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/0-10V,) control quarter-turn electric actuator.
FEATURES
1. Cast Iron or nodular cast iron Wafer Body
2. Centric butterfly valve with elastomer liner
3. Manual override non-clutch design. Manual operation can be operated without any lever, clutch or brake upon power voltage.
4. Mechanical Stops External Adjustable Limit stops
5. Stall Protection Built-in thermal protection
6. Low power consumption
7. Position feedback
8. Direct/reverse acting
9. 4-20mA/0-10V/2-10V choice
10. Maintenance free
11. Quick and easy installation
12. Accurate valve positioning
13. Indicator Continuous Position Indicator
14. Manual Override Non-clutch design
15. Gear Permanently lubricated and self locking
TECHNICAL DATA
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
DN40-DN125
Material
Body Cast Iron or nodular cast iron ,Shaft Stainless Steel,
Disc Ductile Iron with epoxy coating
Liner EPDM
Actuator
Actuator
QF/QM
Output torque
10, 16, 25, 40N.m
Power supply
AC220V or AC/DC24V
Run time
about 120S
Operating power
5VA
Output angle
90°± 3°
ON/OFF control signal
1 wire or 2 wire control
Control signal
4~20mA, 1~5V, or 0(2)~10V
Feedback signal
DC0 -10V
Installation position
Upright to horizontal(No upset)
Protection class
IP54
Ambient conditions
ZERO 10°C.. +55°C 0..90% RH
Weight
1.5...2.8kg
Material
Flame-resistant Abs