157B4036 Danfoss PVEH-DI 32 S4 Actuator PVG32 11-32V

I. Product Overview

This product series comprises Danfoss (formerly Sauer-Danfoss) electro-hydraulic actuators and electrical control accessories for PVG proportional valve groups—the core electronic control components of PVG32/PVG100 proportional multi-way valve systems. The portfolio includes:

• 157B4036 (PVEH-DI 32 S4) : Electro-hydraulic actuator with direction indication and active fault monitoring, 2×4 AMP connector

• 157B4332 (PVEH-F) : Electro-hydraulic actuator with active fault monitoring, 1×4 DIN connector

• MCV116A1216: Pressure control pilot valve for S90 series variable piston pumps

• 155B-4210 / 155B4210 (PVRES) : Single proportional function electrical joystick

• 155B-4212 / 155B4212 (PVRES) : Dual proportional function electrical joystick

PVEH series electro-hydraulic actuators convert electrical control signals into precise hydraulic pilot pressure, enabling proportional control of the main spool stroke. PVRES series joysticks provide ergonomic electrical input signals for PVG proportional valve control. The MCV116A1216 pilot valve delivers precise pilot pressure control signals for S90 series variable pumps.

Manufactured to strict Danfoss OEM specifications, all products offer 100% direct interchangeability with original parts—no modifications required for installation. Every unit undergoes 100% application-condition simulation testing—comprehensive verification of pressure, flow, response characteristics, and leakage on dedicated test benches against published specifications. Perfect OEM replacement for Danfoss/Sauer-Danfoss original parts, ideal for hydraulic system repairs and preventive maintenance.

II. Technical Specifications 

157B4036 – PVEH-DI 32 S4 Electro-Hydraulic Actuator

• Model: 157B4036 (New code: 11166819)

• Product Type: PVEH-DI 32 S4 electro-hydraulic actuator

• Voltage Range: 11 – 32 V DC

• Connector Type: 2×4 AMP connector

• Protection Class: IP 66

• Pilot Pressure: 13.5 bar

• Control Method: Proportional (ratiometric signal / PWM)

• Fault Monitoring: Active (Active Fault Monitoring)

• Special Feature: Built-in Direction Indication

• Operating Temperature: −40°C to +85°C

• Compatibility: PVG32 and PVG100

• Weight: Approx. 1.0 kg

• Coil Power: Approx. 8 W

• Mounting Kit: Screw kit 155L4199, Seal kit 157B4997, AMP connector kit 157B4992

157B4332 – PVEH-F Electro-Hydraulic Actuator

• Model: 157B4332 (New code: 11166839)

• Product Type: PVEH-F electro-hydraulic actuator

• Voltage Range: 11 – 32 V DC

• Connector Type: 1×4 DIN connector

• Control Method: Proportional

• Fault Monitoring: Active

• Compatibility: PVG32 and PVG100

• Weight: Approx. 1.50 kg

• Operating Temperature: −40°C to +85°C (reference, same series)

MCV116A1216 – Pressure Control Pilot Valve

• Model: MCV116A1216

• Brand: Danfoss (formerly Sauer-Danfoss)

• Product Type: Pressure control pilot valve

• Compatible Pump: Danfoss S90 series variable piston pumps

• Actuation: Torque-motor driven

• Valve Configuration: Double-nozzle flapper

• Control Type: Single-stage, standalone closed-loop pressure control

• Function: Provides pilot pressure control signal for S90 series variable pumps

155B-4210 / 155B4210 – PVRES Proportional Joystick

• Model: 155B4210

• Brand: Danfoss (formerly Sauer-Danfoss)

• Product Type: PVRES proportional joystick

• Voltage Range: 11 – 30 V DC

• Current Consumption: < 80 mA

• Output Voltage: 0.25 – 0.75 UDC

• Proportional Functions: 1

• On/Off Functions: 0

• Version: Spring centered, long version

• Dimensions: 40 × 80 × 192 mm

• Features: Fingertip control, compact size, low weight

• Weight: Approx. 0.5 kg

155B-4212 / 155B4212 – PVRES Proportional Joystick

• Model: 155B4212

• Brand: Danfoss (formerly Sauer-Danfoss)

• Product Type: PVRES proportional joystick

• Voltage Range: 11 – 30 V DC

• Current Consumption: < 80 mA

• Output Voltage: 0.25 – 0.75 UDC

• Proportional Functions: 2

• Directions: 4-way

• On/Off Functions: 0

• Version: Spring return, standard

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

• Protection Class: IP 44

• Weight: 518 g

III. Key Technical Advantages

1. Active Fault Monitoring & Direction Indication (157B4036)
The 157B4036 (PVEH-DI 32 S4) features active fault monitoring, continuously supervising actuator operating status and providing timely fault feedback to the control system. The built-in direction indication displays spool movement direction in real-time. This significantly enhances system safety and diagnostic capability, particularly for high-reliability applications in construction machinery and industrial equipment.

2. Wide Voltage Range & High Protection Class
All PVEH series actuators support 11-32V DC wide voltage input, accommodating voltage fluctuations across different vehicle electrical systems. The IP66 protection class and −40°C to +85°C wide operating temperature range ensure long-term reliable operation under severe conditions—high vibration, high dust, and high humidity.

3. Torque-Motor + Double-Nozzle Flapper Pilot Technology (MCV116A1216)
The MCV116A1216 pressure control pilot valve features torque-motor actuation with a double-nozzle flapper configuration, precisely converting electrical input signals into proportional pilot pressure output. This delivers exceptional pressure-to-current linearity and fast response, making it the core technology enabling precise displacement control for S90 series pumps.

4. 100% Direct Interchangeability & OEM-Standard Manufacturing
All models are manufactured to strict Danfoss/Sauer-Danfoss OEM specifications, ensuring 100% mechanical and hydraulic interchangeability with original parts. PVEH series actuators perfectly match PVG32/PVG100 proportional valve mounting interfaces, and PVRES joysticks directly replace original PVRES control units—no modifications required.

5. Standard Industrial Connectors – Globally Recognized

• 157B4036 features 2×4 AMP connector

• 157B4332 features 1×4 DIN connector

• PVRES joysticks feature standard industrial electrical connections
  Standardized connector interfaces offer exceptional global compatibility and interchangeability, significantly reducing maintenance and replacement complexity.

6. Ergonomic Design & Precise Proportional Control (PVRES Series)
PVRES joysticks feature fingertip control with compact dimensions and low weight. 155B4210 provides 1 proportional function, while 155B4212 provides 2 proportional functions and 4-way directional control. Output signals are proportional to joystick displacement (0.25 – 0.75 UDC), delivering precise, intuitive electrical input for PVG proportional valves.

IV. Application Areas

This product series is specifically designed for Danfoss PVG proportional valve group electro-hydraulic control systems and S90 variable pump pilot control systems, compatible with the following equipment types:

• Construction Equipment: Excavators, wheel loaders, bulldozers—electro-hydraulic control for PVG32/PVG100 proportional valves

• Lifting Equipment: Mobile cranes, truck-mounted cranes, aerial work platforms—typical applications for 157B4036/157B4332 actuators and PVRES joysticks

• Marine & Offshore Equipment: Deck cranes, hatch covers, winches—typical applications for 157B4332

• Material Handling: Forklifts, telescopic handlers

• Agricultural Machinery: Large combine harvesters, tractors

• Specialty Vehicles: Concrete pump trucks, municipal sanitation vehicles, fire trucks

Typical circuit applications include: PVG proportional valve electro-hydraulic pilot control, variable pump electric displacement control (EDC) , pump outlet pressure closed-loop control.

V. Expert Maintenance Tips

1. Verify Model & Supersession Status (★★★★★)

• 157B4036 has been superseded by Danfoss new model 11166819

• 157B4332 has been superseded by Danfoss new model 11166839

• 155B4210 and 155B4212 are standard PVRES series models
  Confirm the equipment’s original model number before installation and select the correct superseding model.

2. Oil Cleanliness Management (★★★★★)
PVEH series actuators contain pilot valve spools and nozzle-flapper structures that are highly sensitive to oil contamination. Maintain system oil cleanliness at ISO 4406 16/14/12 or better. Use 10μm or higher-precision return filters and inspect filter elements regularly.

3. Pilot Pressure Verification (157B4036)
157B4036 requires 13.5 bar pilot pressure. Verify system pilot supply meets this requirement before installation—insufficient pilot pressure will cause inadequate spool stroke and sluggish response.

4. Electrical Connection Verification

• 157B4036: 2×4 AMP connector, requires AMP connector kit 157B4992

• 157B4332: 1×4 DIN connector

• PVRES Joysticks: Standard industrial electrical connection, voltage range 11-30V DC

Control signals are sensitive to electromagnetic interference—use shielded twisted-pair cables for control wiring, with shield grounded at one end.

5. Installation Torque Specifications
When mounting PVEH actuators to PVG valve groups, tighten mounting bolts to Danfoss recommended torque (typically 10-12 Nm). Use dedicated screw kit 155L4199. Excessive torque may deform the actuator housing; insufficient torque may cause leakage or loosening.

6. Seal Replacement
When installing PVEH actuators, replace the seal kit (157B4997) simultaneously to ensure long-term sealing reliability.

7. Storage Environment
Recommended storage temperature: -40°C to +85°C. Avoid impact loads on the actuator body during installation. Handle with care to prevent drop damage.