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หัวขับชนิดนี้เมื่อเกิดความผิดพลาดในการทำงานขึ้น หรือเมื่อไฟฟ้าขัดข้อง หัวขับวาล์วแบบสปริงจะปล่อยสปริงออกทันทีเพื่อเปิด/ปิดวาล์ว หัวขับลักษณะนี้จะสามารถทำงานได้เพียงครั้งเดียว เช่น ในกรณีฉุกเฉิน มีข้อดีคือ หัวขับวาล์วประเภทนี้ไม่ต้องใช้ไฟฟ้าในการทำงานเปิดปิดวาล์ว สามารถทำงานได้โดยการใช้เพียงแบตเตอรี่เท่านั้นหรือเริ่มการทำงานเมื่อมีเหตุไฟฟ้าขัดข้อง
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Pneumatically actuated, these ball valves present exact alignment and feature stainless-steel building.
HP Collection actuators are ideal for quarter-convert valve automation programs the place continual quick biking is necessary or harmful situations exist
To summarize, in the very first context, the air is staying controlled but might or might not be performing the control mechanism of your valve. In the next context, the fluid in addition to air is controlled, and the control mechanism is air.
Mainly, an electric actuator is a person form of gear motor which can be of assorted voltages which is the key torque creating ingredient. To halt Excessive present attract, electric actuator motors are typically set which has a thermal overload sensor fastened inside the motor windings.
When the base and crank is acknowledged for fitting, The situation of the crank zero conclude is usually determined randomly inside of 0-360℃. Moreover, the electrical actuator has the overload, temperature, and torque swap safeties, is large in control precision, item substantial inconsistency and skilled of figuring the angular vacation electric regulating valve with a variety of angular travel changeable mechanisms.
These compact, pneumatic-actuated ball valves support provide precise alignment and have anticorrosive coatings. Each and every valve options brass development, and is particularly ideal for continual rapid cycling or dangerous disorders.
ไดอะแกรมข้างบนแสดงส่วนประกอบอื่นๆในวงจรลมเพื่อให้วาล์วใช้งานได้
Mechanical, or hand-operated valves, use guide energy. You may even see them in functions wherever electricity could be perilous or impractical for that tasks at hand. As with solenoid valves, they can be useful for both air or liquid move.
Coil rated voltage: in electrically actuated valves, a ratio of the utmost voltage that the actuation coil can provide and may be calculated in DC and AC volts.
You even have also got to know as to whether you have to be likely to get a standalone variety or manifold mounted. In the situation of standalone the inline valves ought to be mounted valve near the actuator to enhance functionality and all the ports materialize to become a Element of an inland port’s system. In the case of manifold mounted models, the valves share each exhaust and provide channels.
ความรู้เรื่องวาล์ว การเลือกใช้วาล์วแต่ละประเภท