WOODWARD 9907-1337｜V45TD-E Integrated Servo｜

Core positioning: Used for precise opening, speed, and load closed-loop control of steam turbine/water turbine control valves, compatible with turbine lubricating oil hydraulic sources, with fault safety, anti pollution, and high reliability characteristics, it is a core spare part of turbine control systems.

Parameter
Supply voltage 18-32 VDC (nominal 24 VDC)
Steady state current of approximately 2.3 A @ 24 VDC
Transient current peak 10 A (lasting for 100 ms)
Control signal 2-channel redundant 4-20 mA analog input (position command, input impedance 200 Ω)
Feedback signal integrated MLDT magnetostrictive linear displacement sensor (dual redundant)
Position accuracy ± 0.04% full stroke
Position repeatability ± 0.5% full stroke
Built in 11 point flow linearization table for flow linearization
Fault safety action: When power is lost/fault occurs, the servo valve returns to its original position and the valve reaches the safe position (configurable)
Communication interface RS-232 service interface, CAN bus (optional)
Servo valve model V45TD-1515-FUE (fault extended double acting servo valve)
Rated fuel supply pressure typically 500 psi (34.5 bar), range 80-500 psi
Anti pollution ability patent self-cleaning technology, ISO 4406 cleanliness requirement of 20/18/16 or better
The maximum no-load operating speed is 762 mm/s (30 inches/second)
Side load tolerant shaft bearing+triple seal design to reduce leakage risk
Oil type: petroleum based hydraulic oil, fire-resistant hydraulic oil (such as Fyrquel EHC)
Oil temperature continuous operation 15-70 ℃ (59-158 ° F)

WOODWARD 9907-1337｜V45TD-E Integrated Servo｜