VTTV20-2,5 VTTV / VTTR / VTTB - 2-way, 3-way and 3-way (bypass) zone valves DN15-20, kvs 0.25-6.0

Valves for control of heating and cooling in fan-coil or chilled beams applications. The valves are intended to be used together with the thermal RTAN and RTAOM actuators. They are available as 2- and 3-way versions, as well as bypass versions. The valves have linear flow characteristics. The adapter for RTAOM…actuators is delivered with the valve.

Specifications for VTTV20-2,5
Nominal diameter DN20
Connection G3/4"
Kvs, A-AB 2.5 m3/h
Kvs, B-AB - m3/h
Max. diff. pressure 250 kPa
Actuator RTAN, RTAOM100
Specifications for VTTV / VTTR / VTTB - 2-way, 3-way and 3-way (bypass) zone valves DN15-20, kvs 0.25-6.0
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 % of the kvs value
Media Hot water, cold water, glycol-mixed water
Media temperature 2…95°C
Stroke 2.5mm
Adapter Included for RTAOM…actuators. No adapter is needed for RTAN… actuators.
Body Brass CW614N
Plug PA + GF
Stem PA + GF
Spring Stainless steel
Packing box PPO + GP
O-rings FKM
1885136

Nut and olive

1886274

Nut and olive

1884709

Nut and olive

OVC-Z15

Pipe connection

OVC-Z20

Pipe connection

OVC-Z25

Pipe connection