Confirm the exact configuration
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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
527663
Pressure regulator MS6-LR
The Festo 527663 is an industrial pressure regulator from the MS series in size 6, featuring constant output pressure, primary pressure compensation, and secondary exhausting with an operating pressure range of 0.8 bar to 20 bar and a regulation range of 0.3 bar to 16 bar. This component delivers a normal nominal flow rate between 2200 l/min and 7500 l/min with a maximum pressure hysteresis of 0.25 bar, and includes ATEX and UKEX certifications for explosive atmospheres in Zones 1, 2, 21, and 22 along with c UL us recognition. Submit the exact part number, quantity, and application requirements for a quote.
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Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 527663
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 527663.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
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 | Pressure regulator without 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)
- 2200 l/min...7500 l/min
- Certication
- 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 certication 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
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 527663. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.