Overview
The Festo DSNU-12-25-P-A pneumatic cylinder is a double-acting ISO 6432 standard component designed for precision linear motion in compact spaces. Rated for 1.5–10 bar operating pressure, it delivers reliable control in both extension and retraction with minimal adjustment and long service life.
Key Features
- Double-acting design: Extends and retracts under pneumatic control
- Self-adjusting cushioning: Built-in end-position cushioning adapts to load and speed changes
- Compact form: 12mm bore with lightweight construction (85g) for space-constrained applications
- Durable materials: Stainless steel barrel and piston rod with nitrile rubber seals
- Magnetic piston: Compatible with position-sensing switches for automated feedback
- Wide pressure range: Operates efficiently across 1.5–10 bar without recalibration
Technical Specifications
- Bore diameter: 12 mm
- Stroke length: 25 mm
- Operating pressure: 1.5–10 bar
- Action: Double-acting
- Pneumatic connection: M5 threaded port
- Piston rod: M6 male thread
- Cushioning type: Self-adjusting elastic rings (both ends)
- Cylinder material: High-alloy stainless steel barrel, aluminum alloy cover
- Seal material: Nitrile rubber (NBR) and thermoplastic polyurethane (TPE-U/PU)
- Operating temperature: −20°C to +80°C
- Weight: 85 g
- Standards: ISO 6432, RoHS, CETOP RP 52 P
- Series: DSNU (metric)
- Manufacturer SKU: 19190
Typical Applications
- Packaging and labeling machines
- Food processing and handling equipment
- Paper and pulp mills
- Automation fixtures and transfer systems
- Component assembly and positioning
- Inspection and test automation
Compatibility & Replacements
Compatible With
- Standard ISO 6432 pneumatic circuits
- Most OEM automation controllers using 1.5–10 bar compressed air
- Industrial compressors and air preparation units
- Pneumatic valve manifolds with M5 connections
- Position-sensing binary switches (magnetic piston compatible)
Replaces / Drop-In Replacement For
- Festo DSNU-S-12-25-P-A (space-optimized variant with pads)
- Other DSNU series 12×25 configurations with compatible mounting
Works With
- Pneumatic valve control systems
- PLC-based automation platforms
- Parker, SMC, and Festo pneumatic networks
- 4–20 mA position feedback sensors with magnetic piston detection
