The ABPA22PL is a 22mm automatic angled differential bypass valve designed to stabilise circulation, flow rate, and pump pressures in heating systems. It automatically opens to bypass when thermostatic radiator valves close, maintaining optimum boiler flow and preventing unnecessary cycling.
Product No: ABPA22PL
Size: 22mm
Max. working pressure: 10 bar
Max. working temperature: 100°C
Adjustment range: 0.1–0.5 bar differential pressure
Flow capacity: 1–5 m³/h
Application: Heating systems with zone or thermostatic radiator valve control
