Ball Valve By Drive Mode

Ball Valve By Drive Mode

ZECO electric actuated ball valve, Motorized ball valve is available for Electric actuator of on/off type, intelligent type(smart type, modulating type), it”s also available for explosion-proof of SIL1, SIL2, Exd, ATEX. Voltage is available for 220VAC/380VAC/450VAC, 1PH/3PH, 50HZ/60HZ. Protection grade available for IP63, IP65, IP67. Other functions and parts like a limit switch, remote control, manual override, position indication, position feedback, over-torque protection, space heater, auto inspection, intelligent alarm are also available upon request.

Ball Valves for Sale List by Drive Mode

Different Ball Valves Supplied by ZECO Valve

ZECO pneumatic actuated ball valve is available for spring return (single-acting, single effect) type, double acting(double effect) type. Pneumatic actuators usually equipped with accessories include limit switch, solenoid, and air filter regulator. Accessories are also available for explosion-proof of SIL1, SIL2, Exd, ATEX and protection grade of IP63, IP65&IP67. For special conditions, a smart type or mechanical valve positioner can be used and manual override can be provided.

ZECO hydraulic actuator is usually using for big size ball valve, which the valve is with big torque and electric actuator & pneumatic actuator not suitable for it. Just like the pneumatic actuator, there are two types of a hydraulic actuator, single acting(single effect) and double-acting (double effect). The hydraulic actuator can also be equipped with the limit switch, solenoid and positioner, manual override is also available upon request.

Gear operation is usually used for a big size ball valve or ball valve with big torque which lever operation is no longer suitable. The gearbox has also been called gear reducer, it reduces the opening force but extends the opening time in the meantime. The ratio of the reducer is selected based on torque of valve when the ratio selected can reducing the opening torque to a range that suitable for manual operation, the ratio is suitable and gearbox is confirmed.

Lever operation is usually for ball valve size below 6″, the valve size is small and torque is small, so the valve can be easily operated by a manual lever. The reason not to use lever operation for ball valve over 6″ is that the valve torque is high and it”s hard to open by a manual lever. The lever of the ball valve usually available with a locking device, it can be locked in a fully open and full closed position.

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