Crane Process Flow Technologies GmbH






Positive Displacement Pump. The pump formerly known as Alfa Laval DEPA Air Operated Diaphragm and ELRO Peristaltic Pump, right now both pump under CRANE Process Flow Technologies.


DEPA is an Air Operated Diaphragm Pump, the pump suitable to transfer abrasive, viscous and shear sensitive media, dry self-priming, and also suitable for use in explosive and hazardous area.


ELRO is a Peristaltic Hose Pump, suitable for use in chemical, food and beverages, cosmetics, and waste disposal industry. Dry self-priming up to 9,5 m lift, integrated early warning system and ideal for abrasive, viscous, and shear sensitive media.


Product Data


DEPA, Air Operated Diaphragm Pump

DL (Standard), DH (Polished SS316L), DP (Powder), DB (High Pressure), DF (Drum), and DZ (Dual Action)
Case material, Metal (Aluminium, Cast Iron, Stainless Steel 304/316L), Non-Metal (Polypropylene and PTFE)
Double diaphragm, four ball valves, internal or external air control unit.
Diaphragm material, Rubber (NRS), EPDM, Viton, Nitrile, and PTFE.
Seat and Ball Valve material, NRS, EPDM, Viton, Nitrile, Stainless steel, PTFE.
Capacity from 0,5 m3/hr up to 50 m3/hr
Pressure from 1 bar to 7 bar, DB up to 21 bar
Pump size from 1/4 inch to 3"  


IP-Series and M300-Series
Capacity from 0,1 m3/hr up to 30 m3/hr
Maximum working temperature is 80 deg. C
Pressure up to 13 bar
Hose material are Natural Rubber (NR), Nitrile Rubber (NBR), Butyl Rubber (IIR), Hypalon and EPDM.
ELRO, Peristaltic Hose Pump



Pulsation dampener (Active or Passive)
Filling control
Mobile units
Diaphragm monitoring system
Flanges, fittings and quick couplings
Suction and discharge hose
Suction filters
Slow start air valve
Suction pipes
Air service units