Description

The V4 Actuated Butterfly Valves are suitable for heating and cooling applications.cThe V4 series is equipped with standard On-Off control quarter-turn electric actuator. The V4 series can also provide feedback output signal: Dry contact for On-Off version. Description FEATURES • Wide size range (DN 50…500) • For On-Off Control with feedback signal • Manual override Hand-Wheel design. Manual operation can be operated without any lever, clutch or brake upon power voltage. • Irreversible worm gear. • Continuous position indicator for accurate visual reference of valve position. • Anti-condensation heater and limit switches on standard model • Over-torque protection function(except EM-0050 and EM-0090) • Enclosure IP67 SPECIFICATIONS Valve Sizes DN50…500 Nominal pressure PN16 Tightness Bubble tight Medium Temperature -10 ~ +90 Maximum ℃ ℃ Body Material GG25 (for DN50…DN150) GGG40 (for DN200…DN600) Stem Material SS416 Disc Material Epoxy coated ductile iron GGG40 Liner Material EPDM Medium Type Chilled and Hot water Pipe Connection ISO7005-2 Actuator Power Supply 220Vac, 50/60Hz Running time See table (1) Power Consumption See table (4) Travel Angle 90o ± 5o Input On-Off Feedback Dry contact Outdoor protection IP67 Waterproof Temperature -30 to + ℃ 70℃ Operating environment no strong corrosion media, no explosive mixture of gases, no strong vibration Indicator Continuous Position Indicator Manual Override Hand-Wheel Worm Gear Permanently lubricated and self locking Space Heater Yes Material Aluminum Alloy External Coating Dry powder coating Stall Protection 135 ± 10℃