FHS400/FHS125 hydraulic support for coal mine BZF reversing DHC control valve control valve group

Carbon steel FHS400/31.5Z hydraulic support for coal mine BZF combined directional valve control valve piece

Stainless steel FAD500/40 hydraulic support pipeline quick plug pressure regulating and relief valve safety valve for coal mine

Carbon steel FAD100L BSYF hydraulic support pipeline pressure regulating and relief valve mine safety valve

Pressure regulating fittings of stainless steel FAD250/40 hydraulic support pipeline for coal mine pressure relief safety valve

Application of Control Technology of two-position three-way stop directional Valve

The use of three-way globe directional valve control technology the oil inlet and outlet control of the traditional reversing valve is carried out through a spool, and the corresponding relationship between the two ports has been determined as early