Gas pipelines are used in every household. They are responsible for transporting natural gas from the source to other appliances such as cooking and heating. Therefore, gas pipe mechanical work is very important. Any failure may cause gas leakage, which brings significant risks.
Types of natural gas pipelines
Black pipes
Black pipes are strong, durable and corrosion-resistant. They are one of the most common types of pipelines in our daily lives. But its flexibility is very poor, so it is not easy to install and the price is relatively expensive
PE gas pipe
The full name is polyethylene gas pipe. It is a plastic pipe with a smooth surface, so it is resistant to friction and corrosion. Because it is plastic, it will not rust, and it is soft and easy to operate and install. The price is also relatively cheap, but its pressure resistance is very poor and it is not suitable for high-pressure wor
Hot-dip galvanized steel pipe
Hot-dip galvanized pipes have excellent durability and corrosion resistance due to the galvanized surface, and the zinc coating also forms a protective net to prevent rust. Therefore, in outdoor applications, galvanized pipes are often the first choice, but galvanized pipes also have the common problems of metal pipes, which are heavy and difficult to install and transport.
Flexible corrugated stainless steel pipe
FCSST, it has high plasticity, easy to transport and install, but it is expensive, and it is not strong and easy to damage, and the cost performance is not high.
Aluminum-plastic composite pipe
APCP, is a new type of gas pipeline that is very thin and fantastic. It is strong, resistant to high pressure, flexible, easy to install and easy to transport. But it is very expensive and has poor durability and is easily corroded
PVC
Made of synthetic plastic polymer polyvinyl chloride, it is approved for use in underground applications. It is corrosion-resistant but not heat-resistant.
Composition of natural gas pipeline system
- Pipeline,
- pipe fittings
- valves
- instruments
- regulators
Gas pipe mechanical work installation procedures
- Construction preparation
- Foundation and support structure construction
- Pipeline cutting and processing
- Pipeline connection
- Pipeline installation
- Anti-corrosion treatment
- System pressure testing
- Ventilation and commissioning
- Completion acceptance
- Subsequent maintenance (leak detection, visual inspection, regular maintenance, Alt-Text)
FAQs:
1.How to test whether the gas pipeline is leaking?
A simple soapy water test can help find any leaks.
2.What if the joint is not sealed properly and the gas leaks?
You need to apply sealant to the joint and make sure the joint is tightened.
3.What should I do if the air pressure is too high and there is a safety hazard?
Immediately ask a gas pipe mechanical work professional to check and adjust the gas pressure to avoid major safety hazards.
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