Butterfly valve and actuator
  • BU6.. Series Butterfly Valves, Wafer or Lug Pattern
  • for open/close or modulating control of cold and
  • hot water
  • application for chiller isolation, cooling tower isolation,
  • change-over systems, air handling unit, fan coil control,
  • by-pass and process control
Flow medium : Nylon coated disc: Cold and hot water
Temp. of medium : Nylon coated disc: 0...+95C
Nominal pressure : 1600kpa (PN16)
Max. close-off pressure : 1200kpa
Pipe connection : PN16, wafer or Lug
Data Sheet
Installation Manuel
  • D6.. H Series Butterfly Valves Flanged
  • For 2 point or modulating control of cold and hot water
Flow media : Chilled and hot water, sea water
Temp. of medium : -20C to +100C
Rated pressure : 2500kPa (PN25)
Max. close-off pressure : 2200kPa
Pipe connection : ISO 7005.2 PN25 lug DN50...500
Data Sheet
Installation Manuel
  • D6..MH/MW Series Butterfly Valves
  • 2-way Butterfly Valves Flanged
  • For Open/Close or modulating control of cold and hot water
  • Control by handle : D..L..MH/D..MH (DN50-150)
  • Control by worm gear : D..L..MW/D..MW (DN50-500)
  • Nominal pressure : 1600kPa (PN16)
Data Sheet
Installation Manuel
  • SY.. Large Torque Multi-function Actuators
Nominal Voltage : 230VAC, 24Vac
Control signal : Open/close, 3-point control or 2(0)...10VDC
Torque : 35.... 2000Nm
Housing type : IP67 / NEMA4
Auxiliary switches : (2)SPDT, 3 A AC250 V (SY1); 5 A, AC250 V (SY2....9)
Ambient temp. : -20 to 60C
Data Sheet
  • General rotary actuator for DN50..80 butterfly valve
  • Torque : 20Nm
  • Modulating control : SRVU24-SR-5 (AC/DC24V)
  • Open/Close control : SRVU24(-S)-5 (AC/DC24V)
  • SRVU230(-S)-5 (AC100...240V)
Torque : Min 20Nm @nominal voltage
Running time : 90s
Position Indicator : Mechanical, remote visible
Degree of protection : IP54
Data Sheet
Installation Manuel
  • General rotary actuator for DN100..125 butterfly valve
  • Torque : 40Nm
  • Modulating control : GRVU24-SR-5/-7(AC/DC24V)
  • Open/Close control : GRVU24-5/-7 (AC/DC24V)
  • GRVU230-5/-7 (AC100...240V)
Torque : Min 40Nm @nominal voltage
Running time : 150s
Position Indicator : Mechanical, remote visible
Degree of protection : IP54
Data Sheet
Installation Manuel
  • General rotary actuator for DN150 butterfly valve
  • Torque : 72Nm
  • Modulating control : DGRVU24-SR (AC/DC24V)
  • Open/Close control : DGRVU24 (AC/DC24V)
  • DGRVU230 (AC100...240V)
Torque : Min 72Nm @nominal voltage
Running time : 150s
Position Indicator : Mechanical, remote visible
Degree of protection : IP54
Data Sheet
Installation Manuel
  • Electronic fail-safe rotary actuator for DN50..80 butterfly valve
  • Torque : 20Nm
  • Modulating control : SRFU24-SR-5 (AC/DC24V)
  • Open/Close control : SRFU-5, SFRU-S-5 (AC24...240V) (/DC24V...125V)
Torque : Min 20Nm @nominal voltage
Running time - motor : 150s (SRFU24-SR-5), 75s(SRFU-5, SFRU-S-5)
Running time - spring return : 20s (@-20...+50C)
Degree of protection : IP54
Data Sheet
  • Electronic fail-safe rotary actuator for DN100...125 butterfly valve
  • Torque : 40Nm
  • Modulating control : GRKU24-MF-5/-7 (AC/DC24 V)
  • Open/close control : GRKU24-5/-7 (AC/DC24 V)
Torque : Min 40Nm @nominal voltage
Running time - motor : : 150s
Running time - POP : : 35s (@0...50C)
Degree of protection : : IP54
Data Sheet
  • ZS-SR / ZS-GR + General Rotary Actuators
  • with weathershield box for: DN50...100 Butterfly Valves
  • Torque: 18Nm/38Nm
  • Degree of protection IP66
  • Modulating and Open/Close control:
  • ZS-SR+SR..
  • ZS-GR+GR..
Data Sheet