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 SI125BX250 Standard Cylinder Specifications
- Model: SI125BX250
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 250mm (customizable 25-2000mm)
- Operating pressure: 0.15–1.0 MPa
- Port size: G1/2 (BSPP thread)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting: Standard ISO mounting (BX series)
- Piston rod thread: M30x1.5
- Temperature range: -20℃ to 80℃
- Material:
- Tube: Hard anodized aluminum alloy
- End caps: Cast aluminum
- Piston rod: Chrome-plated steel
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (standard), IP67 optional
- Weight: 14.8kg ±2% (without accessories)
- Dimensions:
- Total length: 542mm (at 250mm stroke)
- Tube outer diameter: 140mm
- Mounting center distance: 160mm
- Rod end bracket: 60x60mm mounting surface
A heavy-duty industrial cylinder featuring triple sealing protection and wear-resistant guide rings. The corrosion-resistant design includes a multi-layer chrome-plated rod (20μm thickness) with integrated scraper seal. Requires ISO VG32 or equivalent hydraulic oil lubrication for optimal performance.
- Automotive production line clamping systems
- Foundry equipment actuation
- Plastic injection molding machine ejectors
- Heavy material handling gates/doors
- Paper mill roller positioning
| Property | Property Value |
|---|---|
| sku | SI125BX250 |
| 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 | Non-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.







