157B4036 Danfoss PVEH-DI 11-32V Electro-Hydraulic Actuator

Product Overview

Danfoss 157B4036 is a PVEH-DI electro-hydraulic proportional actuator designed for PVG proportional valve systems. The unit features an 11–32 V supply range, 2×4 AMP JPT connector, active fault monitoring and built-in spool movement direction indication.

Danfoss PowerSource currently identifies 157B4036 as an obsolete configuration and lists 11166819 as the recommended replacement. The current 11166819 is also a PVEH-DI actuator for PVG32/PVG100 systems.

Danfoss technical documentation lists 157B4036 as:

• PVEH-DI
• Standard
• Active fault monitoring
• AMP connector
• 11–32 V

Therefore, the technically accurate product identity is Danfoss PVEH-DI electrical actuation, rather than a generic electronic hydraulic solenoid valve.

The PVEH unit functions as an electro-hydraulic actuator inside the PVG architecture. It translates the electronic control command into hydraulic actuation of the main spool, providing proportional control of hydraulic flow.

For aftermarket service, the relationship between 157B4036 and 11166819 is particularly important. The former is the historical part number, while the latter is the currently recommended replacement identified by Danfoss.

Technical Specifications (Bulleted List)

157B4036

• Manufacturer: Danfoss
• Part Number: 157B4036
• Product Type: PVEH-DI Electrical Actuation
• Application: PVG32 / PVG100
• Series: PVEH Series 4
• Function: Electro-hydraulic proportional actuation
• Fault Monitoring: Active Fault Monitoring
• Direction Indication: Built-in spool movement direction indication
• Supply Voltage: 11–32 V
• Control Signal: Ratiometric
• Connector: 2 × 4 AMP JPT / AMP SAAB
• Connector Direction: 90° Up
• Valve-Side Interface: PVE32 O-ring
• Hysteresis: 4.0%
• On-Stroke Response A: 120 ms
• On-Stroke Response B: 120 ms
• De-Stroke Response A: 120 ms
• De-Stroke Response B: 120 ms
• Resolution: 250
• Maximum Oil Consumption: 0 L/min
• Fault Reaction & Recovery: Solenoid Disable & Auto Recovery
• Output Signal: Direction Indication
• Nominal A Stroke: 7 mm
• Nominal B Stroke: 7 mm
• IP Rating: IP66
• Coil Power: 8 W
• Certification: ISO 13849 compliant
• Marking: CE / EAC
• Product Status: Obsolete
• Recommended Replacement: 11166819

Current Replacement: 11166819

• Manufacturer: Danfoss
• Part Number: 11166819
• Product Family: PVEH-DI
• Series: PVEH Series 7
• Application: PVG32 / PVG100
• Supply Voltage: 11–32 V
• Connector: 2 × 4 AMP JPT SAAB
• Control Signal: Ratiometric
• Hysteresis: 4.0%
• On-Stroke Response: 120 ms
• De-Stroke Response: 120 ms
• Resolution: 250
• Fault Reaction & Recovery: Solenoid Disable & Power Recovery
• Output Signal: Direction Indication
• Disable Function: Power Save
• Nominal A Stroke: 7 mm
• Nominal B Stroke: 7 mm
• IP Rating: IP66
• Coil Power: 8 W
• Valve-Side Interface: PVE32 O-ring
• Certification: ISO 13849 compliant
• Model Code: SVSELEC114UR0004AAAAH7007PDP7706080000000E00089

Parameter Applicability

Because 157B4036/11166819 are electro-hydraulic actuators rather than pumps or motors:

• Displacement: Not applicable
• Maximum rotational speed: Not applicable

Danfoss PowerSource exposes a “Maximum System Pressure Peaks” coding value of 60 for this configuration, but this should not be converted into an unsupported “60 bar rated pressure” claim.

Key Technical Advantages

Active Fault Monitoring

157B4036 is specifically identified as a PVEH-DI active-fault-monitoring configuration. This provides a more sophisticated diagnostic interface than a basic proportional actuator without active fault monitoring.

Integrated Direction Indication

The DI configuration includes direction indication for the main-spool movement. This allows the machine control system to obtain directional status information and supports electronic diagnostics.

Wide 11–32 V Supply Range

The documented 11–32 V supply range supports integration into both nominal 12 V and 24 V mobile-machine electrical architectures while allowing for normal system-voltage variation.

Defined Dynamic Response

The official 157B4036 specifications specify:

• 120 ms on-stroke response A
• 120 ms on-stroke response B
• 120 ms de-stroke response A
• 120 ms de-stroke response B

The matched timing values provide a clearly defined dynamic response for controller calibration.

Controlled Hysteresis and Resolution

The actuator is specified with 4.0% hysteresis and 250 resolution. These parameters are important for electronic control matching and repeatable spool-position response.

IP66 Protection

The documented configuration provides IP66 environmental protection, making it suitable for mobile machinery exposed to dust, oil contamination and water.

Replacement Continuity

Danfoss explicitly recommends 11166819 as the replacement for 157B4036. This makes the pair highly relevant to service departments handling older PVG installations where the original part number still appears on machine documentation.

Application Areas

Typical applications include:

• Excavators
• Wheel loaders
• Agricultural machinery
• Forestry equipment
• Cranes
• Material-handling machinery
• Road construction equipment
• Mobile hydraulic platforms
• Hydraulic cylinder control systems
• Hydraulic motor control systems
• Off-highway mobile machinery

Danfoss technical documentation specifically identifies 157B4036 as a PVEH-DI electrical actuation option for PVG systems, including the documented 11–32 V AMP active-fault-monitoring configuration.

Expert Maintenance Tips

Always Cross-Reference 157B4036 With 11166819

157B4036 is obsolete in the current Danfoss catalog, with 11166819 listed as its recommended replacement. Service documentation should record both numbers to avoid procurement ambiguity.

Verify the Electrical Supply

The documented supply range is:

11–32 V

Do not classify the unit only as a “12 V” or “24 V” actuator during troubleshooting. Check actual supply voltage, voltage drop and controller output.

Inspect the AMP Connector

Check:

• Pin assignment
• Terminal contact
• Connector locking
• Harness insulation
• Connector orientation

The 157B4036 and 11166819 configurations both use a 2×4 AMP JPT interface.

Inspect the PVE32 O-Ring Interface

The valve-side interface is PVE32 O-ring. Inspect the seal for extrusion, hardening, cuts or contamination during service.

Verify Direction Feedback

Because this is a PVEH-DI configuration, replacement testing should verify the direction-indication output in addition to confirming physical spool movement.

Perform Integrated Electrical and Hydraulic Testing

After replacement, verify:

• Supply voltage
• Control signal
• Direction indication
• Fault monitoring
• On-stroke response
• De-stroke response
• Main-spool stroke
• Neutral behavior
• Hydraulic leakage

For aftermarket replacement units, 100% simulated working-condition testing can be used to verify actuator response and hydraulic operation before shipment.