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 SI125AX225S Standard Cylinder Specifications
- Model: SI125AX225S
- Bore size: 125mm
- Stroke: 225mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Standard MF1/MF2 front flange & rear foot mounting
- Port size: G1/2 (ISO standard)
- Piston rod thread: M24×1.5
- Ambient temperature: -20℃ to 80℃
- Material: Aluminum alloy cylinder tube, hard chrome-plated piston rod
- Seal material: NBR (nitrile butadiene rubber)
- Protection rating: IP65 (dust-tight & water jet resistant)
- Weight: 8.7kg (with standard accessories)
- Dimensions:
- Extended length: 513mm (cylinder length + stroke)
- Body width: 145mm (mounting flange edge-to-edge)
- Height with rod: 172mm (from base to rod centerline)
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube and double-seal structure for leakage prevention. The magnetic piston version (add "-M" suffix) enables position sensing compatibility. Requires ISO VG32 hydraulic oil lubrication if used in high-cycle (>500CPM) operations.
- Press machine ejection systems
- Automotive welding fixture positioning
- Construction equipment boom control
- Plastic injection molding ejectors
- Steel mill conveyor gate actuators
| Property | Property Value |
|---|---|
| sku | SI125AX225S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 225mm |
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.









