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LPG Gas Cylinder Refurbishment Production Line

  • HLT

  • LPG

  • Medium Pressure (1.6MPa≤p<10.0MPa)

  • New

  • 3~50kgs

  • Available

  • LPG Gas Cylinder Refurbishment Production Line

  • Full Automatic

  • Tt/LC

  • Repair The Old LPG Cylinder

  • Available

  • 4 Months

  • Customized, 500, 1000 PCS Per 8 Hours

  • 200-420mm

  • Standard Seaworthy Package

  • 1 Month

  • 42 Kw

  • Around 10

  • Flow Production Line

  • Standard Seaworthy & Strong Package

  • SGS, ISO

  • Comflex

  • Wuxi, Jiangsu, China(Mainland)

  • 85152100

  • 20 Plants One Year

  • Available | Customized Request

Product Description

LPG gas cylinder refurbishment production line
LPG Gas Cylinder Refurbishment Production Line

LPG cylinder detection flow chart
Appearance inspection--Residual liquid and residual gas detection--Dismounting angle valve--Incinerator incineration--Water presure testing--Shot blasting and rust removal on steel cylinder surface--Cylinder spraying and curing--Check weight--install angle valve--Air tightness test--Vacuuming--Printed word--Warehouseing

LPG Gas Cylinder Refurbishment Production Line

I. Machinery list

Equipment name



Residual liquid removal machine



Manual type pour residual frame


Valve mounting and dismantling machine(dismantling)



LPG Cylinder incinerator furnace



Equipped with additional device:

TL-1B cylinder loading and unloading device


desulphuration and dust removing device



Forced air cooling


Automatic Hydro testing machine

YS-4C Hydro water pressure testing machine(22kg) with video scanning serial code & testing record


YS-4C Hydro water pressure testing machine(50kg) with video scanning serial code & testing record


AH-28 Pump Station


YC-6T Shot blasting & derusting machine


CPS/X-1 Type Automatic Cylinder loading & unloading mechanical arm

Bag-type dust collector


Zinc Metalizing Machine

Powder coating line


Valve mounting and dismantling machine(mounting)



Air leakage testing machine(22kg)



Air leakage testing machine(45kg&50kg)



Air injection gun/distributing air cylinder


Vacuum machine



YF-1 Valve calibration machine



PSJ-1 Lifting platform

GS-1 Roller conveyor

Burst Pressure testing machine

II. Technical specification:

1. Residual liquid removal machine

Used for the recycling of residual gas and liquid in the LPG cylinder.

1. Power:7.5kw

2. Gas & liquid separator:0.4m³

3. Air source pressure:0.4-0.6Mpa

4. Turnover period:<30s/time

5. One time residual cleaning time:≥2min

6. Overall size:4700*1500*2050mm

7. Working efficiency: 125 cylinders/hour

LPG Gas Cylinder Refurbishment Production Line

2. Valve mounting and dismantling machine

Suitable to mounting and dismantling the valves of model

YSP-10, 15 and 50 LPG cylinders.

1. Motor power:1.5kw

2. Drive speed ration:1:30

3. Main shaft speed ration:31r/min

4. Air source pressure:0.5-0.6MPa

7. Working efficiency: 125 cylinders/hour

8. Overall size:600*600*1800mm

LPG Gas Cylinder Refurbishment Production Line

3. LPG Cylinder Incinerator furnace
Used for burning off the paint on the old cylinders and liquid inside the cylinder

1. Furnace chamber temperature setting: <400ºC

(On the basis of meeting the requirements of burning bottles)

2. Workpiece temperature: ≈400ºC

3. Consumption of gas and fuel: Fuel burner type(100,000kcal), 4~5Kg/h·set

4. Power supply: 3.3Kw

5. Speed ratio: 493

6. Overall dimension: 15000 x 1500 x 1800mm

7. Working efficiency: 125 cylinders/hour

LPG Gas Cylinder Refurbishment Production Line

4. YS-4C Automatic Hydro pressure testing machine

Air pressure: 0.6Mpa

Water test pressure: 3.2Mpa (adjustable)

Holding time: 60s

Irrigation time: 90s

Dewatering time: 50s

Motor power: 3KW

Weight of machine: 4ton, 6ton

No. of stations: 6 station

Size of cylinder available: 320*700-420*1250mm

LPG Gas Cylinder Refurbishment Production Line

5. Shot blasting & derusting machine

LPG Gas Cylinder Refurbishment Production Line
6. Fully-automatic powder coating line

LPG Gas Cylinder Refurbishment Production Line

7. Valve moutning and dismantling machine (mounting)

Parameter is similar as No.2. Valve mounting and dismantling machine

8. Air leakage testing machine

1. Working pressure testing: 2.1MPa

2. Air cylinder working pressure: 0.5~0.6MPa

3. Working efficiency: 150pcs/hour(on basis of YSP-15 standard), 6 stations

4. Weight: 3T

LPG Gas Cylinder Refurbishment Production Line

9. Vacuum machine

1. Pumping rate: 15L/S

2. Ultimate pressure: ≤6×10-2 Pa

3. Motor power: 2.2Kw

4. Temperature rise: ≤80 ºC

5. Noise: ≤80 dB(A)

6. Inlet diameter: Φ40 mm

7. Pump revolution speed: 320 rmp

8. Oil consumption: 2.8L

9. Overall dimension: 790mm*530mm*540mm

10. Weight: 190kg

11. Working efficiency: 75pcs/per machine/per hour

10. The cylinder valve calibration table

The machine is used to align the LPG cylinder valve.

1. Medium pressure air pressure:>2.1MPa

2. Testing pressure: 2.1Mpa

3. Air cylinder working pressure: 0.4-0.5MPa

4. Test medium: Compressed air

5. Working efficiency:75pcs/h

11. Printing machine

The machine adopts the scraper printing principle, it is suitable

for cylinder inspection center and cylinder manufacturer.

It is ideal LPG cylinder printing equipment.

1. Working efficiency:150Pcs/h

2. Air source pressure:0.5-0.6Mpa

3. Printing cylinder specification: QGB50×400MF2

Bottle cylinder specification: QGB50×200MP2

Pressing cylinder specification: QGB50×100MF1

4. Overall size:1200*800*1220mm

5. Weight: About 200kg

LPG Gas Cylinder Refurbishment Production Line

12. Automatic Zinc metalizing machine

1. Arc spraying zinc machine total power: 15KVA*N

2. Vacuum cleaner engine power: 5.5KW

3. The compressed air input pressure: 0.55~7Mpa

4. Diameter of the zinc wire: 2-3mm

5. Rated input voltage: 220V~280V

6. Productivity: Max. 90 pcs/hour

7. Zinc wire consumption: 93 kgs/hour

8. Full load power of zinc metalizing line: 50KW

Consumption of 0.5-0.7Mpa compressed air : 8m³/min

III. Introudction of our company

LPG Gas Cylinder Refurbishment Production Line

Wuxi Longterm Machinery Technologies Co., Ltd is the leading supplier of complete turnkey solutions for the LPG cylinder manufacturing. The whole process from blanking to powder coating and finishing line. With professional technical back ground, we have been engaged in welding research since 1975. We have fully automatic line from trimming, joggling, valve bung welding, handle and bottom welding to automatic MIG body welding, the whole line involves only 7 workers with output 2000pcs per 8hrs. The circumferential seam welding machines are completed with both video and laser tracing devices which ensure good welding quality continuously. Our machine has been exported to many country, such as America, Russia, Turkey, Vietnam, India, Thailand, Bangladesh, South Africa, etc..They are popular all over the world and bring big profit by saving a lot of labor, electricity and time.

IV. What can we provide
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
* Training how to install the machine, training how to use the machine.
* Engineers available to service machinery overseas.


* Please provide the cylinder size needs to be repaired
* Please specify the daily processing volume, such as 500 or 1000 units per 8 hours
* Please provide your estimated budget for this project, and we can recommend the machine standard accordingly.



Copyright  2018 Wuxi Longterm Machinery Technologies Co.,Ltd. all rights reserved.

Address :No.2-18 Longshan Road, Wuxi National Hi-tech Industiral Development Zone, Jiangsu,China
Contact person: Ms. Kelly Huang
Tel :+86-510-85225618,85226980
Cellphone/Whatsapp :+86-15052276858, 13182761356
Skype ID:Kellyhuang7110
Wechat:+86 15052276858  
QQ: 188081344