| Automatic overspeed air intake shut down (shut off) valves with shut down on loss of oil pressure combined with manual start override / manual emergency shut down CHALWYN TMZ AND AMZ VALVES Fully automatic engine overspeed protection valves with an input port to also give a shut down on loss of an oil (or air) pressure signal. Supplied complete with a cable and lever to enable the valve to be held open prior to the supply of the oil (or air) pressure signal and, when operated in the reverse direction, to enable a manual emergency shut down. |
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| Other air intake valve options Simultaneous automatic shut down of diesel fuel supply Internal crankcase breather modifications |