Airtac SI125 Standard Cylinder SI125AX155S
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 SI125AX155S Standard Cylinder Specifications
- Model: SI125AX155S
- Bore size: 125mm
- Stroke: 155mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1)
- Port size: G3/8 (ISO standard)
- Piston speed: 50–750 mm/s
- Temperature range: -20℃ to 80℃
- Cylinder material: Aluminum alloy (anodized)
- Seal material: NBR (nitrile rubber)
- Rod material: Chrome-plated carbon steel
- Weight: 5.8kg (excluding accessories)
- Dimensions: 330mm(L) × 148mm(W) × 148mm(H)
- Protection rating: IP54 (standard wiper seal)
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-force pneumatic cylinder with precision-bored barrel, designed for heavy-duty industrial applications. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and corrosion-resistant construction. The 125mm bore delivers 12,272N thrust at 0.8MPa (calculated via π*(125/2)^2 * 0.8).
- Metal stamping press actuation
- Injection molding machine ejectors
- Automotive assembly line clamping
- Foundry equipment positioning
- Heavy material handling gates
Installation note:
For vertical mounting, add a mechanical lock nut on piston rod threads.
Maintain 0.5–1mm alignment tolerance during mounting. Lubricate rod weekly
with ISO VG32 hydraulic oil in high-cycle applications (＞5,000 cycles/day).
| Property | Property Value |
|---|---|
| sku | SI125AX155S |
| 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 | 155mm |
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.