MTS Series 252 Servovalves - Manual (Page 21)

252 Servovalve Flow Ratings
Series 252 Servovalve Product Information Introduction 21
252 Servovalve Flow Ratings
The following table lists typical flow ratings for the Series 252 Servovalves.
Model
Number *
* The Model 252.3x servovalves can be converted to external pilot pressure in the field (with auxiliary port).
The 90° point is at 10% command.
Full-Flow Rating
†
† Flow ratings are for 7 MPa (1000 psi) pressure drop across the servovalve. Higher flows are available at
higher pressure drops.
90° point at 10% Command
Null Flow
‡
‡ The maximum internal null flow is specified at 21 MPa (3000 psi). The null flow at the first stage is 0.76
L/min (0.20 gpm) for all Series 252 Servovalves.
252.21 4.0 L/min (1.0 gpm) 230 Hz 1.10 L/min (031 gpm)
252.22 9.5 L/min (2.5 gpm) 230 Hz 1.44 L/min (0.40 gpm)
252.23 19.0 L/min (5.0 gpm) 230 Hz 2.27 L/min (0.60 gpm)
252.24 37.0 L/min (10.0 gpm) 170 Hz 2.27 L/min (0.60 gpm)
252.25 56.0 L/min (15.0 gpm) 160 Hz 2.27 L/min (0.60 gpm)
252.31 93.0 L/min (25.0 gpm) 80 Hz 5.56 L/min (1.47 gpm)
252.32 151.0 L/min (40.0 gpm) 60 Hz 5.56 L/min (1.47 gpm)
252.33 227.0 L/min (60.0 gpm) 50 Hz 8.33 L/min (2.20 gpm)
252.41 4.0 L/min (1.0 gpm) 300 Hz 1.10 L/min (0.31 gpm)
252.42 9.5 L/min (2.5 gpm) 280 Hz 1.44 L/min (0.40 gpm)
252.43 19.0 L/min (5.0 gpm) 280 Hz 2.27 L/min (0.60 gpm)