2. Features C-shaped retaining ring assembly for cylinder body and end caps, paired with a swaged piston-rod connection for compact reliability;
3. Precision honed inner bore ensures exceptional wear resistance and extended service life;
4. Optimized front end cap with elongated guide track enhances alignment stability;
5. Space-efficient profile minimizes installation footprint;
6. Integrated sensor grooves along cylinder periphery enable seamless magnetic switch integration;
7. Versatile mounting brackets and accessories available for multiple configurations;
Category: Slim Cylinder Series | Brand: AIRTAC | Model Range: ACQJ12~25
AirTAC ACQJ12X40-20S Adjustable Compact Cylinder Specifications
- Series: ACQJ12~25 (12mm bore size variant)
- Model Code Breakdown: ACQJ12X40-20S
- 12: Bore diameter (12mm)
- X40: Stroke length (40mm)
- 20S: Accessory code (Built-in magnet + adjustable cushion)
- Bore size: 12mm
- Stroke: 40mm (±1mm tolerance)
- Operating pressure: 0.05~0.8 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (no built-in mounting features)
- Medium: Dry air (Lubricated operation requires ISO VG32 oil mist)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50~800 mm/s
- Repeat positioning accuracy: ±0.5mm
- Max lateral load: 3.5N (at 0.5MPa)
- Port size: M5x0.8 (Rc1/8 adapter optional)
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR (standard), optional FKM
- Weight: 0.48kg (with rod)
- Dimensions:
- Length: 120mm (retracted)
- Width: 40mm (cylinder body diameter)
- Height: 40mm (including mounting surfaces)
Ultra-slim profile cylinder (30% thinner than standard models) with precision stroke adjustment through dual cushion screws. Features integrated magnetic field for position sensing compatibility. The chrome-plated piston rod includes anti-rotation design for stable linear motion, ideal for vertical installations.
- PCB handling robots in electronics manufacturing
- Dispensing valve actuators in medical devices
- Paper feed mechanisms in high-speed printers
- Precision clamping in optical lens production
- Automated test equipment positioning stages
| Property | Property Value |
|---|---|
| sku | ACQJ12X40-20S |
| Adjustable Stroke | <20mm> |
| Mounting Type | Without Mounting Accessories |
| 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 |
| Magnet | S-Magnetic |
| Bore Diameter | 12mm |
| 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.









