Festo MSB4-1/4 O3 O3-WP-Z – Pressure Regulator | G1/4 | Murali Pneumatics Coimbatore
The Festo MSB4-1/4 O3 O3-WP-Z is a compact service unit pressure regulator designed to maintain stable downstream pressure in compressed air systems. Built with primary pressure compensation and secondary venting, it ensures consistent output even under fluctuating inlet conditions.
This regulator is ideal for machine builders, panel integrators, and plant engineers working with automation systems requiring reliable air pressure control.
Festo Part Number: 8233011
Note: This variant is supplied without pressure gauge. Accessories like gauges and mounting brackets must be ordered separately.
Available with Murali Pneumatics, your authorized Festo dealer in Coimbatore.
Product Description
Product Overview
The Festo MSB4-1/4 O3 O3-WP-Z belongs to the MS series of modular service units, designed for precise pressure regulation in industrial pneumatic systems. Known for their compact design and reliability, MS series regulators are widely used in automation panels and machinery where stable air pressure is critical for consistent performance. This variant is a pressure regulator without a pressure gauge, offering flexibility for engineers who prefer custom gauge selection or remote pressure monitoring setups.Key Features
- Primary pressure compensation — Maintains stable output pressure even with fluctuating inlet pressure
- Secondary venting — Safely releases excess downstream pressure for system protection
- Return flow function — Ensures pressure stability during reverse flow conditions
- Wide regulation range (0.5–12 bar) — Suitable for diverse industrial applications
- Rotary knob with detent — Easy and precise pressure adjustment with secure locking
- Modular MS series design — Seamless integration with other air preparation units
- G1/4 ports — Standard connection for compact pneumatic systems
- Die-cast aluminium body — Durable and lightweight construction for long service life
- Supports lubricated operation — Flexible compatibility depending on system requirements
Technical Specifications
| Parameter | Value |
|---|---|
| Festo Part Number | 8233011 |
| Product Type | Pressure Regulator (Service Unit) |
| Series | MS |
| Size | 4 |
| Controller Function | Output pressure constant with primary compensation |
| Design | Without pressure gauge |
| Operating Pressure | 0.8 – 14 bar (0.08 – 1.4 MPa) |
| Pressure Regulation Range | 0.5 – 12 bar (0.05 – 1.2 MPa) |
| Actuator Lock | Rotary knob with detent |
| Operating Medium | Compressed air (ISO 8573-1:2010 [7:4:4]), inert gases |
| Mounting Type | Via mounting bracket |
| Pneumatic Connection Port 1 | G1/4 |
| Pneumatic Connection Port 2 | G1/4 |
| Media Temperature Range | -10 °C to 60 °C |
| Ambient Temperature Range | -10 °C to 60 °C |
| Storage Temperature | -10 °C to 60 °C |
| Housing Material | Die-cast aluminium |
| Seal Material | NBR |
| Corrosion Resistance Class | CRC 2 (Moderate) |
| LABS (PWIS) Conformity | VDMA24364-B1/B2-L |
| Product Weight | 490 g |
| RoHS Compliance | Yes |
Common Applications
- Textile machinery – air pressure control in looms and spinning units
- CNC machine tools – stable air supply for tool changers and actuators
- Packaging machines – consistent pressure for sealing and pneumatic drives
- Automotive assembly lines – actuator pressure regulation
- Plastic moulding machines – controlled air supply for auxiliary systems
Why Buy from Murali Pneumatics?
- Authorized Festo Channel Partner since 1991 in Coimbatore
- 100% genuine products with full manufacturer support
- Ready stock for fast dispatch of common MS series units
- Technical guidance from experienced pneumatic specialists
Compatible Accessories
- Pressure gauges (G1/4 compatible)
- Mounting brackets for MS series
- Push-in fittings (QS series)
- Pneumatic tubing
- Shut-off valves and filter units for modular assembly
- Silencers for exhaust ports
