Introduction
The VSI46 valve is assembled with an electric or electro-thermal actuator used in ventilation and air-conditioning systems for terminal unit control.

 

Application
For the on/off control of water flow in water-based air-conditioning system, especially for FCU systems as zone valve used in Commercial buildings, Residential buildings, Light industrial buildings

 

Features
Hot-forging brass valve body
Internally threaded connections
Hard sealing disc
Manual adjuster
Can be fitted with motorized actuator (SEA21) or electro-thermal actuators (SEH30)

 

Operating pressure : PN16
Valve characteristic : linear
Stroke : 2.5mm
Leakage rate :(3-port) path AB→A 0...0.05% of Kvs

bypassAB→B max. 2...5% of Kvs
Medium temperature : 0'C...+110'C
Valve body : brass
Stem : stainless steel
Plug, seat, gland : brass
Stem seal : EPDM O-ring

 

Selection table

Model No. DN(mm) Kvs(AB→A) Kvs(AB→B) Connections Loading (PCS/Carton) VSI46.20 20 3.5m3/h 2.45m3/h Rp3/4' 60 VSI46.25 25 5.0m3/h 3.5m3/h Rp1' 60