Specifications for VFMD - 2- and 3-way control valves
Application |
Heating systems, cooling systems, fan-coil units, ventilation systems |
Pressure rating |
PN16 |
Connection |
BSP externally threaded according to ISO 228/1 |
Flow characteristics |
Linear |
Max. leakage |
0.0 % of kvs |
Media |
Hot water, cold water, glycol-mixed water |
Media temperature |
2…110°C |
Rangeability |
50:1 |
Stroke |
5.5mm |
Body |
Brass CW614N |
Seat |
Brass CW614N |
Plug |
Brass CW614N |
Stem |
Stainless steel 1.4305 |
Seat packing |
EPDM |
O-rings |
EPDM |
Nut |
Malleable cast iron, galvanized |
Nipple |
Dezincification resistant brass CW 602N (DN15-DN20), Malleable cast iron (DN25-DN40) |
Fitting seal |
Novatec Premium 2, Nitrile bonded aramid fibre with graphite |
Cover lid |
Dezincification resistant brass CW 602N |