Flexbalance Plus F DN 65 is a hydraulic pressure equaliser designed for heating systems with multiple circuits and pumps. It helps to separate the primary and secondary circuits, equalises dynamic pressures and contributes to stable system operation. The flanged version is supplied with a Flexvent Super automatic air vent, a pocket for a temperature sensor (G 1/2"), a drain ball valve for sludge removal, and PALL rings. The hydraulic pressure equaliser is designed in accordance with VDMA 24770.

Key features

• Hydraulic pressure equalisation between circuits in systems with multiple pumps
• DN 65 flanged connection for easy installation into pipework
• Integrated air venting (Flexvent Super) and draining/sludge removal
• Suitable for water and glycol mixtures up to 50%
• Operating parameters up to 10 bar and –10...120 °C

Technical parameters

Connection	DN 65, flange
Capacity	180-330 kW
System flow rate	10-17 m3/h
Operating pressure	0.2-10.0 bar
Operating temperature	–10...120 °C
Medium	water / water+glycol (max. 50%)
Material / finish	steel, powder coating
Volume	17.5 l
Kvs (ΔP = 1 bar)	131 m3/h