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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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Festo
549691
Quarter turn actuator DAPS-1920-090-RS3-F16
The Festo part number 549691 is a single-acting industrial component featuring a size 1920 valve actuator, an F16 flange hole pattern, and a 90-degree swivel angle utilizing a kinematic yoke system. It operates within a pressure range of 4.2 bar to 8.4 bar, achieves a maximum swivel frequency of 1 Hz at 6 bar, and provides a closing direction to the right with end-position adjustment ranges of -5 to 5 degrees at 0 degrees and 85 to 95 degrees at the nominal swivel angle. Conforming to ISO 5211 and VDI/VDE 3845 NAMUR standards, this unit supports SIL 2 low demand mode and carries a CE marking per the EU explosion protection directive. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 549691
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 549691.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size of valve actuator
- 1920
- Flange hole pattern
- F16
- Swivel angle
- 90 deg
- End-position adjusting range at 0°
- -5 deg...5 deg
- End-position adjusting range at nominal swivel angle
- 85 deg...95 deg
- Depth shaft connection
- 49 mm
- Standard connection for valve
- ISO 5211
- Cushioning
- No cushioning
- Mounting position
- Any
- Mode of operation
- Single-acting
- Structural design
- Kinematic yoke system
- Position sensing
- None
- Closing direction
- Closes to the right
- Valve connection conforms to standard
- VDI/VDE 3845 (NAMUR)
- Safety integrity level (SIL)
- Up to SIL 2 low demand mode
- Connection pressure for spring force
- 0.42 MPa | 4.2 bar
- Operating pressure
- 0.42 MPa...0.84 MPa | 4.2 bar...8.4 bar
- Nominal operating pressure
- 0.56 MPa | 5.6 bar
- Max. swivel frequency at 6 bar
- 1 Hz
- 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 prevention and protection
- Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
- Certicate issuing authority
- German Technical Control Board North (TÜV Nord) 212170801
- ATEX category gas
- II 2G
- ATEX category for dust
- II 2D
- Type of ignition protection for gas
- Ex h IIC T6...T3 Gb X
- Type of (ignition) protection for dust
- Ex h IIIC T85°C...T200°C Db X
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 549691. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.