Waterax Inc

MK3 MARK-3® With Mercury Fuel Connector

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The backpack portable MARK-3® is the strongest available lightweight high-pressure fire pump and it has been the prefered pump of initial attack crews and forest agencies around the world since 1964. A truly outstanding and reliable performer, the MARK-3® fire pump is designed to withstand the rigors of fire fighting and it is at the core of most water delivery system in wildland operations.

FLOW RATE AT SPECIFIED PRESSURE

Maximum Pressure: 380 PSI (26.2 bar)
Maximum Flow: 98 US gals/min (371 L/min)
Maximum Head: 878’ (268 m)

PERFORMANCE 78 GPM (295 lpm) @ 100 PSI (6.9 BAR)
65 GPM (246 lpm) @ 150 PSI (10.3 BAR)
38 GPM (144 lpm) @ 200 PSI (13.8 BAR)
ENGINE Model & Type: WATERAX 185cc, 2-cycle, air-cooled, Nikasil cylinder
Maximum Power: 10 hp (7.5 kW) @ 5,500 rpm
Maximum Torque: 8.9 lb-ft (12 Nm) @ 5000 RPM
Starting System: Recoil starter with backup manual rope starter
PUMP Type: Detachable 4-Stage Centrifugal Pump
Intake: 2” Male NPSH
Discharge: 1-1/2” Male NPSH
WEIGHT Weight: 58.3 lbs (26.4 kg) FRAME Backpackable Frame DRIVE UNIT Direct Drive