The free flow valve design makes the Mk5 ideal for a variety of pumping applications such as bilge, diesel transfer, emptying effluent tanks and vacuum toilet pump out. Suitable for both floor and bulkhead installations and can also be converted to through deck installation. The quick release cover makes for easy access and inspection of the diaphragm and valves, as well as clearing obstructions. Constructed from stainless steel, phosphor bronze, acetal, glass reinforced polypropylene and nitrile rubber.

BLA CodeCapacity L/mCapacity g/mMax Lift mMax Head mHose Size mm

131150 Through deck conversion kit

Spare Parts
131240 Service kit – nitrile
131242 Spare removable handle
131243 Rocker arm assembly – through deck
131244 Rocker arm assembly kit – bulkhead mount
131246 Diaphragm plate and pivot
131249 Diaphragm only – nitrile

N.B. Capacity measured at 70 strokes per minute.

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Manual Bilge & Toilet Pumps