Danfoss PVG 32 Actuator | 157B4923 157B4924 157B4925 | 157B4926 157B4927 157B4928 | Proportional Valve

Danfoss PVE Series High-Precision Proportional Actuators

Product Overview:

The Danfoss 157B series digital actuators are the high-intelligence core of the PVG 32 proportional valve system. This featured selection includes premium execution modules: 157B4923, 157B4924, 157B4925, 157B4926, 157B4927, and 157B4928. These modules utilize high-resolution LVDT displacement sensors to provide real-time closed-loop feedback, effectively eliminating mechanical hysteresis and ensuring silky-smooth, precise flow regulation. They are the premier electrical control solution for 2026 aerial platforms, truck-mounted cranes, and sophisticated agricultural automation.

Key Technical Advantages:

• Closed-Loop Precision: Integrated LVDT sensors ensure the spool position strictly follows the electrical command, with repeatability exceeding 0.25%.

• Smart Digital Diagnostics: Features active monitoring with integrated LED status indicators to track supply voltage, signal drift, or spool sticking, significantly reducing maintenance downtime.

• Exceptional Linearity: Factory-calibrated to guarantee smooth, step-less flow adjustment across the entire stroke, ideal for critical metering tasks.

• Rugged Durability: Rated at IP67 with superior Electromagnetic Compatibility (EMC), these modules are designed to thrive in high-vibration, extreme temperature, and corrosive salt-spray environments.

• Versatile Integration: Compatible with standard Deutsch or AMP connectors and supports a wide 11V-32V DC power supply.

Technical Specifications:

• Supply Voltage: 11V – 32V DC.

• Hysteresis: $\le 0.5\%$ (Typical).

• Operating Temp: $-30^\circ\text{C}$ to $+90^\circ\text{C}$.

• Protection Rating: IP67.

• Compatibility: Fully compatible with Danfoss PVG 32 and PVG 100 valve manifolds.