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Valve Spindle Grinding Machine / 75H

For grinding of valves on high and medium speed diesel engines, and valves and valve seats on smaller 2-stroke diesel engines, in existing lathes

The Chris-Marine 75H-type grinding machine is used together with an existing standard lathe, and designed for precision grinding of the valve spindle seat face for medium speed and auxiliary diesel engines, but also for valve spindles and valve seats of smaller 2-stroke diesel engines.

The grinding machine is air driven and easy to operate. It is of robust construction and designed as a professional tool for grinding valves both onboard and ashore. An air filter and an oil mist lubricator is fitted for reliable operation. A high precision grinding motor assures a high quality grinding result. Due to its sturdy design and incorporated features, a high quality grinding result is achieved quickly under the most demanding operating conditions.

The Chris-Marine 75H features:

– high precision air driven grinding motor

– Template for correct setting of grinding angles

– Air filter and oil mist lubricator included

– Diamond dresser for grinding wheel truing

– Grinding wheels for all types of valve spindle materials

When not in use, the grinding machine and accessories are stored in the included storage box (protective carrying case).

Available for several engine makers, such as: Bergen, MAN B&W, Sulzer, Wärtsilä etc.

Technical specification

Air pressure0.6 - 0.9 MPa (6 - 9 bar or 85 - 130 psi)
Air consumption800 l/min
Weight5 kg
Max dimensionsW: 260 mm, D: 193 mm
Air hose connection12.5 mm (1/2")
Machine capacity, valve disk diameterSmaller than 180 mm
Noise level75 dB (A) / 73 dB (C)
Normal grinding time10 - 15 min