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13:54 Aug 19, 2000
English to Spanish translations [PRO] Tech/Engineering
English term or phrase:midship pump
(Firefighter) trailer tanker pump.
(It is not a portable pump).
The midship pump provides what every firefighter demands: an immediate response every time it is engaged with dependable pressure and flow.
There are five general types of midship pumps, and all have an integral split-shaft chain drive transmission located in the driveline between the fire apparatus truck transmission and rear axle.
Some of the main features and advantages include:
Flame-plated impellers have a tungsten carbide surface much harder than tool steel, thus eliminating wear on the impeller wear ring hub resulting in extended life of the pump.
A pump transmission incorporating a silent and rugged x-driven chain that easily handles today's high-powered engines and provides long-lasting, trouble-free operating life.
Separable impeller shafts allowing for the separation of the pump and pump transmission without disassembling either unit. This means reduced repair costs and allows the use of spring-loaded mechanical shaft seals that have no leakage and require no routine maintenance.
A maintenance-free ball transfer valve providing smooth transfer to either pressure or volume without sticking.