Johnson Impeller pumps for particularly heavy-duty use If you are looking for a pump with more power and higher performance, take the Johnson Pump Marine brand high-performance pump with flexible impeller and separate bearing housing and shaft seals for less wear and longer service life. These pumps are suitable for all marine applications and can be used as cooling water pumps, bilge pumps, deck cleaning, emergency and firefighting pumps, etc. Available in sizes from ¾' to 2 ½' (13 l/min to 625 l/min). Wearing parts can be easily replaced and Service kits are available for all standard models. Vacuum switches available as accessories. Technical data: Pump housing. Bronze Connection for vacuum switch Shaft: Stainless steel Seals: Mechanical seal Cam: Full or partial comb Base: Cast iron with permanently lubricated double ball bearings Connection: BSP or NPT Impeller: 09-802B-1 (09-814B-9**) Connection: 2' BSP Weight: 9.3 kg - 21 Ibs Drive shaft Ø: 17 mm Dimensions Length: 282 mm - 11.1' Width: 120 mm - 7.56' Height: 157 mm - 6.18' *Pump with nitrile Impeller available on request **Pump with alternative Impeller available on request