Detailed Product Description

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
Body: Cast Iron or nodular cast iron ,Shaft, Stainless Steel,
Disc Ductile: Iron with epoxy coating
Material 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