The electro-hydraulic linkage device is a driving device that uses the input signal (4-20mA, D.C.) to amplify and convert it into angular displacement, output torque or linear displacement corresponding to the input signal through power and liquid pressure, so as to open, close or adjust the valve.

l   Large stroke, thrust or torque

l   High degree of intelligence

l   Fast response time

l   High sensitivity

l   Compact mechanism

l   Fire and explosion prevention