PVEA32 S7 Danfoss Proportional Actuator 11-32V

Model Number	157B4088, 157B4921 11166818

Product Description

Product Overview

The Danfoss PVEA32 Series 7 is an electro-hydraulic proportional actuator designed for PVG32 and PVG100 proportional directional control valves. It converts an electrical control command into hydraulic pilot actuation, controlling spool position and therefore hydraulic flow and actuator speed.

The primary current model covered by this page is:

11177348 — PVEA32-ACTUATOR-S7-1x4AMP-H-ACT

Danfoss PowerSource specifies this unit as an 11–32 V PVEA Series 7 actuator with a 1×4 AMP JPT SAAB connector, ratiometric control, active fault monitoring and 2.0% hysteresis.

The previous-generation 157B4734 is a PVEA32 Series 4 actuator with 1×4 AMP connection and active fault monitoring. Danfoss officially lists 11177348 as its recommended replacement, establishing a direct Series 4-to-Series 7 replacement path.

The other part numbers in the original title must be separated:

157B4921 → historical PVEH/PVEB 12 V AMP actuator, Series 4
157B4088 → discontinued PVEH 24 V actuator

These should not be represented as equivalent PVEA32 S7 model numbers.

For replacement applications, the complete actuator configuration should be verified against the original PVG valve, electrical system and machine controller.

Technical Specifications

PVEA32 Series 7 — 11177348

Model: PVEA32-ACTUATOR-S7-1x4AMP-H-ACT
Danfoss Part Number: 11177348
Series: PVE Series 7
Actuator Type: PVEA
Compatible Valve Platform: PVG32 / PVG100
Actuation Technology: 2-solenoid valve bridge
Control Signal: Ratiometric
Supply Voltage: 11–32 VDC
Connector: 1×4 AMP JPT SAAB
Connector Direction: 90° Up
Fault Monitoring: Active
Hysteresis: 2.0%
On-Stroke Response A: 350 ms
On-Stroke Response B: 350 ms
De-Stroke Reaction A: 225 ms
De-Stroke Reaction B: 225 ms
Resolution: 50
Maximum Oil Consumption: 1.0 L/min
Steady-State Oil Consumption: 0.4 L/min
Nominal A Stroke: 7
Nominal B Stroke: 7
IP Rating: IP66
Coil Power: 4 W
Manual Override: N/A
Valve-Side Interface: PVE32 O-ring
PVE Pilot Pressure Code: 13.5
Maximum System Pressure Peaks Code: 60
Marking: CE / EAC
Functional Safety: ISO 13849 compliant
Product Category: Standard Part.

Non-Applicable Pump/Motor Parameters

Because the PVEA32 is an electro-hydraulic actuator, the following parameters are not applicable as standalone component specifications:

Displacement: Not applicable
Rated rotational speed: Not applicable
Pump rated pressure: Not applicable
Motor torque rating: Not applicable

The engineering parameters of interest are electrical voltage, proportional command, pilot pressure, spool stroke, hysteresis, actuator response time, oil consumption, fault monitoring and environmental protection.

Historical Model and Replacement Relationship

157B4734

Model: PVEA32-ACTUATOR-S4-1x4AMP-H-ACT
Series: Series 4
Voltage: 11–32 V
Connector: 1×4 AMP
Control: Ratiometric
Function: Proportional
Fault Monitoring: Active
Hysteresis: 2.0%
IP Rating: IP66
Status: Obsolete
Danfoss Recommended Replacement: 11177348.

157B4921

Product Type: Historical PVEH/PVEB actuator
Voltage: 12 V
Connector: AMP
Function: Proportional
Series: Series 4
PVG Compatibility: PVG32 / PVG100
Status: Discontinued
Danfoss Replacement Relationship: 157B4034; complete configuration must be checked before treating later PVE generations as replacements.

157B4088

Product: PVEH 24 V
Status: Discontinued
Recommended Replacement: 157B4033
Product Family: PVE electrical actuation.

Key Technical Advantages

2-Solenoid Proportional Actuation

The PVEA uses Danfoss’ 2-solenoid valve bridge technology to transform electronic commands into hydraulic pilot actuation for PVG spool control.

Ratiometric Command

The 11177348 configuration uses ratiometric control, allowing proportional machine-control outputs to be translated into spool-actuation commands.

Active Fault Monitoring

Active fault monitoring provides additional diagnostic capability compared with passive configurations, supporting electronically controlled mobile and industrial hydraulic systems.

2.0% Hysteresis

The specified 2.0% hysteresis supports repeatable proportional response when the command signal is increased and decreased.

Defined Dynamic Response

The official response specification is:

On-stroke: 350 ms
De-stroke: 225 ms

These values are useful when analyzing hydraulic machine cycle time and controller response.

IP66 Environmental Protection

The IP66 rating supports installation in demanding hydraulic environments where the actuator may be exposed to dust, water and general outdoor operating conditions.

PVG32 / PVG100 Compatibility

Danfoss explicitly identifies the PVEA family for PVG32 and PVG100, making the actuator suitable for proportional directional-control applications across mobile and industrial hydraulic equipment.

Clear Series 4 to Series 7 Upgrade Path

The official 157B4734 → 11177348 replacement relationship is particularly valuable for retrofit and service applications involving older PVG control systems.

Application Areas

Typical applications include:

Construction machinery
Excavators
Wheel loaders
Material-handling machines
Agricultural machinery
Tractors
Harvesting equipment
Forestry machinery
Hydraulic power units
Industrial automation
Mobile hydraulic equipment
PVG32/PVG100 proportional control systems

Typical hydraulic control functions include:

Boom control
Arm control
Bucket control
Auxiliary functions
Steering-related hydraulic functions
Proportional spool positioning
Hydraulic actuator speed control

The PVEA32 itself is not the main hydraulic flow valve; it is the electro-hydraulic actuation module that positions the PVG spool.

Expert Maintenance Tips

Verify the Complete PVE Configuration

Do not identify the actuator only as “PVEA32.” Confirm:

Series + connector + voltage + control signal + fault-monitoring mode + functional options

For example, 11177348 is a Series 7 PVEA32 configuration with 1×4 AMP, 11–32 V, ratiometric control and active fault monitoring.

Verify the Original Series Before Replacement

For an existing 157B4734, Danfoss explicitly identifies 11177348 as the recommended replacement. Nevertheless, verify the actual machine wiring and controller configuration before installation.

Do Not Equate 157B4921 With PVEA32 S7

The historical 157B4921 is a 12 V Series 4 PVEH/PVEB-related actuator, whereas 11177348 is an 11–32 V PVEA Series 7 unit. Similar PVG compatibility does not make them identical configurations.

Inspect the PVE32 O-Ring Interface

The 11177348 valve-side interface uses a PVE32 O-ring. Inspect the seal for:

Cuts
Flattening
Extrusion
Contamination
Incorrect seating

Seal problems can produce pilot-pressure leakage and abnormal actuator response.

Verify the Electrical Interface

The 11177348 uses 11–32 VDC and a 1×4 AMP JPT SAAB connector. Check supply voltage, grounding, connector pins, signal wiring and cable condition during service.

Monitor Changes in Response Time and Hysteresis

Slow spool movement, neutral drift or inconsistent hydraulic response may be caused by electrical faults, pilot contamination, spool friction or actuator deterioration. Do not automatically assume that the PVE solenoid is the only possible cause.

Maintain Clean Pilot Oil

The PVE actuator relies on hydraulic pilot control. Contamination can cause sticking, delayed response or unstable spool positioning. Service work should therefore include inspection of pilot passages, oil cleanliness, filtration and O-rings.

Test the Complete Control Chain

A professional replacement test should evaluate:

Controller → PVEA32 → Pilot Pressure → PVG Spool → Hydraulic Actuator

Recommended tests include neutral positioning, command increase/decrease, full stroke, de-stroke, repeated cycling, fault monitoring and pilot-pressure stability.