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Manual DiaphragmPumps
These are the traditional mainstay of small craftbilge pumping systems and can offer surprisingly good flow rates, as well as a variety of installa- tion options. Yacht racing rules state that at least one pump must be capable of being pumped from the cockpit with all hatches shut. The best way to accomplish this is with a through deck kit which allows the pump to be installed safelybelow decks while the operator pumps fromabove. A well designed manual bilge pump is very hard to block due to its large bore hose and valves and one piece diaphragm. The larger pumps in Jabsco’s line of manual bilge pumps are also suitable for ballast and waste transfer. Introduction Electric DiaphragmPumps
These pumps are excellent for shallow bilge boatswhere the water left behind by other types of pumps will slop from side to side. With the small size of inlet plumbing they are very effective as bilge pumps, removing all but the last drops of water. Diaphragm pumps can be run dry which removes the need to watch overboard outlets while the pump is running. The ability to self- prime means they can be mounted in an easily accessible high and dry location to simplify installation and improve serviceability. Most models in the line are supplied complete with a Pumpgard™ strainer to protect the pumps from bilge debris. WARNING No pump manufactured by Jabscoshould be used for gasoline,petroleum products or any fluid witha flash point below 100°F (38C). Bilge Pumping Systems - 44