In order to apply to drivers cab reconstruction, we researched and developed the JZ-7G brake valves, the main parts of which are under the control desk, only the operating handles on the control desk.

Features:1) Cylinder diameter: Φ207mm2) Height:a) Pressure ring: 7.9cmb) Sprayed molybdenum ring: 7.85cm3) Tangential grinder elasticity:a) Pressure ring: 6 - 8kgfb) Sprayed molybdenum ring: 5.3

Features:1) Φ280 piston rings with sprayed molybdenum, piston rings sprayedwith molybdenum and strengthened with Nb, piston rings with taperface and oil control rings are Suitable for 280 series d

Features:1) 9 advanced equipment for machining piston rings were imported in 19882) New materials and technology were used in the production of piston-ringsfrom Φ180 - Φ300 according to the

Features:1) Φ280 piston rings with sprayed molybdenum, piston rings sprayedwith molybdenum and strengthened with Nb, piston rings with taperface and oil control rings are Suitable for 280 series d

Features:1) 9 advanced equipment for machining piston rings were imported in 19882) New materials and technology were used in the production of piston-ringsfrom Φ180 - Φ300 according to the in

Features:1) A wide range of investment castings of different materials withcomplicated shapes and internal cavities2) High requirements on dimensions and characteristics can be met accordingto custome

Features:1) A wide range of investment castings of different materials withcomplicated shapes and internal cavities2) High requirements on dimensions and characteristics can be met accordingto custome

Features:1) Range of rotation: 300 - 1,200rpm2) Speed ratio: 0.92%3) Fluctuation ratio: ≤1%4) Instantaneous speed ratio: ≤10%5) Applied to locomotive of: 12V240A6) Working ability: 27N.m