Hydraulic prop refers to a single retractable prop that uses liquid pressure to generate working resistance and achieves lifting and unloading. Hydraulic props are mainly divided into suspension type,
The DN internal injection type hydraulic prop working fluid is No. 5 hydraulic oil. When the column is returned to the column, the hydraulic oil flows back into the inner cavity of the living column t
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