Fisher™ VBL Volume Booster
Key Features
- Delivers the volume needed for rapid actuator stroking when large input changes suddenly occur.
- Integral bypass restriction tunes the booster response so that smooth actuator motion follows the slow signal changes.
- Soft seats provide tight shutoff to reduce unnecessary air consumption and eliminate saturation of positioner relays.
- Permits high actuator stroking speeds upon demand without degrading the positioner steady-state accuracy.