1. Compliant with ISO 21287 standard, featuring highly versatile mounting dimensions;
2. Thread-connected cylinder body with front/rear covers ensures structural integrity and maintenance convenience;
3. Precision-machined bore with hard anodizing treatment delivers exceptional wear resistance and extended service life;
4. Asymmetric bidirectional piston sealing configuration combines compact dimensions with integrated oil reservoir functionality;
5. Space-optimized design reduces installation footprint by 50% compared to ISO 15552 standard cylinders of equivalent bore size;
6. Triple-side sensor grooves along cylinder body facilitate flexible sensor mounting;
7. Integrated shock absorber pads effectively dampen residual energy from high-speed operation and mechanical rotation;
8. Comprehensive selection of standardized mounting accessories available.
Category: Adjustable Cylinder | Brand: AIRTAC | Series: ACEJ12
AirTAC ACEJ12 Adjustable Compact Cylinder ACEJ20X40-20S Technical Specifications
- Full model code: ACEJ20X40-20S
- Series: ACEJ12 Adjustable Compact Cylinder Line
- Bore size: 20mm (ISO 6432 standard)
- Stroke: 40mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Ambient temperature: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic foot mounting (MF1 pattern)
- Port size: M5x0.8 (standard) with optional NPT1/8 adapter
- Piston rod thread: M6x1.0 external thread
- Tube material: Aluminum alloy (hard anodized)
- Rod material: Stainless steel (SUS304)
- Seal material: NBR (nitrile rubber) with wear-resistant ring
- Weight: 0.48kg (excluding accessories)
- Dimensions (L×W×H): 136mm × 20mm (bore face) × 34mm (mounting height)
- Stroke tolerance adjustment range: ±1.5mm via cushion screw
- Max theoretical force: 31.4N at 0.5MPa
- Speed range: 50–700mm/s (lubricated condition)
Precision-engineered compact cylinder featuring dual adjustable air cushions for smooth end-of-stroke deceleration. The low-profile design incorporates corrosion-resistant materials and multi-layer sealing system, achieving 500km+ service life under standard conditions. Optional magnetic piston version (add "-M" suffix) available for position sensing.
- PCB handling robots in electronics manufacturing
- Precision clamping mechanisms in medical device assembly
- Label application arms in packaging lines
- Valve actuators in cleanroom environments
- Automated test equipment positioners
| Property | Property Value |
|---|---|
| sku | ACEJ20X40-20S |
| Adjustable Stroke | <20mm> |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | M5×0.8 |
| Piston Rod Thread Type | Internal Thread |
| Magnet | S-Magnetic |
| Bore Diameter | <20mm> |
| Stroke | <40mm> |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.











