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 SI125AX135 Standard Cylinder Specifications
- Model: SI125AX135
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 135mm (customizable from 25-2000mm)
- Operating pressure: 0.05-1.0 MPa
- Port size: G3/8 (NPT1/2 optional)
- Cushioning type: Adjustable air cushion (both ends)
- Mounting style: Basic foot mounting (ISO 15552 MF1)
- Piston rod material: Hard chrome-plated 45# steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile) standard, optional FKM/Viton
- Temperature range: -20℃ to 80℃ (NBR seals)
- Protection rating: IP65 (standard wiper design)
- Weight: 3.2kg (excluding mounting accessories)
- Dimensions: 350mm(L) × 140mm(W) × 140mm(H) (retracted length)
- Rod end thread: M20×1.5 (male)
- Theoretical force output: 1227N @0.5MPa (extending)
High-torque industrial cylinder featuring corrosion-resistant construction and precision honed tube. The SI125AX135 combines 20μm hard chrome plating with triple-lip wiper seals for extended service life in particulate-heavy environments. Includes magnetic piston for sensor compatibility and 5-position adjustable cushioning.
- Heavy-duty press machine actuation
- Automotive assembly line clamping
- Injection molding machine ejectors
- Steel mill conveyor gate control
- Paper processing equipment
| Property | Property Value |
|---|---|
| sku | SI125AX135 |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 135mm |
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.







