screw type Rubber expansion tube

screw type fast hole-sealing implement, Rubber expansion tube / hose / pipe Rubber bulged tube / hose Hole packer  

. Use: Affusion or gas drainage.

. Function:

     1. Release earth stress close to the coal wall and gas in the soft coal;

     2. Drainage the gas in coal bed to increase safety index of workers;

     3. Can inject water into coal bed under normal pressure;

     4. Solved the problem of gas overrunning in outburst prevention and drilling to prevent gas extruding and exploding effectively. 

. Structure:

     It is composed of coat equipped with screw type pushing locking implement, master lever, expansion rubber cover, gland bush, ball valve and pumping choke plug.

. Technical Index:

     Sealing Hole Diameter: 7090mm   90150mm (processed according to customers requirements)

     Sealing Hole Depth: 0.5m1.5m

     Hose Expansion Coefficient: 10%30%

. Application Method and Notation:

 1. Convenient and efficient. You only need to connect the sealing hole implement with waterway or gas discharge pipe,  and make sure its entire body is in the hole, tighten the covering handle clockwise, locking location bolt to achieve sealing hole, affusion and gas drainage.

 2. It can be used repeatedly, after discharge the gas, loose the location screw bolt and covering handle anticlockwise, then it can return to normal and be taken out. Its key parts can be replaced easily, and increase its number according to customers requirements.

 3. After using the implement, clean the filtering net in the pumping choke plug, in case of affecting the discharge amount when used again.  4. Keep far away from oil, acid and alkali articles.

Specification: Standard or according to customers requirements

Packing: carton or according to customers request

Note: we can arrange production under American Standard (ANSI), German Standard (DIN), Japanese Standard (JIS) and non-Standard.

screw type Rubber expansion tube