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Vent Hole

Vent hole is a small hole which is provided in the upper region of orifice plate. Vent hole is required in liquid flow service where gas entrainment may occur. Vent hole size could affect the accuracy of flow measurement. However, … Read More

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Valve Actuator

Valve actuator is a device which provide thrust to create motion on valve body. Valve actuator could be categorized by its type as follow: Power supplied to actuator: electrical, pneumatic or hydraulic. Main element: diaphragm-spring return or piston type. Mechanism: … Read More

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