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 ACEJ20X55-40 Specifications
- Model Series: ACEJ12 (Adjustable Compact Cylinder Series)
- Specific Model: ACEJ20X55-40
- Bore Size: 20 mm
- Stroke: 55 mm
- Operating Pressure: 0.1–1.0 MPa
- Port Size: M5x0.8 (Standard) / Optional NPT1/8
- Cushioning Type: Adjustable Air Cushion (Both Ends)
- Mounting Style: Basic Type (Standard) with optional foot/mounting bracket variants
- Operating Temperature: -10℃ to 80℃
- Seal Material: NBR (Nitrile Rubber) / Optional FKM (Fluorocarbon)
- Piston Speed: 50–800 mm/s (Lubricated)
- Weight: 0.48 kg (Cylinder Only) / 0.62 kg (With Accessories)
- Dimensions:
- Length (Extended): 130 mm
- Width (Body): 32 mm
- Height (Including Mounts): 42 mm
A space-saving pneumatic actuator with precision-adjustable cushioning, featuring an anodized aluminum body for corrosion resistance. The ACEJ12 series incorporates dual anti-rotation guides (integrated square rail design) for enhanced stability in lateral force applications. Optimized for 3–5 μm filtered air with ISO 8573-1:2010 Class 4 air quality requirements.
- Precision part insertion in PCB assembly lines
- Clamping mechanisms in semiconductor wafer handling
- Compact door actuation in medical sterilization equipment
- Packaging machine stopper controls
- Automated lens positioning in optical devices
- Align cylinder axis with motion direction (max angular deviation ≤0.5°)
- For vertical mounting: Use model suffix "-40V" variant with reinforced seals
- Lubricate every 5 million cycles (ISO VG32 turbine oil recommended)
| Property | Property Value |
|---|---|
| sku | ACEJ20X55-40 |
| Adjustable Stroke | <40mm> |
| 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 | Non-magnetic |
| Bore Diameter | <20mm> |
| Stroke | 55mm |
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.











