Airtac SI125 Standard Cylinder SI125BX550S
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 SI125BX550S Standard Cylinder Specifications
- Model: SI125BX550S
- Bore size: 125mm
- Stroke: 550mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Front/rear flange mounting (ISO 15552 standard)
- Port size: G1/2 (NPT1/2 optional)
- Piston speed: 50–800 mm/s
- Operating temperature: -20℃ to 80℃
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Rod material: Hard chrome-plated steel
- Protection rating: IP65 (standard wiper + rod dust seal)
- Weight: 13.8 kg (with rod extension)
- Dimensions: 1,110mm(L) × 165mm(W) × 165mm(H) (at full extension)
- Retracted length: 560mm
- Mounting hole pattern: 150mm × 150mm square flange
High-force industrial cylinder engineered for heavy-duty linear motion applications. Features precision honed aluminum tube (HA grade) with integrated magnet for position sensing compatibility. The double-acting design delivers consistent thrust up to 9,621N at 0.7MPa. Includes built-in auto-switch grooves for sensor mounting.
- Automotive production line clamping fixtures
- Die-casting machine ejection systems
- Steel coil handling equipment
- Plastic injection molding machine gates
- Heavy material press alignment mechanisms
Installation note:
Lubricate through air port (ISO VG32 recommended) before initial use.
For vertical mounting, install lock nut (ASNU125 accessory) to prevent piston rod slippage.
Maintain 20mm minimum clearance around cylinder body for heat dissipation.
| Property | Property Value |
|---|---|
| sku | SI125BX550S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 550mm |
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.