Regin

VTTB15-0,25 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

Specifications for VTTB15-0,25
Connection G 1/2"
Actuator connection M30 x 1,5
Stroke 2.5 mm
Nominal diameter DN15
Kvs 0.25 m³/h
Max. diff. pressure 250 kPa
Specifications for VTTV / VTTR / VTTB - 2-way, 3-way and 3-way (bypass) zone valves DN15-20, kvs 0.25-6.0
Application Heating, Cooling, Fan coil, Chilled beams
Pressure rating PN16
Connection types BSP externally threaded according to ISO 228/1
Flow characteristics Linear
Leakage 0.0 % of Kvs (No leakage)
Media Hot water, Cold water, Glycol-mixed water (max. 40 % glycol)
Closing direction When stem is pulled outward
Media temperature 2…95 °C
Body Brass CW614N
Seat Stainless steel 1.4305
Plug PA + GF
Stem PA + GF
O-rings FKM
Stuffing box PPO + GP
Spring Stainless steel

Accessories