Airtac SI125 Standard Cylinder SI125X825S
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 SI125X825S Standard Cylinder Specifications
- Model: SI125X825S
- Type: Double-acting pneumatic cylinder (ISO 15552 standard)
- Bore size: 125 mm
- Stroke: 825 mm
- Operating pressure: 0.15–0.8 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: 1/2" NPT (G3/8 optional)
- Piston rod thread: M20×1.5
- Mounting style: Basic type (MF1) with front/rear flange options
- Temperature range: -20℃ to 80℃
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Weight: Approximately 7.8 kg (bare cylinder)
- Dimensions:
- Extended length: 1,150 mm (stroke + cylinder body)
- Retracted length: 325 mm
- Body outer diameter: 140 mm
- Mounting flange: 160×160 mm
High-force industrial cylinder designed for heavy-duty automation systems. Features chromium-plated piston rod with scraper seal for contamination resistance. The anodized aluminum barrel includes magnetic sensor slots (Φ8.5×2.5mm) for position feedback. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Press machine ejection systems
- Steel mill conveyor clamping
- Automotive welding fixture positioning
- Packaging line palletizing arms
- Injection molding machine core pulling
Installation note:
Use alignment jigs during mounting to prevent side load. Lubricate through integrated grease nipple (M6×1) with ISO VG32 hydraulic oil.
Max side load capacity: 450N at mid-stroke. For vertical mounting, add mechanical brake unit (optional accessory ASB-125).
| Property | Property Value |
|---|---|
| sku | SI125X825S |
| 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 | 825mm |
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.