Product Overview

The Danfoss MCV116A3204 is a Pressure Control Pilot (PCP) from the MCV116 series, designed for electrohydraulic control applications. It is not a conventional main-stage hydraulic directional valve.

Danfoss defines the MCV116 as a torque-motor actuated, double-nozzle flapper pressure control pilot. The pilot converts electrical current into a proportional differential hydraulic pressure and uses internal hydraulic pressure feedback to establish closed-loop pressure control.

The MCV116 architecture can be used to control pilot-operated flow-control valves, proportional spool valves, variable-displacement pumps, motors, and other hydraulic devices actuated by differential pilot pressure.

For MCV116A3204, Danfoss identifies the unit as a Type III, dual-coil configuration, with a nominal ±220 mA current rating, 16/19 ohm coil specification, and Packard/Weatherpack connector arrangement.

Technical Specifications

MCV116A3204

• Manufacturer: Danfoss
• Series: MCV116
• Product Type: Pressure Control Pilot (PCP)
• Type: Type III
• Actuation: Torque motor
• Hydraulic Configuration: Double-nozzle flapper
• Coil Configuration: Dual coil
• Rated Current: ±220 mA
• Coil Resistance: 16/19 Ω
• Connector: Packard / Weatherpack configuration
• Nominal Scale Factor: 0.78 psid/mA
• Pump Displacement: Not applicable
• Pump Rated Pressure: Not applicable
• Pump Peak Pressure: Not applicable
• Maximum Pump Speed: Not applicable
• Control Function: Electrohydraulic pilot-pressure control
• OEM Weight: Not published on the current Danfoss PowerSource listing

The MCV116A3204 is explicitly identified by Danfoss as a dual-coil PCP for the relevant control configuration.

MCV116A3102 — Related Variant

• Type: Pressure Control Pilot
• Coil: Single coil
• Coil Resistance: 23 Ω
• Rated Current: ±150 mA
• Connector: Packard
• Scale Factor: 1.15 psid/mA
• Supply Pressure: 150–500 psi
• Maximum Supply Pressure: 1000 psi
• Maximum Return Pressure: 200 psi
• Maximum Internal Leakage: 0.65 gpm
• Maximum Linear Differential Output: 150 psi at 250–500 psi supply
• Fluid Cleanliness: ISO 4406 Code 18/15 or better

These values are from the Danfoss unit specification for MCV116A3102.

MCV116G4201 — Related Variant

• Type: Type IV PCP
• Coil: Dual coil
• Connector: MS
• Scale Factor: 1.15 ± 0.1 psi/mA
• Typical Supply Pressure: 350 psi
• Coil Resistance: 19/15.5 Ω
• Coil Inductance: 0.062/0.047 H
• Test Current: ±85 mA
• Minimum Pressure Output Range: ±160 psi
• Hysteresis: <7%
• Symmetry: <10%
• Linearity: <3%
• Threshold: <1 mA
• Resonant Frequency: >300 Hz
• Frequency Response with Current Driver: 150 Hz
• Maximum Voltage: 6 V
• Maximum Current: 375 mA

The current Danfoss PowerSource listing identifies MCV116G4201 as a Type IV dual-coil MS-connector PCP with 1.15 scale factor.

MCV105C3023 — Related EDC Component

• Manufacturer: Danfoss
• Product Type: EDC, MDT
• Function: Electronic displacement control related component
• Relationship to MCV116: Separate control component, not another MCV116 PCP

Danfoss lists MCV105C3023 separately from the MCV116 pilot family, while MCV116A3204 is documented as a PCP component within related control assemblies.

Key Technical Advantages

1. Torque-Motor Double-Nozzle Flapper Design

The MCV116 uses a torque motor and double-nozzle flapper hydraulic bridge rather than a simple direct-acting proportional solenoid.

The electrical command moves the torque-motor armature/flapper. The resulting change in nozzle restriction produces the differential pressure required by the downstream hydraulic stage.

2. Self-Contained Hydraulic Feedback

Internal hydraulic pressure reaction provides closed-loop feedback.

As output pressure increases, the feedback force acts against the motor torque until equilibrium is established. This produces a controlled relationship between input current and differential pilot pressure.

3. Dual-Coil Electrical Architecture

MCV116A3204 uses a dual-coil architecture with:

• ±220 mA rated current
• 16/19 Ω coil specification
• 0.78 psid/mA nominal scale factor

These specifications must be matched to the original control electronics during replacement.

4. Precision Pilot Pressure Modulation

The main purpose of the MCV116 is to convert a relatively low-power electrical command into a controlled hydraulic differential pressure.

The control chain can be summarized as:

Electrical Current → Torque Motor → Flapper Movement → Nozzle Pressure Differential → Downstream Hydraulic Actuation

This makes the device particularly useful in servo and electronic displacement control systems.

5. High Sensitivity to Hydraulic Precision

For PCP applications, performance depends strongly on:

• Nozzle/flapper clearance
• Orifice geometry
• Armature positioning
• Magnetic consistency
• Hydraulic cleanliness
• Seal condition
• Current-pressure calibration

A replacement PCP should therefore be evaluated through hydraulic performance testing rather than only electrical continuity testing.

6. Designed for Demanding Mobile and Industrial Applications

Danfoss documentation identifies MCV116 applications across construction, agriculture, material handling, marine, mining and industrial machinery.

Related KVF systems also cover asphalt pavers, concrete pavers, soil stabilizers, milling machines, injection molding equipment, marine deck machinery, industrial robots, paper machinery and servo-drive applications.

Application Areas

The MCV116 family is suitable for:

• Construction equipment
• Asphalt paving machines
• Concrete paving machines
• Soil stabilization equipment
• Milling machinery
• Agricultural machinery
• Material handling systems
• Injection molding equipment
• Marine deck machinery
• Industrial hydraulic systems
• Variable-displacement pump controls
• Hydraulic motor controls
• Servo valves
• EDC pump control systems
• Industrial positioning systems
• Manipulator and robotic systems
• Product testing equipment

Danfoss Series 40 documentation specifically lists MCV116A3204 as a dual-coil Weatherpack PCP in M46-related pump control configurations.

Expert Maintenance Tips

Verify the Exact Part Number

Before replacement, confirm:

MCV116 part number + coil configuration + connector + control type + hydraulic interface

Do not use “MCV116” as the only identification criterion.

Do Not Treat A3102 and A3204 as Equivalent

MCV116A3102 uses a single 23 Ω coil and ±150 mA rating, while MCV116A3204 uses dual 16/19 Ω coils and ±220 mA. Their control characteristics must not be mixed.

Verify Driver Compatibility

For dual-coil MCV116 configurations, verify wiring, phasing, coil arrangement and controller output before energizing the replacement pilot.

Maintain Hydraulic Cleanliness

Danfoss documentation specifies ISO 4406 Code 18/15 or better for the relevant PCP hydraulic system. Contamination can affect nozzle/flapper behavior, null stability, leakage and response.

Do Not Adjust the PCP Null Improperly

When the MCV116 is used as the first stage of an EDC, Danfoss warns against using the PCP null adjustment to set the EDC neutral. The second-stage valve should be adjusted for the EDC neutral condition.

Validate the Complete Control Loop

Professional replacement testing should follow:

Electrical Inspection → Coil Test → Current Calibration → C1/C2 Pressure Test → Null Verification → Leakage Test → Dynamic Response → System-Level Simulation

This is substantially more meaningful than a basic power-on test.

For aftermarket replacement applications, in-place interchangeability verification and 100% simulated working-condition testing can be positioned as key quality advantages, provided these are clearly presented as your company’s own validation process rather than as Danfoss OEM specifications.