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 SI125X210CB Standard Cylinder Specifications
- Model: SI125X210CB
- Bore size: 125 mm
- Stroke: 210 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 PSI)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Front flange with rectangular base (ISO 15552 standard)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile Butadiene Rubber)
- Port size: G1/2 (ISO 228 standard)
- Ambient temperature: -20℃ to 80℃ (-4°F to 176°F)
- Weight: 8.7 kg (19.2 lbs)
- Dimensions:
- Extended length: 448 mm (17.64")
- Retracted length: 238 mm (9.37")
- Body diameter: 136 mm (5.35")
- Mounting base: 180×125 mm (7.09"×4.92")
- Rod thread: M20×1.5 (ISO 1337)
- Lubrication: Pre-lubricated (DIN 51503 VDL)
- ISO certification: 15552 (formerly ISO 6431)
High-force industrial cylinder designed for heavy-duty automation applications. Features dual cushioning control for smooth end-of-stroke deceleration and hardened piston rod for wear resistance. The rectangular base allows secure mounting in vertical/horizontal orientations. Optional magnetic piston version (add "-M" suffix) available for position sensing.
- Press machine ejection systems
- Automotive welding fixture clamping
- Foundry equipment material handling
- Heavy conveyor gate actuation
- Industrial lifting platforms
| Property | Property Value |
|---|---|
| sku | SI125X210CB |
| 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 | 210mm |
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.









