MSB4-1/8:J4:I7-WP – Air Preparation Combination Unit – Festo Compressed Air Service Unit

USD $ 77.91 USD $ 63.89

SKU: Festo 531029 #02

Manufacturer Part Number: Festo 531029 #02
Festo Compressed Air Service Unit: MSB4-1/8:J4:I7-WP
OEM Spec Ref 

The Festo MSB4-1/8:J4:I7-WP Compressed Air Service Unit, with MPN 531029, is a comprehensive pneumatic maintenance device designed to ensure optimal performance of air-driven systems through advanced regulation, filtration, and lubrication. Tailored for industrial applications, this unit guarantees consistent system pressure and enhances operational efficiency.

Key Features:

  • Advanced Pressure Management: Engineered for precise control over system pressure, this service unit helps maintain ideal operational conditions, ensuring peak performance across various pneumatic applications.
  • Integrated Filtration and Lubrication: Features an all-in-one design that includes both air filtration and lubrication capabilities, which protect and enhance the efficiency of pneumatic components.
  • Durable Construction: Built with high-quality materials, the MSB4-1/8:J4:I7-WP is crafted to endure the demanding environments of industrial applications, promising extended durability and reliability.
  • Compact and Modular Design: Its compact configuration allows for easy installation and integration into space-constrained areas, without compromising functionality or performance.
  • Ease of Use: Equipped with user-friendly interfaces for straightforward adjustments and monitoring, facilitating optimal system calibration and maintenance.


  • Enhanced System Performance: By delivering consistent pressure and conditioning air supply, it significantly improves the reliability and efficiency of pneumatic processes, boosting overall system output.
  • Reduced Operational Costs: Optimizing pressure and air quality helps in minimizing energy consumption and operational expenses, contributing to more economical system management.
  • Prolonged Equipment Life: Proper air treatment prevents premature wear and tear on components, extending their lifespan and reducing the frequency of replacements and repairs.
  • Improved Safety Standards: Reliable operation with consistent pressure control and air quality assurance enhances safety standards, adhering to rigorous industrial requirements.


  • Manufacturing Facilities: Essential for ensuring precise pressure and air quality in automated manufacturing lines, leading to high-quality production outcomes.
  • Pneumatic Control Systems: Plays a pivotal role in maintaining stable and accurate pressure and air conditions necessary for optimal functionality of control systems.
  • Testing and Inspection Areas: Ideal for use in systems that require consistent air quality and pressure for precise testing and inspection procedures.
  • General Pneumatics: Suitable for a broad range of pneumatic applications across various industries, enhancing operational precision and reliability.

The Festo MSB4-1/8:J4:I7-WP Compressed Air Service Unit stands as a hallmark of Festo’s dedication to advancing pneumatic technology, offering a sophisticated solution for managing air pressure, quality, and lubrication to optimize the performance of industrial processes. This unit is indispensable in ensuring the efficient and safe operation of pneumatic systems in diverse industrial settings.

Technical Data

Feature Specification
Size 4
Series MS
Actuation type Electrical
Actuator lock Rotary knob with integrated lock
Mounting position Any
Vertical +/- 5°
Grade of filtration 0.01 µm … 40 µm
Condensate drain Fully automatic
Manually rotating
Structural design Branching module
Active carbon filter
Pressure regulator with pressure gauge
Soft start valve
Shut off valve
Fiber filter
Filter regulator with pressure gauge
Filter regulator without pressure gauge
Membrane dryer
Proportional standard oil mist lubricator
Sinter filter with centrifugal separator
with non-return function
Controller function Outlet pressure constant
With primary pressure compensation
With secondary exhausting
With return flow function
Bowl guard Plastic bowl guard
Symbol 00991761
Differential pressure display Visual display
With pressure sensor
Pressure gauge with pressure sensor
with pressure gauge
Operating pressure 1.5 bar … 14 bar
Pressure regulation range 1 bar … 12 bar
Standard nominal flow rate 800 l/min … 1400 l/min
Coil characteristics 110 V AC: 50/60 Hz, initial power 3.0 VA, holding power 2.4 VA
230 V AC: 50/60 Hz, initial power 3.0 VA, holding power 2.4 VA
24 V DC: 1.5 W
24 V DC: 1.8 W
Certification c UL us – Recognized (OL)
CE marking (see declaration of conformity) As per EU EMC directive
as per EU explosion protection directive (ATEX)
As per EU low voltage directive
As per EU RoHS directive
UKCA marking (see declaration of conformity) To UK instructions for EMC
acc. to UK EX instructions
To UK RoHS instructions
To UK instructions for electrical equipment
Explosion prevention and protection Zone 1 (ATEX)
Zone 1 (UKEX)
Zone 2 (ATEX)
Zone 2 (UKEX)
Zone 21 (ATEX)
Zone 21 (UKEX)
Zone 22 (ATEX)
Zone 22 (UKEX)
ATEX category gas II 2G
ATEX category for dust II 2D
Type of ignition protection for gas Ex h IIC T6 Gb X
Ex nA IIC T4 X Gc
Type of (ignition) protection for dust Ex h IIIC T60°C Db X
Ex tc IIIC T105°C IP65 Dc X
Information on operating and pilot media Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC) 2 – Moderate corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
Storage temperature -10 °C … 60 °C
For use in the food industry See supplementary material information
Temperature of medium -10 °C … 60 °C
Ambient temperature -10 °C … 60 °C
Type of mounting With accessories
Pneumatic connection 1 G1/8
Pneumatic connection 2 G1/8
Pneumatic connection 3 G1/4
Housing material Die-cast aluminum
Material of bowl PC