Märkisches Werk Component
Valve Spindles
Inlet and exhaust valve spindles for large-bore engines (150-640 mm bore) running on gas, MDO, HFO, bio and future fuels.
Description
Märkisches Werk (MWH) produces inlet and exhaust valve spindles for large-bore engines with bore diameters from 150 to 640 mm, used in marine main and auxiliary engines as well as locomotive and power generation engines. Valves are designed for natural gas (LNG/LPG), marine diesel oil, heavy fuel, bio fuels and future fuels including methanol, hydrogen and ammonia.
Key features
- Proprietary MW WR Superalloys developed to extend component life in gas, low-sulphur and future-fuel engines
- Nimonic exhaust valves for HFO applications, introduced by MWH in the 1970s
- Materials also include stainless steels, iron-based alloys, titanium and titanium aluminides
- Hardfacing in Stellite, Triballoy, Colmonoy, MW WR Superalloys or PVD coatings
- 40 to 50 controlled in-house manufacturing steps
- Serialisation with 100% traceability
Specifications
| Bore diameter range | 150 to 640 mm |
|---|---|
| In-house manufacturing steps | 40 to 50 |
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