The Whale MK5 manual bilge pump is a hand operated bilge pump combining versatile design with high output. The MH5550 pump is designed for bulkhead mounting. It features twin diaphragms, to empty two bilge compartments at the same time or empty one twice as fast! As a nitrile diaphragm pump, it can be used to pump bilge water, saltwater or diesel.
The bilge pump is constructed from a robust glass filled polypropylene body with a glass filled nylon and acetyl operating lever. Reliability is ensured with non choke valves and a fully enclosed diaphragm. It contains an inspection hatch for quick and easy maintenance of the pump. This pump also features a removable handle.

Brand Whale
Country of Origin United Kingdom
Series MK5
Model MH5550
Flow Rate at 70 Strokes per Minute 104 LPM 27.5 US GPM
Flow Rate at 45 Strokes per Minute 64 LPM 17 US GPM
Inlet / Outlet To Suit 38mm 1 ~1/2 inch ID Hose
Removable Handle Yes
Applications Bilge Water, Salt Water or Diesel
Maximum Suction Lift 4.5 Metres 15 Feet
Maximum Recommended Head 4.5 Metres 15 Feet
Length Overall including removable handle: 630mm 24 ~3/4 inch
Width Pump Body: 292mm 11 ~1/2 inch
Height Pump Body: 203mm 8 inch
Certification / Approvals Approved by Lloyds MCA and USCG. Suitable as a primary bilge pump on boats equal to or greater than 12m 40ft in accordance with ISO150831.
Warranty Years 5