Danfoss VF 3 three-way seated flanged control-valve body, OEM order code 065B1685. VF 3 PN16 100/145 3-way seated flange Nominal size DN 100, Kvs 145 m³/h, nominal pressure PN 16 (16 bar), valve stroke 30 mm. Mixing valve (secondary pressure-relief function). Equal percentage flow characteristic, control ratio 100:1, seat leakage 0.05 % Kvs max; max closing Δp 1.5 bar mixing / 0.6 bar diverting. Materials: body Grey cast iron EN-GJL-250 (GG-25), cone Red bronze CuSn5Zn5Pb5 (Rg 6), stem Stainless steel, stuffing-box seal EPDM. For heating and cooling circuits on district heating/cooling circulation water (alt. glycolic water up to 50%), media temperature -10 °C to 130 °C. Motorised by a matched Danfoss AMV/AME electric actuator sized to the valve stroke. Net weight 38.6 Kilogram. Data quoted verbatim from store.danfoss.com (code 065B1685).