Airtac SI125 Standard Cylinder SI125BX250S
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 SI125BX250S Standard Cylinder Specifications
- Model: SI125BX250S
- Type: Double-acting pneumatic cylinder
- Bore size: Ø125mm
- Stroke: 250mm
- Port size: 1/2" NPT (G1/2 optional)
- Operating pressure: 0.15–0.95 MPa
- Cushioning type: Adjustable pneumatic cushion
- Mounting style: Square flange (BX series)
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP65
- Weight: 12.5kg ±3%
- Dimensions:
- Total length (extended): 550mm
- Body diameter: Ø140mm
- Mounting flange: 200×200mm
- Rod end thread: M30×1.5
High-thrust industrial cylinder designed for heavy-duty applications requiring precise linear motion. Features corrosion-resistant construction with double lip seals for zero-leakage performance. The hard chrome piston rod withstands side loads up to 20% of maximum thrust capacity. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Automotive press line automation
- Steel mill material handling systems
- Injection molding machine ejectors
- Paper processing equipment
- Heavy-duty clamping fixtures
Installation notes:
- Align cylinder axis within ±0.2° of load path
- Maximum side load capacity: 1,200N at mid-stroke
- Lubricate with ISO VG32 turbine oil if using non-lubricated air
- Allow 50mm clearance for rod extension in system design
| Property | Property Value |
|---|---|
| sku | SI125BX250S |
| 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 | <250MM> → <250mm> |
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.