DAB Circulating Pumps

DAB VA Single Pump Circulators {without Unions} for circulating hot water in closed and pressurised or open tank centralised home heating and air conditioning systems. Also suitable for solar power stations.

Applications
Pump for circulating hot water in centralised domestic heating and air-conditioning systems of the closed and pressurised or open tank type

Construction features
Single body comprising atechnopolymer hydraulic unit and a wet rotor motor. Bronze air separator. Die-cast aluminium motor casing. Technopolymer impeller. Tempered stainless steel driving shaft mounted on graphite bearings lubricated by the pumped liquid. Stainless steel protective rotor sleeve, stator sleeve and closing flange. Ceramic thrust brushings, E.P.D.M. „O“ rings and brass air outlet cap.
Two-pole asynchronous motor with squirrel cage rotor designed for three-speedoperation by means of a special switch on the terminal board which automatically adapts performance in relation to system requirements. Motor self-protected for resistance. No overload protection required.
Protection level: IP44
Insulation class: F
Cable grommet: PG 11
Installation: with horizontal motor shaft.
Working voltage: single-phase 230 V / 50 Hz
Special versions on request.: - alternative voltages and/or frequencies

TECHNICAL DATA
Operating range: VA - VB - VD: from 0,5 a 3,6 m3/h with pressure head of up to 6 m.
Liquid temperature range: VA - VB - VD: from -10°C to +110°C
Pumped fluid: clean, free of solidcontaminants and mineral oils, non-viscous, chemically neutral,
close to the properties of water (max glycol 30%).
Max. working pressure: VA - VB - VD 10 bar (1000 kPa)
Installation: with horizontal motor shaft.

 

Detailed Infomation

pdfDAB VA VB VD Pumps datasheet

pdfDAB Circulator Pump Comarison Booklet