527665

Name: Festo 527665 Pressure regulator MS6-LRB
Brand: Festo

Pressure regulator MS6-LRB

The Festo industrial component, part number 527665, is an MS-series size 6 pressure regulator with an integrated pressure gauge, featuring a structural design with primary pressure compensation, constant output pressure, and secondary exhausting. It operates within a pressure range of 0.8 bar to 20 bar, a regulation range of 0.3 bar to 16 bar, a maximum pressure hysteresis of 0.25 bar, and a normal nominal flow rate spanning 600 l/min to 7300 l/min in any mounting position. Certified with c UL us (OL) and rated for ATEX Zone 1, Zone 2, Zone 21, and Zone 22 hazardous locations, the unit includes a rotary knob actuator lock and meets EU explosion protection directive and UKEX requirements. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 527665
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Technical Specifications

Size: 6
Series: MS
Actuator lock: Rotary knob with detent | Rotary knob with integrated lock | can be closed with accessories
Mounting position: Any
Structural design: Pressure regulator with pressure gauge
Controller function: Constant output pressure | With primary pressure compensation | With secondary exhausting
Pressure gauge: Set up for G1/4 | Set up for G1/8 | With pressure sensor | with pressure gauge | With pressure gauge in the rotary knob
Operating pressure: 0.8 bar...20 bar
Pressure regulation range: 0.3 bar...16 bar
Max. pressure hysteresis: 0.25 bar
Normal nominal ow rate (normalized to DIN 1343): 600 l/min...7300 l/min
Certication: c UL us - recognized (OL)
CE marking (see declaration of conformity): as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity): acc. to UK EX instructions
Explosion protection certication outside the EU: EPL Db (GB) | EPL Gb (GB)
Explosion prevention and protection: Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
ATEX category gas: II 2G
ATEX category for dust: II 2D
Type of ignition protection for gas: Ex h IIC T6 Gb X
Type of (ignition) protection for dust: Ex h IIIC T60°C Db X
Explosive ambient temperature: -10°C <= Ta <= +60°C

Engineering context

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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Technical verification

Our sourcing response is prepared against Festo 527665. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.