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Φ80 single hydraulic prop

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Place of Origin: China - Shandong - Zibo
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Product Details

DW(06~20)-250/80 single hydraulic prop

In order to implement the national law on safety in production, strengthen safety management to coal mine roof support, carry out prop reform, realize coal mine “life project”, cancel wood props, tremendously promote the application of metal single hydraulic props, Zhengchang develops new DW (06-20)-250/80 single hydraulic props. This series of products are extremely suitable for mines with a rather thin coal seam. Weight of this new product is the same with that of wood prop of the same specification, but is much simpler to operate, reduces the labor intensity, saves both time and energy, and improves the coal mining yield. More importantly, such products greatly enhance roof support safety, guarantee miners’ safety and provide reliable protection to the safety production of coal mine enterprises. Because this product is easy to repair and can be recycled, it reduces enterprise costs and improves the economic benefit of coal mine enterprises. Zhengchang Φ80 single hydraulic prop has obtained a national patent, filled up the domestic blank and now been widely used in mining Group companies in Longyan and Yong’an of Fujian, also coal mines with extremely thin coal seam in Hunan, Hubei, Guizhou, Sichuan and Chongqing. Practice proves that Φ80 single hydraulic prop has the following features:

  1. Can ensure safety and prevent roof accidents. Compared with wood props, Φ80 single hydraulic prop boasts great supporting strength, strong bearing capacity and a good mining surface prop drawing roof cutting effect.

  2. Light weight, easy to operate. The weight is almost the same with that of wood prop of the same specification; speed of prop raising and drawing in an instant is rather high, so it can save labor time, improve work efficiency and makes it easy for workers to use in extremely thin coal seam face.

  3. Long stroke, wide application scope, can still meet constant increase and distance decrease in case of roof setting; it is convenient to draw prop, improving the prop recycling rate and can be used when the coal seam thickness reaches 0.6m.

  4. Easy to repair and maintain. During use, seal abrasion often appears, just replace the sealing elements, the prop can be used again.

  5. Cost-saving, improving economic benefit. Compared with similar products, every prop can save RMB 150 to 200.

  6. The adoption of new environmentally friendly anti-corrosion technology makes the prop have a strong corrosion resistance and rather high surface hardness, greatly extending the service life of prop.  

  7. Compared with similar single props, Φ 80 single prop has the feature of it can still be used normally even the plunger surface is damaged.


  8.Φ 80 single prop can still play the role of supporting even when the extremely thin coal bed pitch is about50°.

Solemn After-sales Service Commitment

Zhengchang attaches great importance to after-sales service. In addition to superior quality, after-sales service is the most important commitment. Zhengchang has a professional after-sales service team. No matter which region its products are sold to, that region would have special after-sales personnel, and offices and repair stations will also be built in that region, helping users to select models, design and train operators, so that they will master the theories, technical features of the single props and ground operation specifications.

Zhengchang provides on-site underground installation guide until the worker can operate independently, sends personnel to visit its customers irregularly to get users’ comments on use, solves problem in a timely manner when any issues arise, repairs or replaces the product timely during product warranty periods and normal application period, and dispatches corresponding personnel to customers’ sites anytime upon receiving customers’ notice, so as to ensure users’ production.

In an honest, pragmatic and innovative spirit, Zhengchang serves customers and satisfies users wholeheartedly.


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