Y&F 7-5079 Series Electronically Controlled Hydraulic Servo Actuator
 Direct acting valve available as positioners or actuators for small turbine inlet guide vane, natural gas and bleed valve control.
FEATURES
- Powered by 24 V dc
- 4 to 20 mA analog command and position feedback signals
- Precise position control, hysteresis < 1%
- Direct acting valve operation
- Integrated electronic controller
- Low pressure hydraulics (20 to 500 PSI)
- Aluminum and stainless steel housings available
- 1.5 inch stroke
- Parallel control ports available for slave cylinder
APPLICATIONS
- Small turbine inlet guide vane, natural gas fuel control, and bleed valve control
Download Y&F 7-5079 Series Electronically Controlled Hydraulic Servo Actuator Product Bulletin PDF
Y&F 7-2000 Series Electronic Direct Acting Servo Valve 
Servo Control with Low Pressure (12-700 psi) for hydraulic servo control of an external cylinder.
FEATURES
- Direct acting four-way valve
- Mimimum inlet pressure (operating): 12 psig
- Max inlet pressure (operating): 700 psig (Nominal 55 to 500 psig)
- Max delta P (operating): 1500 psid (Port to port differential)
- Proof pressure: 1050 psig
- Ambient temperature range: -40 to +176°F (-40 to +80°C) (Nominal 120°F)
- Fluid temperature range: -20 to +200°F (-29 to +93°C) (Nominal 120°F)
- Cv curve varies by model (contact Y&F for more information)
- External leakage: zero
- Fluid ports per SAE J1926/1-16
- Aluminum or stainless steel housings available
APPLICATIONS
- Servo actuation using lube oil pressure
- Servo control with low pressure (12-700 psi)
Download Y&F 7-2000 Series Electronic Direct Acting Servo Valve Product Bulletin PDF
Y&F 5078 Series Hydraulic Servo Actuator 
First used on Solar turbines. Servo actuator with mechanical feedback.
FEATURES
- Servo Actuator with Mechanical Feedback - 4 to 20 mA Command Signal
- Position Control
- Low Pressure Hydraulics (55 to 500 PSI)
- Aluminum and Stainless Steel Housings Available
- 1.5 inch Stroke
- Parallel Control Ports Available for Slave Cylinder
- Explosion Proof Approvals
APPLICATIONS
- Small Turbine Inlet Guide Vane, Natural Gas Fuel Control, and Bleed Valve Control
Download Y&F 5078 Series Hydraulic Servo Actuator Product Bulletin PDF
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