Горный надувной упаковщик 40 мм

 Shandong Yacheng Petroleum Technology Co., Ltd.(YCPT) was established in 2016 while the mother company Dongying Xincheng Petroleum Technology was founded since 2003, and located at the second largest oilfield of China—Shengli Oilfield in Dongying city, which is famous as “oil city” in China. In domestic, we are first class supplier in vendor list of CNPC, SINOPEC, and CNOOC, and member of CCOIC,CCPIT and so on. 

The company is committed to develop, manufacture and supply of oilfield equipment, like oil and gas drilling rig equipment and spares, handling tools like hydraulic power tong, elevator,pneumatic spider, mud pump with spares, BOP equipment, Gate valve, manifold and swivel joint,etc. 

We have established a complete quality control system, all products& equipment manufactured as per international standard ISO 9001 and API standard.

Inflatable packers/water injection grouting packers for mining,coal...

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.
Techincal 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%