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 ACQJ20X50-40S Adjustable Compact Cylinder Specifications
- Series: ACQJ12~25 (20mm bore size variant)
- Model code breakdown: ACQJ20X50-40S = 20mm bore × 50mm stroke with switchable mounting
- Bore size: 20mm (±0.1mm honing tolerance)
- Stroke: 50mm (adjustable with built-in stroke limiter)
- Operating pressure: 0.15–1.0 MPa (1.5–10 bar)
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Cushioning: Adjustable rubber buffer (both ends)
- Mounting: Switchable between front flange (TF) and rear foot (MF4) via rotating end block
- Port size: M5x0.8 (standard) with optional NPT1/8 adapter
- Piston rod thread: M6×1.0 external thread (8mm rod diameter)
- Material:
- Barrel: Hard anodized aluminum alloy
- Piston rod: SUS304 stainless steel
- Seals: NBR (standard) / optional FKM for high temp
- Weight: 0.42kg (without accessories)
- Dimensions:
- Total length: 80mm (stroke 50mm + end caps)
- Width: 34mm (mounting face to cushion adjuster)
- Height: 40mm (including rod guide)
Ultra-slim profile cylinder (30% thinner than standard models) with 360° rotatable cushion adjustment screws. Features dual anti-rotation guides for precise linear motion, making it ideal for space-constrained automation. The through-hole piston rod design allows external position sensing without additional brackets.
- PCB handling robots requiring <25mm installation space
- Medical device clamp mechanisms with sterilization cycles
- Food packaging machines needing frequent stroke adjustments
- Semiconductor wafer transfer systems with cleanroom requirements
| Property | Property Value |
|---|---|
| sku | ACQJ20X50-40S |
| Adjustable Stroke | <40mm> |
| 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 | <20mm> |
| Stroke | <50mm> |
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.









