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
Reference imageConfirm configuration by manufacturer part number.
Festo
527684
Soft-start valve MS6-DL
The Festo part number 527684 is a direct-controlled 2/2 pneumatic industrial component featuring a piston seat structural design with an adjustable exhaust air function and a mechanical spring reset method. It operates within an operating pressure range of 4 bar to 18 bar, delivers a normal nominal flow rate from 2600 l/min to 6450 l/min, and includes an integrated pressure sensor along with an external pilot air supply port and non-reversible flow direction for any mounting position. Certified as c UL us-recognized (OL) with ATEX and UKEX compliance for gas categories II 2G and dust categories II 2D, this device supports Zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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
- 527684
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 527684.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Exhaust air function
- Adjustable
- Actuation type
- Pneumatic
- Mounting position
- Any
- Manual override
- None
- Structural design
- Piston seat
- Reset method
- Mechanical spring
- Type of control
- directly
- Pilot air supply port
- External
- Flow direction
- Non-reversible
- Valve function
- 2/2
- Pressure gauge
- With pressure sensor
- Operating pressure
- 4 bar...18 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 2600 l/min...6450 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
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
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 527684. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.