Chris-Marine
Valve Spindle Grinding Machine / 75H
Machine for grinding of valves on high and medium speed diesel engines, and valves and valve seats on smaller 2-stroke diesel engines,.
- For valve disc diameters smaller than 180 mm
- Used together with an existing standard lathe
- Designed for precision grinding of valve spindle seat face for medium speed and auxiliary diesel engines
- Template for correct setting of grinding angles
- Diamond dresser for grinding wheel tuning
- Pneumatically driven grinding motor
Pneumatic Valve spindle Grinding Machine
Valve spindle grinding machine: For precision grinding
75H is a valve spindle grinding machine to be used together with an existing standard lathe. Not only is it designed for precision grinding of the valve spindle seat face on medium-speed and auxiliary diesel engines, but also for valve spindles and valve seats on smaller 2-stroke diesel engines.
Moreover, 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 are fitted for reliable operation. A high-precision grinding motor assures high-quality grinding results. 75H delivers high quality grinding results quick and easy, thanks to its robust and smart features. It is therefore a great machine to use when grinding.
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 tuning
- Grinding wheels for all types of valve spindle materials
- Used together with an existing lathe
- For valve disc diameters smaller than 180 mm
When not in use, the grinding machine and accessories are stored in the included storage box (protective carrying case).
Available for several engine makers like:
- Bergen
- MAN B&W
- Sulzer
- Wärtsilä
Want to know more about our grinding & machining equipment? Read more here.
Technical Specifications
| Specification | Feature |
|---|---|
| Air pressure | 0.6 – 0.9 MPa (6 – 9 bar or 85 – 130 psi) |
| Air consumption | 800 l/min |
| Weight | 5 kg |
| Max dimensions | W: 260 mm, D: 193 mm |
| Air hose connection | 12.5 mm (1/2″) |
| Machine capacity, valve disk diameter | Smaller than 180 mm |
| Noise level | 75 dB (A) / 73 dB (C) |
| Normal grinding time | 10 – 15 min |
For complete technical specifications, download the product sheet or contact our technical team.
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Accessories & Consumables
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Accessories & Consumables
Grinding Wheels / CBN
Choosing the right grinding wheels for a specific job is the key aspect for achieving superior grinding results. Chris-Marine’s grinding wheels have been carefully selected, tested and proven for each type of metal alloy, surface finish and workload.
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Power Packs
Hydraulic Power Unit Series / HPU
Portable Hydraulic Power Units for all hydraulic tools.
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Cylinder Heads
Valve Seat Lathe / VSL
Portable lathe for in-situ machining of valve seats on 4-stroke diesel engines.
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Cleaning & Surface Preparation
Spray Washing Machine / SWM
Machine for cleaning of small and medium sized components.
Get in touch
Need help choosing the right configuration?
Our technical team can advise on the correct setup for your engine type and operation.
Contact our team