Regin

ZMD225-10 ZMD - 2- and 3-way control valves DN15-40, kvs 0.25-25, 5.5 mm stroke

Externally threaded control valves intended for use in heating and cooling systems together with the RVAZ4… series of electromechanical actuators. A hand wheel for manual operation is delivered with the valve.

Specifications

Specifications for ZMD225-10
Connection Internal G 1"""" on union end
Actuator connection Standard for RVAZ4 actuators
Rangeability 50:1
Stroke 5.5 mm
Nominal diameter DN25
Kvs 10 m³/h
Max. diff. pressure 400 kPa
Nipple Galvanized malleable cast iron
Cover lid DZR brass CW511L
Specifications for ZMD - 2- and 3-way control valves DN15-40, kvs 0.25-25, 5.5 mm stroke
Application Heating, Cooling, Ventilation, Fan coil
Pressure rating PN16
Connection types BSP externally threaded according to ISO 228/1
Flow characteristics Linear
Leakage 0.0 % of Kvs ()
Media Hot water, Cold water, Glycol-mixed water (max. 50 % glycol)
Closing direction When stem is pulled outward
Media temperature 2…110 °C
Body Brass CW614N
Seat Brass CW614N
Plug Brass CW614N
Stem Stainless steel 1.4305
Seat packing EPDM
O-rings EPDM
Stuffing box Chromed brass CW614N
Nut Galvanized malleable cast iron
Fitting seal Novatec Premium 2, Nitrile bonded aramid fibre with graphite

Accessories