Airtac SI125 Standard Cylinder SI125X850S
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 SI125X850S Standard Cylinder Specifications
- Model: SI125X850S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 850mm
- Operating pressure: 0.15-1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting type: Basic type (MF1) with front flange & rear foot
- Port size: G1/2 (NPT1/2 optional)
- Temperature range: -20℃ to 80℃
- Material:
- Tube: Aluminum alloy hard oxidation
- Piston rod: Chrome-plated steel (Cr-Mo)
- End caps: Aluminum alloy
- Seal material: NBR + PU combination
- Weight: 12.8kg ±2% (without accessories)
- Dimensions:
- Total length: 1,130mm (stroke + structural length)
- Body diameter: 125mm
- Rod end thread: M33x2
- Mounting hole spacing: 160mm (front flange)
- Rod hardness: 50-60 HRC
- Max theoretical thrust: 15,700N @1.0MPa
- Max speed: 1,000mm/s
High-force industrial cylinder engineered for heavy-duty linear motion applications. Features corrosion-resistant construction with triple sealing system (wiper seal + rod seal + piston seal). Precision honed tube ensures ≤0.05mm inner diameter tolerance. Requires ISO VG32 or equivalent lubrication.
- Metal stamping press ejection systems
- Injection molding machine core-pulling mechanisms
- Automotive assembly line positioning
- Steel mill material handling gates
- Paper processing equipment actuators
Installation notes:
Maintain 0.5mm minimum alignment tolerance between cylinder axis and load direction.
For vertical mounting exceeding 45° angle, install rod support unit (optional accessory SI-ADAPT125).
Adjust cushion screws gradually (max 1/4 turn per adjustment) during commissioning.
| Property | Property Value |
|---|---|
| sku | SI125X850S |
| 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 | 850 mm |
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.