Airtac SI125 Standard Cylinder SI125X273
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 SI125X273 Standard Cylinder Specifications
- Model: SI125X273
- Bore size: 125mm (4.92")
- Stroke: 273mm (10.75")
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Temperature range: -20℃ to 80℃
- Port size: G1/2 (ISO228/1 standard)
- Mounting type: Standard ISO15552 front flange (MF1) with rear foot mounting (FE)
- Piston rod material: Hard chrome-plated carbon steel (Cr-Mo steel)
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber) with wear-resistant ring
- Protection rating: IP65 (Dust-tight & protected against water jets)
- Lubrication: Pre-lubricated (Oil-free operation possible)
- Theoretical thrust:
- 4,908N @ 0.5MPa
- 9,817N @ 1.0MPa
- Weight: 19.8kg (43.65 lbs)
- Dimensions: 600mm(L) × 140mm(W) × 140mm(H)
High-force industrial cylinder designed for heavy-duty automation applications. Features double-acting operation with precision-machined guide bearings for minimal lateral deflection. The triple-seal design (rod seal, buffer seal, and wiper seal) ensures long-term reliability in contaminated environments. Compatible with ISO 15552 mounting accessories and position sensors.
- Press machine ejection systems
- Automotive welding fixture clamping
- Steel coil handling equipment
- Injection molding machine core pulls
- Palletizing robot end effectors
Installation note:
Ensure proper rod alignment (max 0.2° angular misalignment) and use
M10x1.5 mounting screws with 24N·m torque specification. For vertical
installations, install rod-down orientation with speed controller.
| Property | Property Value |
|---|---|
| sku | SI125X273 |
| 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 | 273mm |
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.