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 ACEJ12X25-20B Adjustable Compact Cylinder Specifications
- Model: ACEJ12X25-20B
- Type: Double-acting adjustable stroke compact cylinder
- Bore size: Ø25mm
- Stroke: 20mm (adjustable through stopper mechanism)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: M5x0.8 (standard) with optional NPT1/8 adapters
- Cushioning: Rubber buffer + adjustable pneumatic cushion
- Mounting type: Basic (B) - Front flange with mounting holes
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: 0.45kg (without accessories)
- Dimensions: 78mm(L) × 34mm(W) × 34mm(H)
- Piston speed: 50–700mm/s (lubricated operation)
- Protection rating: IP54 (standard sealing)
Ultra-compact cylinder featuring precision stroke adjustment via external stopper screws (±2mm fine-tuning capability). The hexagonal body design enables tool-free rotation for flexible orientation. Integrated magnetic piston allows position sensing compatibility. Pre-lubricated for maintenance-free operation up to 3,000km service life.
- Precision clamping in PCB assembly fixtures
- Miniature part positioning in semiconductor handling
- Valve actuation in compact medical analyzers
- Packaging machine ejector mechanisms
- Robotic end-effector tooling adjustments
- Max. theoretical cycles: 15 million
- Recommended service interval: 5,000km or 12 months
- Relubrication: Every 2 million cycles (use ISO VG32 turbine oil)
| Property | Property Value |
|---|---|
| sku | ACEJ12X25-20B |
| 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 | External Thread |
| Magnet | Non-magnetic |
| Bore Diameter | 12mm |
| Stroke | <25 mm> |
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.











