The Actuated Butterfly Valves are suitable for heating and cooling applications. They can also be employed for industrial applications, general services and water treatment.  The VB series is equipped with standard On/Off or modulating (4~20mA,) control quarter-turn electric actuator.

FEATURES

1.         Cast Iron or nodular cast iron Wafer Body

2.        Centric butterfly valve with elastomer liner

3.        For On/Off or Modulating Control

4.        Manual override non-clutch design. Manual operation can be operated without any lever, clutch or brake upon power voltage.

5.        Visual mechanical position indicator for accurate visual reference of valve position

6.        Anti-condensation heater and 2 aux. limit switches on standard model

7.        Worm Gear Permanently lubricated and self locking

8.        Stall Protection Built-in thermal protection

VALVE
 
Flow media
 Cold and hot water, water with max. 50% volume of glycol
 
Temperature of medium
 -10°C.. +100°C
 
Rated pressure
 1600 / 2760kPa
 
Leakage rate
 Air bubble-tight (Bo 1, DIN 3230)
 
Size
 DN150-DN500
 
Material
 Body Cast Iron or nodular cast iron ,Shaft Stainless Steel,
 
Disc Ductile Iron with epoxy coating
 
Liner EPDM
 
Actuator
 
Actuator
 QCF/QCM
 
Output torque
  200-2500N.m
 
Power supply
 AC220V or AC/DC24V
 
Run time
 15S~,90S
 
Operating power
 40~200VA
 
Output angle
 90°± 3°
 
ON/OFF control signal
 1 wire or 2 wire control
 
Modulating control signal
 4~20mA
 
Feedback signal
 4~20mA
 
Installation position
 Upright to horizontal（No upset）
 
Protection class
 IP66
 
Ambient conditions
 - 10°C .to 55°C   0..90% RH
 
Weight
 1.5~50kg
 
Material
 Steel. Aluminium Alloy