2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X1150S Standard Cylinder Specifications
- Model: SI125X1150S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: Ø125mm ±0.1mm
- Stroke: 1150mm (customizable from 25-2000mm)
- Operating pressure: 0.15-1.0 MPa (15-145 PSI)
- Cushioning: Adjustable pneumatic cushioning (both ends)
- Piston rod material: Hard chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Port size: G3/8 (BSPP thread)
- Temperature range: -20℃ to +80℃ (dry air required below 0℃)
- Max theoretical force: 1533N @ 0.63MPa (extending)
- Weight: ~12.5kg (excluding mounting accessories)
- Dimensions: 1450mm(L) × 125mm(W) × 150mm(H) (fully extended)
- Mounting: ISO mounting pattern with 160mm center distance
- Protection rating: IP65 (with wiper seal)
- Piston speed: 50-750mm/s (optimal range)
High-load industrial cylinder engineered for heavy-duty automation systems. Features precision honed tubing with internal corrosion resistance coating, ideal for continuous operation in harsh environments. Includes magnetic piston version option (SI125M) for position sensing compatibility.
- Plastic injection molding machine ejectors
- Steel coil handling systems
- Automotive production line clamping devices
- Paper roll positioning in printing presses
- Foundry equipment actuation
- MF12 magnetic sensor kit
- ASM125-10 rod lock module
- CM125-20 shock absorber
- Heat-resistant seal kit (up to 120℃)
| Property | Property Value |
|---|---|
| sku | SI125X1150S |
| Seal Material | Polyurethane |
| 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 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 1150 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.









