Airtac SI125 Standard Cylinder SI125X218S
A cropped merino wool cardigan taken up a notch, thanks to the flecks of metallic thread throughout. We love it even more paired with the matching sweater-pants.
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 SI125X218S Standard Cylinder Specifications
- Model: SI125X218S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 218 mm (adjustable cushioning ±5%)
- Operating pressure: 0.1–1.0 MPa
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1) with front flange
- Rod end type: External thread M45×1.5
- Buffer adjustment: External adjustable (both ends)
- Cushioning material: Energy-absorbing polyurethane
- Seal type: HNBR/NBR composite seals
- Weight: 8.7 kg ±2%
- Dimensions:
- Total length: 473 mm (stroke 218 + 255mm base length)
- Body diameter: 142 mm (cylinder tube OD)
- Mounting flange: 200×200 mm square pattern
- Rod extension: 45mm thread length
High-force industrial cylinder with 20% increased load capacity compared to ISO 6432 equivalents. Features wear-resistant chromium-plated piston rod and self-lubricating bearings. Optional magnetic sensor slots (T-slot type) for position feedback. Requires ISO 8573-1 class 3 lubricated air (40μm filtration).
- Press machine ejection systems
- Automotive welding fixture clamping
- Heavy-duty conveyor gate operation
- Plastic injection molding machine core pulling
- Steel mill material handling systems
Installation note:
Maximum side load 15% of thrust capacity. For vertical mounting,
use rod-down orientation with speed controllers. Lubricate through
air supply (ISO VG32 equivalent oil mist 1-2 drops/m³).
| Property | Property Value |
|---|---|
| sku | SI125X218S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 218mm |
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.