The LPG cylinder inspection equipment produced by our company is suitable for use under normal ambient temperature of -40℃~60℃, with a nominal working pressure of 2.1MPa, a nominal volume of not more than 150L, and repeatable filling of LPG cylinders.
Cylinder periodic inspection items include: appearance inspection, valve seat inspection, wall thickness determination, hydraulic test, cylinder valve inspection and assembly, air tightness test. After the appearance inspection, if there is any doubt about the volume of the cylinder, the volume should be measured (supplementary inspection).
The Liquefied Gas Cylinder Inspection Equipment Manufacturer!
Hangzhou Dongbei Mechanical & Electrical Equipment Co. Ltd. is a large-scale manufacturer specializing in the production of various types of gas cylinder testing, cleaning, filling, conveying and painting equipment.
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Why choose us
Production Capacity
The production department of the company has 1 production minister, 1 deputy production minister, 8 team leaders, 25 skilled workers, with strong organizational and production capacity, and can complete the production tasks assigned by the company on time and in quality and quantity.
Quality assurance
We have 100% quality guarantee to customers. We will be responsible for any quality problem.
Customer Service
Our customer service team is committed to providing exceptional support and addressing any concerns promptly. We prioritize clear communication and proactive problem-solving to ensure a seamless experience for every client.
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Water ring vacuum pump model |
2sk-1.5 |
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Pumping capacity (max) |
1.5m³/min |
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At suction pressure -0.093Mpa |
＞0.9 m³/min |
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Ultimate pressure |
0.097Mpa(~73mmHg column) |
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Power |
5.5kw |
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Rotate speed |
1440r/min |
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Water supply |
10-15 L/min |
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Residual liquid separator volume |
0.6m³ |
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Residual liquid separator design pressure |
0.6Mpa |
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Gas-water separator volume |
0.15m³ |
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Gas-water separator design pressure |
0.6Mpa |
Advantages of Liquefied Gas Cylinder Inspection Equipment
Preventing dangerous accidents
Cylinder testing is designed to catch even small structural problems early, preventing catastrophic accidents and injuries.
Cost savings
Instead of replacing older cylinders before testing is due, you can have them recertified and save money.
Meeting TPED / DOT specifications
Instead of replacing older cylinders before testing is due, you can have them recertified and save money.
Avoiding penalties and fines
Transporting cylinders that are outdated or have not been tested can lead to costly fines and other penalties, jeopardizing your business.
Providing peace of mind
When you have cylinders that contain flammable or dangerous materials, regular hydrostatic cylinder testing ensures that they are safe and leak-free.
Increase efficiency
By working with a single partner to achieve a seamless solution throughout your project lifecycle.
Testing Stages of LPG Gas
Hydrostatic Pressure Testing
Once the cylinders of LPG gas are manufactured, they are hydrostatic pressure tested. In this process, the cylinder is filled with water and the pressure applied on it is much more than that which would occur during normal use. The intention behind this is to check if the cylinder can bear the LPG gas it will contain or not. If there is deformation, leakage, or failure at this stage, then it indicates a flaw in the cylinder's construction.
Leakage Testing
Leak tests are done to ensure the cylinder's sealing and valve mechanisms. In this step, the cylinder is pressurized with gas, and seams, valves, and connections are inspected carefully for leaks. One of the common methods applied is the bubble test, in which soapy water is applied to all potential leak points. Any bubbling is considered a leak that must be attended to before the cylinder can be deemed safe for use.
Post Production Testing
When the cylinder clears these preliminary tests, it goes for final post-production inspection where all the required safety valves, regulators and fittings are mounted onto the cylinder. These are of great importance in ensuring that consumers can safely use it.
Requalification Testing
Periodic requalification tests are critical after the cylinder is in service. This comprises pressure tests and visual inspections to ensure that, over time, the cylinder will continue to be safe and show no signs of wear or damage that could affect its performance. Routine maintenance checks help prevent leaks and identify potential problems before they become serious safety issues.
★When recovering residual liquid and residual gas under vacuum state, it is necessary to prevent a large amount of air from being pumped into the system, to avoid the formation of explosive gases (the volume concentration of the explosive range of liquefied petroleum gas in the air is 2.5~9.5%).
★Cut-off valves and venting valves are set up before the gas nozzle to prevent the leakage of cut-off valve, and to prevent the gas leakage into the incinerator before the ignition, so that an explosion occurs in the furnace chamber when at ignition. Therefore, after stopping the furnace or before ignition, must close the two cut-off valves, and open the air release valve to test if the first cut-off valve is leaking. Once the leakage is found, the first cut-off valve should be replaced immediately (to test the leakage of the second cut-off valve, can first close the second cut-off valve when the nozzle cut out, to observe whether the flame is extinguished, and to determine whether it is leaking).
Packing and Shipping
FAQ
Hangzhou Dongbei Mechanical And Electrical Equipment Co., Ltd. is one of the most professional liquefied gas cylinder inspection equipment manufacturers and suppliers in China. Please feel free to buy high-grade machinery made in China here and get pricelist from our factory. All customized machines are with high quality and low price.
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