1. Compliant with JIS (Japanese Industrial Standards) specifications;
2. Features C-shaped retaining ring for cylinder body and end cover fixation, ensuring compactness and reliability;
3. Precision-machined bore with hard anodized treatment for enhanced wear resistance and durability;
4. Asymmetric bidirectional sealing structure on piston for compact dimensions and integrated oil storage capability;
5. Space-saving profile design to optimize installation space utilization;
6. Built-in sensor grooves along the cylinder periphery for effortless sensor integration.
Category: Slim Cylinder , Brand: AIRTAC , Series: ACQ125
AirTAC ACQ125X40S Thin Cylinder Specifications
- Model: ACQ125X40S
- Type: Compact ISO 6432 compliant double-acting cylinder
- Bore size: Ø125 mm
- Stroke: 40 mm (standard) | Customizable up to 300 mm
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber buffer + shock absorber
- Mounting style: Basic front flange (MF1) | Optional foot mounts
- Port size: G1/2 (NPT1/2 optional)
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR seals (FKM available for high-temp)
- Built-in magnet: Yes (for magnetic sensor compatibility)
- Weight: 4.7 kg ±2% (without accessories)
- Dimensions: 198mm(L) × 144mm(W) × 144mm(H)
- Max theoretical force: 1,227N @ 0.63MPa
- Protection rating: IP67 (dust/water resistant)
Ultra-flat cylinder engineered for high-force applications in space-constrained environments. Features dual anti-rotation guide rods for enhanced lateral stability during vertical operations. Precision honed tube ensures ≤0.05mm ovality for consistent performance. Pre-lubricated for maintenance-free operation up to 3,000km service life.
- Press brake tooling positioning systems
- Automotive welding fixture clamping
- Plastic injection mold core-pulling mechanisms
- High-cycle packaging machine actuators
- Semiconductor wafer handling robots
| Property | Property Value |
|---|---|
| sku | ACQ125X40S |
| 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 | PT3/8 |
| Piston Rod Thread Type | Internal Thread |
| Magnet | S-Magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | 125mm |
| 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.



