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 SI125AX165 Standard Cylinder Specifications
- Model: SI125AX165
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 165 mm (customizable 25-1000mm)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: AX series front flange (ISO 15552 MF1)
- Port size: G1/2 (standard) or optional NPT1/2
- Operating temperature: -20℃ to 80℃
- Cylinder material: Anodized aluminum barrel, chrome-plated piston rod
- Seal material: NBR (nitrile) standard / optional FKM for high temp
- Weight: 5.8 kg (bare cylinder without accessories)
- Dimensions: 398mm(L) × 125mm(W) × 136mm(H) (at mid-stroke)
- Rod thread: M20×1.5 (external)
- Protection rating: IP65 (wipers included)
- Piston speed: 50–800 mm/s (optimal range)
High-force industrial cylinder with ISO-compliant dimensions, featuring corrosion-resistant construction and precision honed bore. The magnetic piston version (SI125AX165M) enables position sensing. Designed for heavy-duty cycles with 5,000km minimum service life under normal conditions. Requires 40μm filtered air with lubrication (non-lube version available).
- Automotive production line clamping fixtures
- Press machine ejection systems
- Plastic injection molding machine core pulls
- Material handling conveyor diverters
- Steel mill roller positioning
| Property | Property Value |
|---|---|
| sku | SI125AX165 |
| 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 | 165 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.









