Airtac SI125 Standard Cylinder SI125BX850S
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 SI125BX850S Standard Cylinder Specifications
- Model: SI125BX850S
- Type: Double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 850mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with foot mounting
- Port size: 1/2" NPT (G1/2 optional)
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Operating temperature: -20℃ to 80℃
- Weight: 15.8kg ±2%
- Dimensions: 1105mm(L) × 135mm(W) × 135mm(H)
- Rod thread: M20×1.5
- Protection rating: IP65 (standard wiper seal)
- Theoretical thrust: 10,990N @0.63MPa
- Lubrication: Pre-lubricated (oil-free operation possible)
High-force industrial cylinder engineered for heavy-duty linear motion applications. Features precision honed tubing and triple sealing system for leak-free operation. The extended 850mm stroke version includes reinforced guide bushings to prevent rod deflection, with magnetic piston option (SI125MX850S variant) available for position sensing.
- Metal stamping press ejection systems
- Automotive assembly line positioning
- Industrial press brake tooling adjustment
- Large-scale material handling gates
- Paper mill roller engagement mechanisms
Installation note:
Recommend horizontal mounting orientation for full-stroke applications.
Maintain 0.5mm/min maximum piston speed for optimal cushioning performance.
Lubricate rod weekly in high-cycle applications (>500,000 cycles/month).
| Property | Property Value |
|---|---|
| sku | SI125BX850S |
| 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 | 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.