AIR DIAPHRAGM PUMPS
MARO

MARO MA Series models feature

MARO’s patented “Unbalanced”, stall-free air valve design and bolted construction for leak-tight integrity.
With maximum delivery rates of 651 l/min to 897 l/min, the new high-flow pumps are the ideal answer to big volume applications – where performance with economy are a must.

maro-series-1

1” Non-Metallic Performance Specifications

Ratio: 1 : 1
Maximum Capacity: 170 l/min (45 gpm)
Air Inlet: ¼” BSP-Female
Fluid Inlet: 1” ANSI/DIN Flange
Fluid Outlet: 1” ANSI/DIN Flange
Max. working pressure: 8.3-bar (120 psi)
Suspended solids max. dia.: 3.2 mm (1/8”)
Weight: kg (lbs)
MA25-PX (Polypropylene) 9.5 (21)
MA25-KX (Kynar) 12.9 (28.4)
Maximum dry suction lift: 4.5 m (14.8 ft)

maro-series-2

2” Metallic Performance Specifications

Ratio: 1 : 1
Maximum Capacity: 650 l/min (172 gpm)
Air Inlet: ¾” BSP-Female
Fluid Inlet: 2” BSP-Female
Fluid Outlet: 2” BSP-Female
Max. working pressure: 8.3-bar (120 psi)
Suspended solids max. dia.: 6.4 mm (¼” inch)
Weight: kg (lbs)
MA50-AX (aluminum) 29.6 (65.2)
MA50-SX (stainless steel) 58.9 (130)
MA50-CX (cast iron) 56.5 (124.3)
Maximum dry suction lift: 5.8 m (19 ft)

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