Home > Products > Valves and Pipes > Gate valve > Z81W- High-pressure grooved gate Valve for mining,High-pressure grooved gate Valve for mining,gate Valve for mining

Z81W- High-pressure grooved gate Valve for mining,High-pressure grooved gate Valve for mining,gate Valve for mining

Product Code : VF--ZCC-Z123-CU

Technical features of Z81W- Mine high-pressure grooved gate Valve for long-distance liquid supply:

The mechanical high-pressure fluid control device selects pipelines of different diameters according to the requirements of different mines for emulsions, meeting the liquid supply requirements of the working face and ensuring the pressure and flow requirements of the emulsion at the working face.

2. The mechanical high-pressure fluid control device has good sealing performance, is not prone to leakage and has high safety.

3. It is convenient for disassembly, maintenance and repair.

4. The device can be arranged according to the actual roadway layout of the mine, saving space.

5. The device is equipped with a pressure display device, which can show the pressure at the pump station outlet and the emulsion pressure when entering the working face in real time in the system.

6. The device is equipped with a protective device. When the pressure is too high, it can protect the safety and stability of the device, the working object and the emulsion pump station.

Product installation and maintenance:

The handwheel, handle and transmission mechanism are not allowed to be used for lifting and must not be collided with.

2. Double gate valves should be installed vertically (i.e., the valve stem is in a vertical position and the handwheel is at the top).

3. Before opening a gate valve with a bypass valve, the bypass valve should be opened first (to balance the pressure difference between the inlet and outlet and reduce the opening force).

4. Gate valves with belt drive mechanisms shall be installed in accordance with the provisions of the product user manual.

5. If the valve is frequently opened and closed for use, it should be lubricated at least once a month.


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Product Product Code Purity Size Contact Us
Z81W- High-pressure grooved gate Valve for mining,High-pressure grooved gate Valve for mining,gate Valve for mining VF--ZCC-Z123-CU Customized Customized

The Z81W- mine high-pressure grooved gate valve is an ultra-high pressure gate valve used in remote liquid supply pipeline systems and long-distance liquid supply pipelines. It has a working pressure of up to 40Mpa and adopts multi-groove connection technology. It can be installed with ultra-high pressure steel pipe connectors.

The emulsion supply and return pipeline system of the remote (long-distance) liquid supply system in the fully mechanized mining face of coal mines. The distance liquid supply system, remote liquid supply system and fixed pump station remote liquid supply system in the fully mechanized mining face of coal mines are used

This is a pipeline system for the emulsion transportation of hydraulic supports in the fully mechanized mining face of coal mines. This technology realizes the long-distance separation of the emulsion pump station from the working face, improving the efficiency of mining in the working face. The long-distance liquid supply system for the fully mechanized mining face of coal mines includes the emulsion inlet pipeline, the emulsion return pipeline and the spray pipeline. Pipeline fittings include: It is composed of accessories such as ultra-high pressure steel pipe connectors, high-tear-resistant anti-static sealing rings, grooved seamless steel pipes, grooved ultra-high pressure gate valves, ultra-high pressure safety valve assemblies, ultra-high pressure gauge assemblies, ultra-high pressure quick-connect tees, ultra-high pressure manifold valves, ultra-high pressure dividers, ultra-high pressure converters, ultra-high pressure 8° elbows, ultra-high pressure 90° elbows, and pipeline hanging devices.


The emulsion supply and return pipeline system of the remote (long-distance) liquid supply system in the fully mechanized mining face of coal mines. The distance liquid supply system, remote liquid supply system and fixed pump station remote liquid supply system in the fully mechanized mining face of coal mines are used

This is a pipeline system for the emulsion transportation of hydraulic supports in the fully mechanized mining face of coal mines. This technology realizes the long-distance separation of the emulsion pump station from the working face, improving the efficiency of mining in the working face. The long-distance liquid supply system for the fully mechanized mining face of coal mines includes the emulsion inlet pipeline, the emulsion return pipeline and the spray pipeline


Packing of Standard Packing: 

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.




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+ 1 917 7225069
+ 1 917 7225069