157B4036 PVEH-DI32 | Danfoss Proportional Actuator 11-32V PVG32

Product Overview

The 157B4036 (PVEH-DI32) is a high-performance electro-hydraulic proportional actuator from Danfoss Power Solutions’ PVE series, specifically the PVEH-DI (Proportional High Performance with Direction Indication) variant. This actuator mounts directly onto Danfoss PVG32 proportional valve groups, converting electrical input signals into pilot pressure to precisely control main spool displacement for proportional flow and direction control. The PVEH-DI32 features an integrated LVDT position sensor for closed-loop control and built-in Direction Indication, providing real-time feedback of spool movement direction and position.

Manufactured to strict Danfoss original specifications, this actuator delivers consistent performance in material quality, machining precision, sealing integrity, and factory testing. Every unit undergoes 100% full-load simulation testing prior to shipment, validating pressure, flow, and directional cycling performance under real-world operating conditions. The actuator offers complete interchangeability—157B4036 is directly replaceable by 11166819 (Series 7) —with no modifications to mounting interfaces or electrical connections required, significantly reducing equipment downtime and retrofitting costs.

📌 Series Reference:

• 157B4332 (PVEH-F32) : Same series PVEH-F actuator featuring a 1×4 Hirschmann (DIN 43650-A) connector, replaced by 11166839 (Series 7) . Suitable for PVG32/PVG100 applications requiring DIN connector standards.

⚠️ Note: 157B4036 (AMP connector) and 157B4332 (DIN connector) are NOT interchangeable—select the correct connector type based on your original valve configuration.

Technical Specifications 

157B4036 (Old) / 11166819 (New) — PVEH-DI32

• Old Model: 157B4036

• New Model: 11166819

• Brand Series: Danfoss Power Solutions PVEH-DI Series

• Product Type: Electro-Hydraulic Proportional Actuator

• Actuator Type: PVEH-DI32 (Proportional High Performance with Direction Indication)

• Compatible Valve: Danfoss PVG32 / PVG100 Proportional Valve

• Series: Series 4 (Old 157B4036) / Series 7 (New 11166819)

• Voltage Range: 11 – 32 V DC

• Nominal Voltage: 12/24 V

• Control Signal: Voltage Signal (Ratiometric), Closed-loop Control

• Position Feedback: Built-in LVDT Position Sensor

• Connector Type: 2×4 AMP (AMP Junior Timer)

• Fault Monitoring: Active Fault Monitoring

• Direction Indication: Built-in Spool Movement Direction Indication

• Status Indication: LED Status Indicator / Signal Output

• Control (Pilot) Pressure: 13.5 bar

• Response Time: Approx. 120 ms

• Hysteresis: Approx. 4%

• Power Consumption: Approx. 8 W

• Protection Class: IP66

• Hydraulic Fluid: Mineral-based hydraulic oil

• Filtration Requirement: ISO 4406 18/16/13

• Weight: Approx. 1.0 kg

• Product Status: 157B4036 Obsolete, replaced by 11166819

157B4332 (Old) / 11166839 (New) — PVEH-F32 (Series Reference)

• Old Model: 157B4332

• New Model: 11166839

• Brand Series: Danfoss Power Solutions PVEH-F Series

• Product Type: Electro-Hydraulic Actuator

• Actuator Type: PVEH-F32

• Compatible Valve: Danfoss PVG32 / PVG100

• Series: Series 4 (Old) / Series 7 (New 11166839)

• Voltage Range: 11 – 32 V DC

• Connector Type: 1×4 Hirschmann (DIN 43650-A)

• Fault Monitoring: Active Fault Monitoring

• Protection Class: IP65

• Weight: Approx. 1.5 kg

• Product Status: 157B4332 Obsolete, replaced by 11166839

MCV116A1216 — Pilot Pressure Control Valve (System Component)

• Model Number: MCV116A1216

• Brand Series: Danfoss MCV Series

• Product Type: Pilot Pressure Control Valve

• Compatible Pump: Danfoss Series 90 Variable Displacement Pumps

• Control Method: Torque Motor Actuated, Double Nozzle Flapper Valve

• Input Signal: DC Current, Produces Proportional Hydraulic Differential Pressure Output

• Feedback: Internal Hydraulic Pressure Feedback

155B-4210 / 155B-4212 — PVRES Electric Control Joystick (System Component)

• Model Number: 155B-4210 / 155B4210

• Model Number: 155B-4212 / 155B4212

• Brand Series: Danfoss PVRES Series

• Product Type: Proportional Joystick / Remote Control Unit

• Compatible Valve: Danfoss PVG Series Proportional Valves

• Proportional Functions: 155B-4210 — 1 proportional function; 155B-4212 — 2 proportional functions

• Voltage Range: 11 – 30 V DC

• Output Signal: 0.25 – 0.75 UDC (Neutral at 0.5 UDC)

• Current Consumption: < 80 mA

• Maximum Force: 50 N

• Operation: Fingertip Control

• Centering: Spring Centered

• Protection Class: IP67 (Grip Side) / IP65 (Connection Side)

• Operating Temperature: -30°C to +60°C

• Weight: Approx. 0.3 kg

Key Technical Advantages

1. Built-in LVDT Closed-loop Control with Direction Indication for Precision Positioning
The PVEH-DI32 incorporates a built-in LVDT (Linear Variable Differential Transformer) position sensor, enabling closed-loop spool position control. Combined with the integrated Direction Indication function, it provides real-time feedback of spool movement direction, greatly simplifying system commissioning and fault diagnosis—operators can verify correct actuator response without additional sensors.

2. Active Fault Monitoring for Enhanced System Safety
This actuator series incorporates Active Fault Monitoring, continuously tracking actuator and spool position status. An LED status indicator provides visual system status feedback. Upon detecting abnormalities (e.g., spool sticking, insufficient pilot pressure), the system immediately generates a fault signal, preventing equipment damage and safety incidents.

3. Wide Voltage Range for 12V and 24V System Compatibility
Supporting 11-32 V DC wide voltage input, the actuator is compatible with both 12V and 24V vehicle and industrial power systems. Ratiometric signal control ensures stable output across all voltage conditions—a single actuator model serves multiple voltage platforms, significantly simplifying inventory management.

4. High Ingress Protection for Demanding Environments
Achieving IP66 protection rating(Series 7 version), the actuator effectively resists dust, oil mist, water spray, and high-pressure washdown. It is ideal for demanding outdoor applications in construction machinery, agricultural machinery, marine, and offshore equipment.

5. Complete Interchangeability with Seamless S4-to-S7 Upgrade Path
157B4036 is directly replaceable by 11166819, and 157B4332 by 11166839. Old and new models share identical mounting interfaces, electrical connections, and functional specifications—enabling true “plug-and-play” upgrades. The Series 7 models offer significant improvements in response speed, reliability, and environmental durability over Series 4 models.

Application Areas

• Mobile Construction Equipment: Excavators, loaders, cranes — implement proportional control

• Truck-mounted Cranes & Loader Cranes: Boom extension, rotation, and luffing proportional control

• Agricultural Machinery: Combine harvesters, tractors — hydraulic actuator proportional control

• Forestry Machinery: Harvesters, forwarders — proportional valve control

• Material Handling Equipment: Forklifts, aerial work platforms — hydraulic systems

• Marine & Offshore Equipment: Deck cranes, hatch covers, winches, VRCS systems — hydraulic control

• Industrial Hydraulic Systems: Injection molding machines, presses, test benches — proportional directional control

Expert Maintenance Tips

1. Verify Model and Replacement Status
157B4036 has been replaced by 11166819; 157B4332 has been replaced by 11166839. Confirm the latest model number when purchasing or replacing—old and new models are fully compatible in mounting interfaces and electrical specifications.

2. Connector Type Verification — Critical Selection Difference
157B4036 / 11166819 use 2×4 AMP (AMP Junior Timer) connectors; 157B4332 / 11166839 use 1×4 Hirschmann (DIN 43650-A) connectors. These connector types are NOT interchangeable—select the correct type based on your original valve configuration. Danfoss original AMP mating connector kit 157B4992 is recommended for 157B4036.

3. Electrical Connection Verification
Before installation, confirm supply voltage is within 11-32 V DC range. For PVEH-DI32, signal voltage ranges from 0.25×U_DC (A-port) to 0.75×U_DC (B-port), with neutral at 0.5×U_DC. Shielded cables are recommended to minimize electromagnetic interference on proportional control signals.

4. Fluid Cleanliness Management
PVE actuators require fluid cleanliness to ISO 4406 18/16/13. Install a filter with ≤10μm absolute filtration upstream of the PVG32 valve group and monitor fluid contamination regularly. Contaminated fluid is the leading cause of pilot stage sticking and sluggish actuator response.

5. Pilot Pressure Verification
PVE series actuators require a pilot pressure of 13.5 bar for normal operation. Ensure the system provides stable pilot pressure above this value—insufficient pilot pressure will result in incomplete spool shifting or delayed response.

6. First-Start Commissioning with Direction Indication Validation
Before initial system startup, perform an air-bleed cycle at reduced pressure. Apply a low voltage signal first (approximately 25% of supply voltage) to test actuator response. The PVEH-DI32 features built-in Direction Indication—during commissioning, verify that the direction indication signal matches the commanded direction and confirm proper actuator and valve group operation via the LED status indicator.