circulation pump dab A
circulation pump dab Acirculation pump ABD for heating and air conditioning systems.
TECHNICAL CHARACTERISTICS
- Operating range: flow from 1 to 12 m3/hour, pressure up to 11 m.
- Liquid temperature range : from-10 °C to +110 °C.
- Pumped liquid: clean, without solid inclusions and mineral oils, not viscous , chemically neutral, with characteristics close to water (max. glycol content 30%).
- Max. operating pressure: 10 bar (1000 kPa).
- Degree of protection: IP 44.
- Insulation class : F.
- Cable entry: PG 11.
- Installation: shaft engine in a horizontal position.
DESIGN FEATURES
Pump housing – cast iron, motor housing made of die-cast aluminum.
Impeller – technopolymer, the rotor shaft made of hardened stainless steel is mounted on graphite bushings, lubricated and cooled by the pumped liquid.
The flange connections of the B and D series pumps have threaded holes for connecting pressure gauges or control sensors.
The rotor casing, stator sleeve and hydraulic flange are made of stainless steel.
Thrust bearing – ceramics, O-rings – EPDM, air release plug – brass.
A two-pole asynchronous electric motor with a wet rotor in a single-phase version has 3 rotation speeds, in a three-phase version 2 rotation speeds. The single-phase version has built-in overload protection.
Dual version pumps have a built-in check valve and a blank flange for removing one of the electric motors.
