Low-density foam pig is mainly used to absorb liquid and dry the pipeline. High-density foam pig can remove impurities deposited in the tube. Foam pig can be contracted, good flexibility, small damage to pipes and valves and other equipment, strong passing ability, once jammed, pressure can break the pig, will not cause the pipeline jammed stop phenomenon.
In the construction and operation of long-distance natural gas pipelines, pigging is a very important. For new pipelines, the main purpose of pigging is to remove the water in the pipeline and construction remnants. The presence of water will accelerate pipeline corrosion. Hydrate is easy to form in the pressure regulating and throttling area, resulting in ice blockage of pipelines and equipment, threatening the safe operation of pipelines. For the pipelines that have been put into operation, the main purpose of pigging is to remove the impurities dust in the pipe and improve the efficiency of pipeline transportation.
Name Bare Foam Pig
Performance
[1] Soft texture and good flexibility[2] With strong water absorption, the deformation amount can reach 60%[3] Used for dewatering, cleaning, and drying of pipelines.Starting pressure: 0.02 MPa
Density: 35 kg/m³~220 kg/ m³
Withstand pressure: 7 MPa
Stretch rate: 320%
Compression ratio: 60
Flex life: 50,000 times
Attrition rate: 4 mm/100 km
Operating distance: 50 km150km
Operating temperature: -30℃~100℃
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