| Order Code | ||||||||
|---|---|---|---|---|---|---|---|---|
| SDNU | 50x50 | 2S | S | C | ||||
| Series | Stroke | Piston Rod | Magnet | Cushion | ||||
| Standard Double Acting Type | Bore x Stroke | Blank: Single Rod 2S: Double Rod |
Blank: Without Magnet S: With Magnet |
Blank: Fixed Cushion | ||||
The SDNU Series ISO 6432 Pneumatic Cylinder is a compact, round-body actuator designed for precision and efficiency in space-constrained or light-duty industrial applications. Manufactured in strict compliance with ISO 6432 standards, this cylinder is fully interchangeable with other standardized mini cylinders globally, making it a popular choice for machine builders and automation engineers.
Featuring a stainless steel barrel and high-performance piston seals, the SDNU Series offers smooth, low-friction operation with minimal maintenance. Its single or double-acting functionality, magnetic piston option, and multiple mounting accessories make it ideal for pick-and-place systems, textile machines, testing stations, packaging lines, and more.
Despite its small form factor, the SDNU cylinder delivers reliable performance, excellent repeatability, and resistance to corrosion—perfect for applications that demand precision in compact spaces.
✅ ISO 6432 Standard Compliant
Globally accepted mini cylinder standard for 8 mm to 25 mm bore sizes.
✅ Round-Body Cylinder Design
Slim and compact profile for easy installation in limited-space environments.
✅ Stainless Steel Barrel
Corrosion-resistant for use in damp, dusty, or cleanroom conditions.
✅ Bore Sizes Available: 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm
✅ Stroke Lengths: Up to 500 mm (longer on request)
✅ Operating Pressure: 1 to 10 bar
✅ Operating Temperature: -20°C to +80°C (upgradable to higher with Viton seals)
✅ Double or Single Acting Options
Depending on application requirements.
✅ Magnetic Piston (Optional)
Enables contactless position sensing using reed or electronic sensors.
✅ Low Friction Operation
Ensures smooth start/stop movement and consistent cycle performance.
✅ Wide Range of Mounting Styles
Nose mounting, rear pivot, foot mount, flange mount, clevis mount, and more.
✅ Pre-lubricated Internals
Ready-to-use design minimizes startup maintenance.
✅ Customizable Thread Options
Available in BSP, NPT, or metric thread formats.
✅ Anodized Aluminum End Caps
Lightweight and tough for repetitive-use environments.
✅ Polyurethane or NBR Seals
Offer excellent sealing under rapid cycling and varying temperatures.
✅ Rod Wiper Seals
Prevents entry of particles and prolongs seal life.
Perfect for compact automation systems where space is limited
ISO 6432 interchangeability ensures easy global sourcing and replacement
Lightweight, corrosion-resistant construction suitable for a wide range of environments
Ideal for light-duty and repetitive motion tasks
Low noise, smooth movement, and energy-efficient operation
Easy integration with magnetic sensors and multiple mounting configurations