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Product description
Use: Coal injection, dust-fall, coal pressure reduction, coal-crack, methane drainage, etc.
Function:
1.Moisture enters into coal mass, releasing some gas, and reducing the gas content in the coal body.
2.It can reduce the 80% dust, improve workers' working environment, and completely eradicate dust explosion accidents when water injection reaches the desired impact.
3.Wetting coal mass to prevent the spontaneous ignition of coal body.
4.High pressure water injection, breaking coal mass, reducing cost, and enhancing the workers feeling of safety.
5.Use the hole sealing device to efficiently prevent the gas stress and explosion.
Structure: It is made of high pressure expansion hose, safety valve, and rapid-acting coupling.
TECHNICAL PARAMETER
Hole-sealing diameter:30~120mm(also can be processed according to customers’ needs )
Working pressure:1-8MP(processed according to the customers’ needs)
Start-up pressure of the safety valve:0.4-0.5Mpa
Working flow:4-4.5 tons of water per hour
Depth of hole-sealing:1m-8m
Expansion coefficient of the hose:60%-100%
Note:
The inflatable hoses or the inflatable packers couldn't be bended, so when you place the order, please make consideration of the length
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