO.: LONGTERM Machinery
Production Scope: Product Line
Size: 6kg, 12kg, 15kg, 50kg
Weight: 12 Ton
Material: Steel
Capacity: 23 Pieces/Minute
Material for Cylinder: HP295
Cylinder Thickness: 2.65–4mm
Customized: Available
Machine Name: LPG Gas Cylinder Blanking Machine
Cylinder Length: ≤120mm
Blanking Machine Pressing: 630T
Trademark: LONGTERM
Transport Package: Standard Seaworthy Packaging
Origin: China
Automatic LPG Gas Cylinder Production Line
Machine List:
Production Process

Mechanical Decoiler, Straightening and Blanking Line

Deep Drawing Machine

Automatic Flushing Machine for Deep Drawn Heads
After deep drawing, the heads must be flushed before entering the automatic welding machine.
Automatic Trimming & Polishing Machine with Arms for Both End Dishes
This high-efficiency machine uses air-jacket clamping, automatic feeding, and trimming with an inclining hob. The width and slope around the edge of the shell are adjustable. This reliable and easy-to-operate machine automatically feeds in and out when connected to the production line conveyor.
Automatic Hole Punching & Logo Making Machine with Arms for Female Half/Top Half
Punches the hole on top of the cylinder and stamps the logo.
Automatic Socket Welding Machine with Arms
Used to complete the welding of valve seat ring joints. Ensures uniform forming, good appearance, weld penetration, and weld width that meets technological requirements. The clamping is convenient. Uses submerged arc welding technology for one-time girth welding.
Automatic Handle Welding Machine with Arms
Completes the automatic welding of the cylinder handle grip. Ensures concentricity, uniform forming, good appearance, weld penetration, and weld width that meet the technological requirements. The clamping is convenient. Uses COâ‚‚ gas shield welding for single-time welding.
Automatic Joggling Machine with Arms for Male Half/Bottom Half
Equipped with in and out conveyors and mechanical arms.
Automatic Bottom Base Welding Machine with Arms
Completes the automatic girth welding of the cylinder base. Ensures concentricity, uniform forming, good appearance, weld penetration, and weld width that meet the technological requirements. The clamping is convenient. Uses COâ‚‚ gas shield welding for single-time welding.
Longitudinal Seam Welding Machine
Not suitable for 12.5 kg or smaller cylinders, only for larger sizes.
Assembly & Spot Welding Machine
Assembles both halves of the cylinder together and prepares them for welding.
Double Head Circumferential Welding Machine
Fully automatic welding and monitoring.
Hydraulic Precision Sheet Shearing Machine
Four-Roller Rolling Machine
Includes loading and unloading.
LPG Gas Furnace
Automatic Hydro Testing Machine
For 35kg cylinders. Each cylinder has its own pressure gauge and can be controlled separately. Air pressure: 0.6MPa, Testing pressure: 3.2MPa, Motor pressure: 3KW, 8 stations required.
Drying Oven
The cylinder must be dried before blasting.
Shot Blasting Machine
Removes rust, oxide layer, and burrs from the pipe. Cleans welding slag, showing a metallic luster. Makes the surface bright and clean, improves paint adhesion, anti-fatigue, and anti-rust properties, enhancing the steel tube's quality and lifespan.
Zinc Metalizing Machine
Powder Coating Line
Coats the cylinder surface to protect it from rusting.
Valve Mounting Machine
Automatic Air Leakage Testing Machine
Full automatic leakage testing.
Printing Machine
Prints paint, logo, or information.
Conveyor Including Motor and Bends
Steel Coil Decoiler and Straightening
315 Ton Hydraulic Presser
For pressing the stamp on the handle.
Top Quality 200T Mechanical Punching Machine
Punches holes from the steel.
Handle End Bending Machine
Bends the handle end (optional).
Handle Rolling Machine
Rolls the steel into the handle shape.
160T Hydraulic Presser
Hydraulic Coding Machine
Steel Coil Decoiler and Straightening – Shared with Handle Decoiler and Straightening
Vertical Base Rolling Machine
Double Welding Position Welding Fixture
Can perform two welds at the same time.
Base Forming Machine / 100T Mechanical Punching Machine
Forms the base.
If you are interested and need more pictures and detailed information, feel free to contact us. We can also customize equipment according to your specific needs.
FAQ:
LPG Cylinder Manufacturing Equipment
Q: What size of LPG cylinder can your machine produce?
A: 6kg, 12kg, 15kg, and 50kg LPG cylinders for cooking, and other sizes as per customer requirements.
Q: Can you design machines based on LPG cylinder technical drawings?
A: Yes, please send your technical drawings to us.
Q: What are the benefits of choosing your machines?
A: Our machines are strong, reliable, and ideal for long-term industrial manufacturing.
1. Technical drawing of the cylinders you want to produce.
2. What size of cylinder you want to produce? (6kg, 12kg)
3. What diameter and thickness of the cylinder do you want to make?
4. Are you new to this area or do you already have some machines in your workshop?
5. What capacity do you require? i.e., how many pieces and sizes do you want to make per day?
Customer Reference List
1. TK Group in Bangladesh
2. Hangzhou Yuhang Zhangshan Steel Cylinder Co., Ltd. http://www.gangping.com, it is the third-largest LPG gas cylinder manufacturer in China, with a daily output of 18,000 pieces, including all sizes from 2kg to 50kg.
3. TPA is manufacturing extremely high-quality LPG cylinders for North America, Europe, UK, and Australia. http://www.tpagas.com, we supplied an automatic welding line for their China plant in Dongguan. Now we are building a new LPG gas cylinder factory in Vietnam, Hangphone, which will be set up and commissioned by the end of August 2017.
4. Shandong Huanri Group Co., Ltd. http://en.huanrigroup.cn/products_list/pmcId=24.html, they are the largest and strongest cylinder manufacturer in China, having purchased our machines for both 12.5kg and 15kg manufacturing, as well as 50kg manufacturing.
5. AYGAZ in Turkey, www.aygaz.com.tr, last week, they have already ordered the complete welding line from us after comparing with SAW welding.
6. Manchester Tank from USA
7. Sahuwala Cylinder in India
8. Delta LPG Limited (SEACOM Group), they are setting up a new plant, and we will be responsible for their 12.5kg and 33kg production lines.
Automatic LPG Gas Cylinder Production Line
Machine List:
No | Machine Name |
1 | Mechanical Decoiler, Straightening and Blanking Line (with Scrap Shearing Machine) |
2 | Deep Drawing Machine |
3 | Auto Flushing Machine for Deep Drawn Heads |
4 | Automatic Trimming & Polishing Machine |
5 | Automatic Hole Punching & Logo Making Machine |
6 | Automatic Socket Welding Machine |
7 | Automatic Handle Welding Machine |
8 | Lower End Dish Trimming and Polishing Machine |
9 | Lower End Dish Automatic Joggling Machine |
10 | Automatic Bottom Base Welding Machine |
11 | Assembly and Spot Welding Machine |
12 | Circumferential Welding Machine |
13 | LPG Gas Furnace (Heat Treatment) |
14 | Automatic Online Hydro Testing Machine |
15 | Drying Oven |
16 | Shot Blasting Machine |
17 | Zinc Metalizing Machine |
18 | Powder Coating Line or Liquid Painting Line |
19 | Valve Mounting Machine |
20 | Air Leakage Testing Machine |
21 | Printing Machine |
22 | Handle Decoiler & Straightening and Cutting Line |
23 | Handle Hole Punching Machine |
24 | Hydraulic Presser – Letter Stamping (Optional) |
25 | Handle End Bending Machine (Optional) |
26 | Hydraulic Coding Machine |
27 | Handle Rolling Machine |
28 | Handle Top R Forming Machine |
29 | Handle Low R Forming Machine |
30 | Vertical Bottom Base Rolling Machine |
31 | Double Welding Position Welding Fixture |
32 | Base Forming Machine |
33 | Hydraulic Precision Sheet Shearing Machine (33KG Only) |
34 | Sheet Rolling Machine (33KG Only) |
35 | Automatic Seam Welder (33KG Only) |
Production Process

Mechanical Decoiler, Straightening and Blanking Line

Deep Drawing Machine

Automatic Flushing Machine for Deep Drawn Heads
After deep drawing, the heads must be flushed before entering the automatic welding machine.
Automatic Trimming & Polishing Machine with Arms for Both End Dishes
This high-efficiency machine uses air-jacket clamping, automatic feeding, and trimming with an inclining hob. The width and slope around the edge of the shell are adjustable. This reliable and easy-to-operate machine automatically feeds in and out when connected to the production line conveyor.
Automatic Hole Punching & Logo Making Machine with Arms for Female Half/Top Half
Punches the hole on top of the cylinder and stamps the logo.
Automatic Socket Welding Machine with Arms
Used to complete the welding of valve seat ring joints. Ensures uniform forming, good appearance, weld penetration, and weld width that meets technological requirements. The clamping is convenient. Uses submerged arc welding technology for one-time girth welding.
Automatic Handle Welding Machine with Arms
Completes the automatic welding of the cylinder handle grip. Ensures concentricity, uniform forming, good appearance, weld penetration, and weld width that meet the technological requirements. The clamping is convenient. Uses COâ‚‚ gas shield welding for single-time welding.
Automatic Joggling Machine with Arms for Male Half/Bottom Half
Equipped with in and out conveyors and mechanical arms.
Automatic Bottom Base Welding Machine with Arms
Completes the automatic girth welding of the cylinder base. Ensures concentricity, uniform forming, good appearance, weld penetration, and weld width that meet the technological requirements. The clamping is convenient. Uses COâ‚‚ gas shield welding for single-time welding.
Longitudinal Seam Welding Machine
Not suitable for 12.5 kg or smaller cylinders, only for larger sizes.
Assembly & Spot Welding Machine
Assembles both halves of the cylinder together and prepares them for welding.
Double Head Circumferential Welding Machine
Fully automatic welding and monitoring.
Hydraulic Precision Sheet Shearing Machine
Four-Roller Rolling Machine
Includes loading and unloading.
LPG Gas Furnace
This furnace is designed to anneal LPG cylinders by applying flame from a gas burner. It includes a burner, combustion chamber, smoke collector, rails, chain roller, and exhaust system. Features include adjustable time, self-controlled thermometer, perfect heat treatment results, and reduced pollution.
Automatic Hydro Testing Machine
For 35kg cylinders. Each cylinder has its own pressure gauge and can be controlled separately. Air pressure: 0.6MPa, Testing pressure: 3.2MPa, Motor pressure: 3KW, 8 stations required.
Drying Oven
The cylinder must be dried before blasting.
Shot Blasting Machine
Removes rust, oxide layer, and burrs from the pipe. Cleans welding slag, showing a metallic luster. Makes the surface bright and clean, improves paint adhesion, anti-fatigue, and anti-rust properties, enhancing the steel tube's quality and lifespan.
Zinc Metalizing Machine
Powder Coating Line
Coats the cylinder surface to protect it from rusting.
Valve Mounting Machine
Automatic Air Leakage Testing Machine
Full automatic leakage testing.
Printing Machine
Prints paint, logo, or information.
Conveyor Including Motor and Bends
Steel Coil Decoiler and Straightening
315 Ton Hydraulic Presser
For pressing the stamp on the handle.
Top Quality 200T Mechanical Punching Machine
Punches holes from the steel.
Handle End Bending Machine
Bends the handle end (optional).
Handle Rolling Machine
Rolls the steel into the handle shape.
160T Hydraulic Presser
Hydraulic Coding Machine
Steel Coil Decoiler and Straightening – Shared with Handle Decoiler and Straightening
Vertical Base Rolling Machine
Double Welding Position Welding Fixture
Can perform two welds at the same time.
Base Forming Machine / 100T Mechanical Punching Machine
Forms the base.
If you are interested and need more pictures and detailed information, feel free to contact us. We can also customize equipment according to your specific needs.
FAQ:
LPG Cylinder Manufacturing Equipment
Q: What size of LPG cylinder can your machine produce?
A: 6kg, 12kg, 15kg, and 50kg LPG cylinders for cooking, and other sizes as per customer requirements.
Q: Can you design machines based on LPG cylinder technical drawings?
A: Yes, please send your technical drawings to us.
Q: What are the benefits of choosing your machines?
A: Our machines are strong, reliable, and ideal for long-term industrial manufacturing.
To enable me to provide you with the correct proposal for the right machines, please provide the following details:
We need the following information to quote you the correct machinery:1. Technical drawing of the cylinders you want to produce.
2. What size of cylinder you want to produce? (6kg, 12kg)
3. What diameter and thickness of the cylinder do you want to make?
4. Are you new to this area or do you already have some machines in your workshop?
5. What capacity do you require? i.e., how many pieces and sizes do you want to make per day?
Customer Reference List
1. TK Group in Bangladesh
2. Hangzhou Yuhang Zhangshan Steel Cylinder Co., Ltd. http://www.gangping.com, it is the third-largest LPG gas cylinder manufacturer in China, with a daily output of 18,000 pieces, including all sizes from 2kg to 50kg.
3. TPA is manufacturing extremely high-quality LPG cylinders for North America, Europe, UK, and Australia. http://www.tpagas.com, we supplied an automatic welding line for their China plant in Dongguan. Now we are building a new LPG gas cylinder factory in Vietnam, Hangphone, which will be set up and commissioned by the end of August 2017.
4. Shandong Huanri Group Co., Ltd. http://en.huanrigroup.cn/products_list/pmcId=24.html, they are the largest and strongest cylinder manufacturer in China, having purchased our machines for both 12.5kg and 15kg manufacturing, as well as 50kg manufacturing.
5. AYGAZ in Turkey, www.aygaz.com.tr, last week, they have already ordered the complete welding line from us after comparing with SAW welding.
6. Manchester Tank from USA
7. Sahuwala Cylinder in India
8. Delta LPG Limited (SEACOM Group), they are setting up a new plant, and we will be responsible for their 12.5kg and 33kg production lines.
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