Annovi Reverberi Diaphragm Pump - AR70-SP

Semi-hydraulic two-diaphragm pump, for use in low pressure systems. Parts in contact with pumped liquids in plastic-coated aluminium Rilsan and AISI 303/304.

Diaphragms in NBR. Seals in NBR. Die-cast casing with oil-immersed mechanism and clear plastic tank for visual level checking.

Fitted with air-hydraulic damper for smoother operation and less hammer effect in the delivery circuit. Oil drainage stopper. 

Pistons with ring for a more efficient “oil cushion” system to protect the diaphragm.

Spherical sector profile valves for lower flow resistance and improved volumetric efficiency. Rugged feet secured to pump casing.

Diaphragms	2
Max flow (lpm)	74.1
Max flow (gpm)	19.6
Max Pressure (bar)	20
Max Pressure (psi)	290
Power (Hp)	3.4
RPM	550