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Applies to MSB4-1/4:C3:J1-WP and MSB6-1/4:C3:J1-WP
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MS Series Service Unit Combinations
Pure Air, Pure Performance
The MS Series Filter Regulators from Festo provide advanced filtration of oil, water, and dirt particles.
Ideal for applications where clean, dry air is vital, such as food, packaging, pharmaceuticals, and more.
Highly Versatile
A wide range of modules are available, such as manual pressurisation and exhaust valve, a filter regulator and a branching module, allowing you to tailor your setup for specific flow rates, safety features, hazardous environments, and more. Units can be ordered pre-assembled, or can be individually configured.
Lockable Isolating Dump Valve
The dump valve can be securely locked to prevent accidental startups, ensuring the safety of both your equipment and personnel.
Easy Maintenance
The modular design means components can be individually removed for repair or replacement without interfering with the overall system.

Product Specifications:
MSB4-1/4:C3:J1-WP
Part Number: 8025354
Size: 4
Series: MS
Actuator Lock: Rotary knob with detent can be closed with accessories
Mounting Position: Vertical +/-5°
Grade of Filtration: 40 µm
Condensate Drain: Manually Rotating
Design: On/Off Valve, Filter regulator with pressure gauge.
Controller Function: Output pressure constant
Via primary pressure compensation
With secondary venting
With return flow function
Bowl Guard: Plastic bowl guard
Symbol: 00991755
Pressure gauge (ANALOG) or Pressure display (DIGITAL): With pressure gauge
Operating Pressure: 0.8 bar ... 14 bar
Pressure Regulation Range: 0.5 bar ... 12 bar
Standard Nominal Flow Rate (standardised to DIN 1343): 1700 l/min
Operating Medium: Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases
Note on Operating and Pilot Medium: Lubricated operation possible (in which case lubricated operation will always be required)
Corrosion Resistance Class CRC: 2 - Moderate corrosion stress
LABS (PWIS) Conformity: VDMA24364-B1/B2-L
Suitable for use with Food: See supplementary material information
Air Purity Class at Output: Compressed air to ISO 8573-1:2010[7:4:4]
Media Temperature: -10 °C ... 60 °C
Ambient Temperature: -10 °C ... 60 °C
Product Weight: 1300g
Type of Mounting: With accessories
Pneumatic Connection, Port 1: G1/4
Pneumatic Connection, Port 2: G1/4
Pneumatic Connection, Port 3: G1/4
Material Housing: Die-cast aluminium
Material Bowl: PC
MSB6-1/4:C3:J1-WP
Part Number: 8233030
Size: 6
Series: MS
Actuator Lock: Rotary knob with detent can be closed with accessories
Mounting Position: Vertical +/-5°
Grade of Filtration: 40 µm
Condensate Drain: Manually Rotating
Design: On/Off Valve/filter regulator
Max. Condensate Volume: 38 ml
Controller Function: Output pressure constant
Via primary pressure compensation
With secondary venting
With return flow function
Bowl Guard: Plastic bowl guard
Symbol: 00991755
Pressure gauge (ANALOG) or Pressure display (DIGITAL): With pressure gauge
Operating Pressure: 0.15 MPa ... 2 MPa
Operating Pressure: 1.5 bar ... 20 bar
Operating Pressure: 21.75 psi ... 290 psi
Pressure Regulation Range: 0.05 MPa ... 1.2 MPa
Pressure Regulation Range: 0.5 bar ... 12 bar
Pressure Regulation Range: 7.25 psi ... 174 psi
Max. Standard Flow Rate: 3000 l/min
Operating Medium: Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases
Note on Operating and Pilot Medium: Lubricated operation possible (in which case lubricated operation will always be required)
Corrosion Resistance Class CRC: 2 - Moderate corrosion stress
LABS (PWIS) Conformity: VDMA24364-B1/B2-L
Storage Temperature: -10 °C ... 60 °C
Air Purity Class at Output: Compressed air to ISO 8573-1:2010[7:4:4]
Media Temperature: -10 °C ... 60 °C
Ambient Temperature: -10 °C ... 60 °C
Product Weight: 1540g
Type of Mounting:Via mounting bracket
Pneumatic Connection, Port 1: G1/4
Pneumatic Connection, Port 2: G1/4
Material Filter: PE
Material Housing: Die-cast aluminium
Material Bowl: PC
ON SALE NOW - OVER 40% OFF - WHILE STOCKS LAST
Applies to MSB4-1/4:C3:J1-WP and MSB6-1/4:C3:J1-WP
Contact us for pricing
