size: DN150-DN500 suitable for: heating and cooling applications, industrial applications water treatment

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 horizontalNo upset
Protection class	IP66
Ambient conditions	- 10°C .to 55°C   0..90% RH
Weight	1.5~50kg
Material	Steel. Aluminium Alloy

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