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Help CenterGas Drainage Hole Sealing Device!High Quality!Low Price
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Gas drainage hole sealing device
We have reserched and developed various gas drainage hole sealing devices and hydraulic fracturing hole sealing devices of different working principles and performances and meeting different working environments according to specific requirements of different coal mines, and have obtained Mining Products Safety Label.
Application: water injection for coal, gas drainage
Function:
1 By injecting water into coal mass, some of the gas can be discharged, thus the gas content of the coal mass can be effectively reduced.
2 If water injection achieves the desired effet, the dust can be redued by more than 80%, thus improving the working environment and avoiding dust explosion accident.
3 It can dampen the coal and prevent spontaneous combustion of coal.
4 After adopting advance drainage bore hole and working face drainage system, the gas gushing amount and drilling cuttings amount at the drainage borehole increases obviously, thus reducing the risk of outburst greatly. It helps to release the ground stress and gas pressure effectively and avoids accidents in coal cutting.
5 It has solved the problem of transfinite gas in coal cutting and outburst prevention drilling, and can efectively prevent coal and gas ouburst and explosion.
Structure:
The hole sealing device is composed of high pressure rubber expansion hose, middle tube, sliding seal joint and injection pressure connector.
Techncial Parameter:
Sealing diameter: 65-150mm (can be processed according to customer’s requirements)
Working pressure: 1-6Mpa (can be processed according to customer’s requirements)
Start-up pressure of relief valve: 0. 4-0. 5Mpa
Working flow: water injection 5t-8t/h. Gas drainage volume depends on concentration and pressure
Sealing depth: 0. 5m-3m
Hose expansion coefficient: 60%-100%
Operation Guides and Precautions
1 Connect the waterway or airpump on the working site to the injection joint of the hole sealing device, and connect the middle tube to the gas drainage piping. Fully insert the hole sealing device into the borehole. Under certain pressure, the hole sealing device hose expands to realize hole sealing, water injection or gas drainage.
2 The gas drainage hole sealing device can be used repeatedly for serveral times. After water injection, remove the pressure, and the hoel sealing device can get back into shape, then you can take the devie out.
3 It is forbidden to insert and take out the device with pressure.
We can offer OEM Services
We can provide FREE SAMPPLE for our customers
We can crimp hose assembly for our customers.
We welcome clients to visit our factory leading to better understanding of our production.
Hebei Lianxing Rubber and Plastic Co., Ltd. is located in Hengde Industrial Park, at the junction of Shandong and Hebei. We currently employ 89 people, including 3 managers, 30 engineering technicians (including 3 senior engineers and 16 engineers). Our company covers an area of 51000m2, including 17000 m2 for work shops. Now we have a total assets of 60000000 yuan, including 40000000 yuan in fixed assets. We are an innovative company integrating research and development, production, technology innovation and sales.
We have more than 100 sets of safety production equipment including knitting machine, winding machine, flat vulcanizing machine, rubber and plastic pressure kneading machine, vulcameter without rotator, tensile testing machine, testing equipment, etc.
Packaging Details：in woven bags then into wooden case or at your request
Delivery Detail: within 15 to 20 days according to your quantity
1. Are you a manufacturer or trading company?
We are a professional hydraulic hose fittings manufacturer with ten years' experience. We have done business with our customers well.
2. What is payment method?
For samples: T/T, western union.
For orders: T/T or L/C.
3. Do you offer free samples?
We can provide free samples and you should pay the freight. After you place an order, we will give back the freight.
4. Do you offer OEM service and can you product as our drawings?
Yes. We offer OEM service. We accept custom design and we have a professional design team who can design products based on your requirements. And we can develop new products according to your samples or drawings.
5. Do you accept our design on boxes?
Yes. We accept custom design on boxes.
6. What's your delivery time?
Generally, we will arrange shipment within 15 days after receiving the deposit. If urgent, we can also meet your requirement.
7. Is your price higher than other companies?
Since we have been a professional manufacturer for many years, we can control our quality and costs well. So our prices are very competitive. And we dedicate to establishing long-term and friendly relationships with all the customers.
8. How do you control the quality?
We will arrange sample confirmation before production. During the production, we have professional QC staffs control the quality and manufacture in accordance to the confirmed sample. We will also guarantee the accuracy of packaging and send you shipping sample. Welcome to our factory to inspect.
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