Airtac SI125 Standard Cylinder SI125X155
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 SI125X155 Standard Cylinder Specifications
- Model: SI125X155
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 155mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting options: Basic type (MF1), foot-mounted (MP4), front flange (MF2), rear flange (MF3)
- Port size: G1/2 (ISO 228-1 standard)
- Weight: 8.5kg (without accessories)
- Dimensions:
- Overall length: 275mm (at mid-stroke position)
- Cylinder outer diameter: 125mm
- Rod diameter: 35mm (chromed steel)
- Mounting base plate: 165mm × 125mm
- Seal material: NBR (nitrile rubber) standard / optional FKM
- Temperature range: -20℃ to 80℃
- Protection rating: IP40 (standard wiper seal)
- Piston speed: 50–800mm/s (optimal range)
- Theoretical thrust:
- @0.63MPa: 7,731N (extending) / 6,716N (retracting)
- @1.0MPa: 12,272N (extending) / 10,625N (retracting)
High-force industrial cylinder with reinforced aluminum alloy construction, designed for heavy-duty linear motion applications. Features dual anti-rotation guide rods (optional), magnetic piston for position sensing, and corrosion-resistant hard anodized finish. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Automotive production line clamping systems
- Steel mill material handling actuators
- Injection molding machine ejectors
- Warehouse automated stacking systems
- Hydraulic press auxiliary positioning
Installation advice:
For vertical mounting applications exceeding 45° inclination, install lock nuts on piston rod threads
and use guided load supports. Lubricate with ISO VG32 hydraulic oil during initial commissioning.
- Re-lubrication interval: Every 500km of cumulative travel or 6 months
- Wiper seal replacement: Annual inspection recommended
- Full overhaul cycle: 5 million cycles or 3 years (whichever comes first)
| Property | Property Value |
|---|---|
| sku | SI125X155 |
| 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 | Non-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.