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 SI125BX45 Standard Cylinder Specifications
- Model: SI125BX45
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 45mm (customizable up to 2000mm)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: G3/8 (NPT1/2 optional)
- Cushioning: Adjustable pneumatic cushion
- Piston rod thread: M24×1.5
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Mounting style: Basic front flange (ISO 15552-MF1)
- Weight: 5.2 kg (without accessories)
- Dimensions:
- Total length: 218mm (stroke 45 + 173mm base)
- Body diameter: 140mm (outer Ø)
- Mounting hole spacing: 160×160mm
- Protection rating: IP65 (wipers included)
- Lubrication: Pre-lubricated (DIN 51503 VDL)
A heavy-duty industrial cylinder featuring corrosion-resistant construction and dual adjustable air cushions. The large 125mm bore delivers up to 1,227N thrust at 0.8MPa. Magnetic piston version (SI125M) available for position sensing. Includes built-in mounting threads for shock absorber accessories.
- Material handling systems (conveyor gate actuators)
- Stamping machine pressure mechanisms
- Automotive assembly line positioning
- Industrial press ejection systems
- Packaging machine compression units

Property | Property Value |
---|---|
sku | SI125BX45 |
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 | <45mm> |
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.