Name: SM4-20(7.5)28-80/40-50
Brand: Vickers
SKU: SM4-20(7.5)28-80/40-50
Price: 775.00 USD
Rating: 4.5 (12 reviews)

SM4-20(7.5)28-80/40-50

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The Vickers SM4-20(7.5)28-80/40-50 is a servo valve from the Servo Valves series. This model operates within a supply pressure range of 14 to 350 bar, or 200 to 5000 psi. The valve delivers a rated flow of 28 liters per minute at 70 bar. Each coil in the assembly has a resistance of 80 ohms and a rated current of 40 milliamps. Maximum pilot flow at 70 bar is 0.35 liters per minute. The maximum total null leakage is 2 liters per minute. The maximum operating temperature for this valve is 135 degrees Celsius, or 275 degrees Fahrenheit. It is designed with a burst pressure for the return open position at 250 percent of the maximum supply and proof pressure for the supply port at 150 percent of the maximum supply.