Festo ADN-40-40-I-P-A Compact Pneumatic Cylinder

Technical Overview

Festo ADN-40-40-I-P-A double-acting compact cylinder. 40mm bore, 40mm stroke, G1/8 ports. ISO 21287 compliant with elastic cushioning and internal M8 thread.

Key Features

Fully compliant with ISO 21287 standards for seamless interchangeability and straightforward mounting
Double-acting pneumatic operation for controlled and reliable extension and retraction
Flexible elastic cushioning rings/pads at both ends to limit impact forces and reduce operational noise
Built-in magnetic profile designed for direct proximity sensor integration and position sensing
Constructed from durable wrought aluminum alloy with TPE-U(PUR) dynamic seals for extended lifespan
Rated for versatile industrial applications with a wide operating temperature range of -20 °C to 80 °C

Technical Specification Matrix

Parameter	Value
Piston Diameter	40 mm
Stroke	40 mm
Operating Pressure	0.6 to 10 bar (0.06 to 1 MPa)
Mode of Operation	Double-acting
Cushioning	Elastic cushioning rings/pads at both ends
Piston Rod Thread	M8 (Female/Internal)
Pneumatic Connection	G1/8
Standard Conformity	ISO 21287
Operating Temperature Range	-20 °C to +80 °C
Theoretical Force at 6 bar (Advance)	754 N
Theoretical Force at 6 bar (Retract)	686 N
Impact Energy in End Positions	0.7 J
Seals Material	TPE-U(PUR)
Physical Weight (kg)	0.46
Dimensions L x W x H (cm)	9.23 x 5.45 x 5.45

Industrial Applications

1. Automated Packaging Ejection Systems

The cylinder operates as a compact ejector in high-speed packaging applications, pushing sorted items or defective parts onto designated reject tracks. Its 40mm stroke provides rapid, controlled cycle rates.

Problem Solved

Provides a high-speed actuation solution that minimizes spatial footprint and integrates position sensing for precise control synchronization without requiring bulky traditional cylinder dimensions.

Double-actingProximity sensingISO 21287Compact footprint

2. Precision Workpiece Clamping

Utilized in CNC machining or automated assembly fixtures to clamp parts securely. The compact profile allows it to fit directly into modular clamping blocks, while the internal M8 thread securely accepts customized clamping pads.

Problem Solved

Delivers up to 754 N of advance force at 6 bar in a highly confined space, ensuring parts remain completely immobile and stable under mechanical stress.

Pneumatic clamping754 N forceM8 internal threadG1/8 connection

3. Linear Indexing in Assembly Stations

Powers the linear indexing stops in automated transfer lines, halting or releasing pallets moving along a conveyor belt. The integrated elastic cushioning effectively dampens the mechanical impact of approaching pallets.

Problem Solved

Prevents damage to both the actuator and conveyed payloads by using built-in elastic cushioning to absorb end-position kinetic impacts (up to 0.7 J).

Elastic cushioningImpact energy 0.7 JLinear indexingPallet stops