157B4036 11166819 | Danfoss PVEH-DI Proportional Valve Actuator 11-32V

Product Overview

The 157B4036 is a PVEH-DI electro-hydraulic proportional actuator from Danfoss Power Solutions, part of the PVE series actuator family. 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 157B4036 features built-in Direction Indication, providing real-time visual feedback of spool movement direction.

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 with original Danfoss PVE series units—no modifications to mounting interfaces or electrical connections are required, significantly reducing equipment downtime and retrofitting costs.

📌 Replacement Reference:

• 157B4036 (Old) → 11166819 (New, Series 7) 

• 157B4093 (Old) → 11166732 (New, Series 7) 

Old and new models share identical mounting interfaces, electrical connections, and functional specifications for seamless upgrades.

⚠️ Note: 157B3171 in the original title has been verified as a Danfoss PVM32 mechanical hand control device (Manual Hand Control), not an electronic actuator, and is therefore outside the scope of this product documentation.

Technical Specifications

157B4036 (Old) / 11166819 (New) — PVEH-DI Active with Direction Indication

• Old Model: 157B4036

• New Model: 11166819

• Brand Series: Danfoss Power Solutions PVEH-DI Series

• Product Type: Electro-Hydraulic Proportional Actuator

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

• Compatible Valve: Danfoss PVG32 Proportional Valve

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

• Voltage Range: 11 – 32 V DC

• Control Signal: Voltage Signal (Ratiometric)

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

• Fault Monitoring: Active Fault Monitoring

• Direction Indication: Built-in Spool Movement Direction Indication

• Signal Voltage (A-port/B-port) : 0.25 × U_DC / 0.75 × U_DC

• Input Impedance: 12 kΩ

• Protection Class: IP65 to IP67 (configuration dependent)

• Pilot Pressure: 13.5 bar (PVE)

• 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

157B4093 (Old) / 11166732 (New) — PVEH Passive (Series Reference)

• Old Model: 157B4093

• New Model: 11166732

• Brand Series: Danfoss Power Solutions PVEH Series

• Product Type: Electro-Hydraulic Proportional Actuator

• Actuator Type: PVEH (Proportional High Performance)

• Compatible Valve: Danfoss PVG32 / PVG100

• Series: Series 4 (Old) / Series 7 (New 11166732)

• Voltage Range: 11 – 32 V DC

• Control Signal: Voltage Signal (Ratiometric)

• Connector Type: 1×4 Deutsch (DT04)

• Connector Orientation: 90° (Up)

• Fault Monitoring: Passive Fault Monitoring

• Hysteresis: 4.0%

• On-Stroke Response (A/B): 120 ms

• De-Stroke Response (A/B): 120 ms

• Coil Power: 8 W

• Protection Class: IP66 to IP67

• Pilot Pressure: 13.5 bar (PVE)

• Weight: Approx. 0.90 kg

• Product Status: 157B4093 Obsolete, replaced by 11166732

Key Technical Advantages

1. Built-in Direction Indication for Real-time Spool Status Monitoring
The 157B4036 / 11166819 features integrated Direction Indication, providing real-time feedback of spool movement direction. This greatly simplifies 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. 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. This simplifies inventory management—a single actuator model serves multiple voltage platforms.

4. High Ingress Protection for Demanding Environments
Achieving IP65 to IP67 protection ratings, the actuator effectively resists dust, oil mist, water spray, and high-pressure washdown. With a wide operating temperature range of -40°C to +90°C, it is ideal for outdoor applications in construction and agricultural machinery.

5. Complete Interchangeability with Seamless S4-to-S7 Upgrade Path
157B4036 is directly replaceable by 11166819, and 157B4093 by 11166732. Old and new models share identical mounting interfaces, electrical connections, and functional specifications—enabling true “plug-and-play” upgrades. The Series 7 models (11166819 / 11166732) offer significant improvements in response speed, reliability, and environmental durability over Series 4 models (157B4036 / 157B4093).

Application Areas

• Mobile Construction Equipment: Excavators, loaders, cranes — proportional valve electro-hydraulic control

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

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

• Forestry Machinery: Harvesters, forwarders — proportional valve control

• Truck-mounted Cranes & Loader Cranes: Boom extension, rotation, and luffing proportional 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; 157B4093 has been replaced by 11166732. 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
157B4036 / 11166819 use 2×4 AMP (AMP Junior Timer) connectors; 157B4093 / 11166732 use 1×4 Deutsch (DT04) connectors. These connector types are NOT interchangeable—select the correct type based on your original valve configuration. Danfoss original mating connector kits are recommended (157B4036配套 157B4992).

3. Electrical Connection Verification
Before installation, confirm supply voltage is within 11-32 V DC range. For 157B4036 / 11166819, signal voltage ranges from 0.25×U_DC (A-port) to 0.75×U_DC (B-port). 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 157B4036 / 11166819 features built-in Direction Indication—during commissioning, verify that the direction indication signal matches the commanded direction to confirm proper actuator and valve group operation.