For a constant flow control as proportional regulator working without auxiliary energy. Nominal value infinitely adjustable, lockable and lead sealable.
Oventrop double regulating and commissioning valves “Hydrocontrol VFC/VFR/VFN” are installed in the risers of hot water central heating and cooling systems and serve to achieve a hydronic balance between the different risers of the system.
Oblique pattern model with secured, infinitely adjustable fine presetting controllable at any time. Optical display of the presetting irrespective of the position of the handwheel. All functioning components in one plane. Installation in the supply and the return pipe.
Valve body and bonnet made of bronze, stem and valve disc made of brass resistant to dezincification (DZR), disc with PTFE seal, maintenance-free stem seal due to double O-ring.
All functioning components in one plane, pressure test point and fill and drain ball valve are interchangeable.
Both ports flanges according to DIN EN 1092-2. Lengths according to DIN EN 558-1, basic series 1.