Pre-adjustable Combi valves, PN 25, internally threaded for
ventilation and air conditioning plants for control on the water side and automatic hydraulic balancing of terminal units, such as fan coils, induction units, and in heat exchangers for heating or cooling.
heating zones like self-contained heating systems, apartments, individual rooms, etc.
closed circuits
Technical Specifications
Stroke
2.5 mm, To DN 15: 2.5 mm mm, DN 20: 5 mm mm, DN 25-32: 5.5 mm mm, DN 40-50: 15 mm mm
Leakage rate
Class IV (0…0.01% of volumetric flow V100)
Ambient temperature, operation
1…50 °C
Valve characteristic
Linear
Material, inside set
Dezincification resistant brass (DR), CW602N, stainless steel, PPS
Connecting thread
Rp ½"
Mounting position
Upright to 90° inclined
Δpmax
800 kPa kPa
ΔPmin
19 kPa
SUA.. Δpmax
600 kPa
SUA.. ΔPmin
19 kPa
SSA..
Δpmax
600 kPa
SSA..
ΔPmin
19 kPa
SSD.. ΔPmin
1380 kPa
SQD.. Δpmax
19 kPa
STA..3..
Δpmax
600 kPa
STA..3..
ΔPmin
19 kPa