Danfoss PVG 32 Valve | 157B4032 157B4035 157B4116 | PVEA PVEH PVEM | Proportional Actuator

Danfoss PVE Series Proportional Actuators for PVG 32 Valves

Product Overview:

The Danfoss 157B series represents the electronic “brain” of the PVG 32 proportional multi-way valve system. These high-performance actuators convert electrical commands (voltage or current signals) into precise spool displacements within the hydraulic valve stack. Ranging from the standard PVEM to the high-precision PVEH and closed-loop PVED, Danfoss electronic modules are globally recognized in 2026 for their exceptional weather resistance and control linearity in mobile machinery, forestry equipment, and material handling applications.

Featured models (Part Numbers): 157B4035 (PVEH), 157B4032 (PVEA), 157B4734, 157B4116, 157B4128, 157B5110, and 157B6200.

Key Technical Advantages:

• Tiered Control Performance: * PVEA (157B4032): Cost-effective proportional control for applications with moderate dynamic requirements.

  • PVEH (157B4035): High-performance proportional control with faster response times and minimal hysteresis via internal feedback.

• Extreme Environmental Resilience: Encapsulated in high-strength composite or alloy housings with IP66/IP67 ratings, designed to withstand extreme heat, salt spray, and intense vibration.

• Closed-Loop Spool Feedback: Integrated inductive transducers monitor spool position in real-time, automatically compensating for variations in oil viscosity and system backpressure.

• Electrical Interface Versatility: Compatible with standard Hirschmann or AMP connectors, supporting a wide 11V to 32V power supply range.

• Safety & Diagnostics: Advanced modules feature LED status indicators and fault-monitoring outputs to detect spool jamming or cable breaks instantaneously.

Detailed Specifications & Part Number Matrix:

• Featured Part Numbers:

  • 157B4035: PVEH series, proportional high-symmetry control, standard voltage signal.

  • 157B4032: PVEA series, proportional control, widely used in medium-duty mobile machinery.

  • 157B4116 / 157B4128: Actuator modules with specific connector types (e.g., Hirschmann).

  • 157B5110 / 157B6200: Specialized, Explosion-proof, or customized proportional modules.

• Technical Specifications:

  • Supply Voltage: 11V – 32V DC.

  • Command Signal: $U_{sig} = 0.5 \cdot U_{bat}$ (Ratiometric voltage control).

  • Hysteresis: $\le 0.5\% – 2\%$ (depending on module grade).

  • Frequency Response: Up to 15 Hz.