PRODUCT IN DETAIL Watermaker
E/B3@3D3@GE63@3
The irony of going to sea is that although you are surrounded by
water you can’t drink any of it due to its salt content. Now Spectra
has increased the efficiency of onboard water-making B=;6/A93@@3>=@BA
Valve return spring Pump outlet valve Pressure vessel
Pump inlet valve Pump outlet to membrane
Filtered
seawater
inlet Valve stem connectingpump and motor valves
PistonPump
Low
pressureside
water flow Highpressure
water flowMotor
Valve stem seal Membrane
side
Motor inlet valve
Waste brine
outlet Fresh waterMotor inlet from membrane
output
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Motor outlet valve O
7ZZca`Spectra Pearson pump
Plunger seal Reciprocating plunger
ABOVE As the piston moves down it draws seawater in to the cylinder on the pump side, pushing waste brine from previous stroke out of the system
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August/September u0s
www.europeanboatbuilder.net
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