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Balance compensation bidirectional lock

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ZHENGZHOU COAL MINING MACHINERY(GROUP)CO.,LTD.

Product Details
Company Profile

With two-way locking function, at the same time in the bidirectional unlocking with pressure compensation function.

Nominal pressure 50MPa
Nominal flow: 125L / min
The connection method: through the valve seat and the jack cavity connected, all interface for DN10
Main features: has the bidirectional lock function, at the same time in the bidirectional unlocking with pressure compensation function.
Scope of application: used to solve the supporter is connected at the top of the equilibrium jack of safety valve of the frequent opening ( bulk supporting the use of Yu Ning coal 2.8 meters and 5.5 meters, ITO support )

ZHENGZHOU COAL MINING MACHINERY(GROUP)CO.,LTD.

Location:
Business Type:
Main Products:hydraulic and pneumatic parts, casting and forging parts, die assembly,General machinery and equipment, Heavy duty mining machinery and equipment

ZMJ, A government company, established in 1958, was the first company in china to manufacture powered support longwall equipments. ZMJ enjoys a total market share for over 45% in china and it clients base includes the biggest names of coal companies in China like Shenhua Coal, Datong Coal, Shanxi Coal, Huainan Coal, Jincheng Coal mines, etc.

ZMJ factory is located in a wide area of 450, 000 sq. mtrs and has a total assets base of over USD 500million. We have and practice world class manufacturing & testing facilities which include pre – inspection of raw materials, stage inspections while manufacturing, using state of art manufacturing equipments and in – house testing laboratory for testing of hydraulic supports upto 6.5 mtr height and 15000 KN.

ZMJ has acquired an expertise for producing of supports for the height ranging from 0.55 mtr – 6.5 mtrs and yield load ranging from 1600 KN – 15000 KN. Also since inception the company has manufactured more than 80, 000 supports. Today we enjoy over 80% of market share for higher range of support that is over 5 m.

ZMJ has not only restricted its market in china but has also supplied to various international markets like Russia, Turkey, and India etc. We are going to supply long wall equipment package to India and Colombia. It will not be out of place to mention that we have supplied powered support equipment to SCCL through CME as back as 1990s. And we are sure that our product has proved the test of time.

ZMJ has been accredited with various awards of State as well as national level, however, recently it has been awarded for “Outstanding Company in the coal Industry by China Coal”

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