Shandong China Coal Mining Single Hydraulic Props Co., Ltd.

The working principle of the hydraulic acrow props is the same as that of the hydraulic jacks! The lever pump or hydraulic pump regulates the lifting of the main piston by hydraulic oil! How the hydra

DN (06-18), DN (20-22)-300/90, DN (25-28)-250/90, DN (31.5- 35)-160/90, DN (-45)-150/110 The internal injection type mining single hydraulic prop series products are made of domestic high quality 27Si

The externally-injected mining DW single hydraulic props support(hereinafter referred to as “this product”) is manufactured with high-quality materials and advanced processing equipment. All parts are

The suspension column adopts a single structure which is completely different from the single hydraulic prop. The sealing area is at the handle body, and the inner wall surface of the cylinder does no

The single hydraulic prop is a new environmentally-friendly support equipment, which can be used with the metal hinged top beam for high-grade general mining and guns with working face support roof an

Single hydraulic props are transported over long distances, loading and unloading, which easily leads to damage to the sealing eye, the piston is bent, the cylinder is sunken, and the spring is detach