Self Locking Half Turn 7S/9Nm 6W Ball Valve Actuator

Three distinct position 180°(half) turn compact actuator / 4 sets of limit switches

Features

• Turning angle smaller than 360° operation, middle position can be set
• Multiple power supply optional, 24VDC, 24VAC, 110VAC, 220VAC
• 3 sets with 6 limit switches for 3 positions, open, close and middle respectively
• Fully enclosed squirrel-cage asynchronous motor/heavy duty
• Self-locking at any position
• Two auxiliary limit switches to confirm valve position
• Non-ventilated motor with high starting torque and small inertia force
• Manual override
• Metal worm gear drive prevents back driving and hunting
• Standard ISO5211 direct installation
• CSA certified per UL 429 and CSA C22.2, CE mark

Description

DCL-02B can be used to drive valve or swinging arm with full range angle that is no more than 90 degree. The motor is automatically stopped by internal cams striking limit switches. Two more passive contact auxiliary limit switches are added to confirm valve position. Very compact size with unique design, the last stage drive with worm gear to insure self-locking.

DCL provides customized design service for some special requirements. All series actuator can set one more required middle position between full open and full close position. Wiring diagram can be designed per customer’s demand. Actuator with middle position is commonly used in applications that need a pre-set intermediate control position, such as T type 3-way ball valve.

Specification