ms4-lrb-1/4-d6-a8-as

Name: ms4-lrb-1/4-d6-a8-as
Brand: FESTO
SKU: ms4-lrb-1/4-d6-a8-as

Festo MS4-LRB-1/4-D6-A8-AS Pressure Regulator: Directly actuated diaphragm regulator with rotary knob for precise pressure control. Suitable for compressed air and inert gases, with operating temperatures from -10°C to 60°C.

Product Modelms4-lrb-1/4-d6-a8-as

Material Number529477

Product ID9687

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Precise Pressure ControlThe Festo MS4-LRB-1/4-D6-A8-AS features a directly actuated diaphragm design, ensuring a constant output pressure and minimal pressure hysteresis of 0.25 bar.
2
Versatile Mounting OptionsThis pressure regulator offers flexible mounting options, including front panel mounting, in-line installation, and various accessories for customized setups.
3
Robust ConstructionBuilt with die-cast aluminum and POM control panels, the MS4-LRB-1/4-D6-A8-AS is designed for durability and resistance to moderate corrosion stress (CRC: VDMA24364-B1/B2-L).
4
Wide Operating RangeIt operates effectively within a broad temperature range of -10°C to 60°C, making it suitable for various industrial environments.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Size

Series

Actuator lock

Rotary knob with detent can be closed with accessories

Mounting position

Any

Structural design

Directly controlled diaphragm regulator with continuous compressed air supply

Controller function

Outlet pressure constant With primary pressure compensation With secondary exhausting With return flow function

Compliance and SafetyThe product is RoHS-compliant and meets ISO 8573-1:2010 standards for compressed air quality, ensuring safe and clean operation. Additionally, it supports lubricated operation where required, enhancing its performance and longevity.

Symbol

00995252

Pressure gauge

G1/8 prepared

Operating pressure

0.8bar 14bar

Pressure regulation range

0.3bar 7bar

Max. pressure hysteresis

0.25bar

Standard nominal flow rate

1700l/min

Operating medium

Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas

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

Product weight

222g

Type of mounting

Optionally: Front panel mounting Line installation With accessories

Pneumatic connection 1

G1/4

Pneumatic connection 2

G1/4

Note on materials

RoHS-compliant

Material of sub-base

Die-cast aluminum

Material of operator panel

PA POM

Seals material

NBR

Housing material

Die-cast aluminum

Diaphragm material

NBR

Manufacturer ID

529477