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