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 SI125X450TC Standard Cylinder Specifications
- Model: SI125X450TC
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 450 mm (±0.5 mm tolerance)
- Operating pressure: 0.1–1.0 MPa (15–145 PSI)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Piston speed: 50–800 mm/s (lubricated)
- Ambient temperature: -20℃ to 80℃
- Rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile) standard, optional FKM/Viton
- Mounting type: Basic front flange (ISO 15552 MF1)
- Weight: 14.7 kg (dry, without accessories)
- Dimensions:
- Total length (L): 730 mm (at mid-stroke position)
- Body diameter: 140 mm (including cushion screws)
- Rod end thread: M20×1.5 (male)
- Mounting flange holes: 4ר14 mm (180×180 mm pattern)
A heavy-duty industrial cylinder designed for high moment load applications. Features dual anti-rotation guide rods (TC suffix) for enhanced lateral stability, making it ideal for applications requiring precise linear motion under side loads. The corrosion-resistant construction and triple lip seal design ensure 3,000 km minimum service life at rated conditions.
- Automotive welding fixture positioning
- Steel mill roller adjustment mechanisms
- Plastic injection molding ejector systems
- Paper converting equipment actuators
- Heavy material handling grippers
- Theoretical force @ 0.6 MPa: 7,357 N (extending), 6,692 N (retracting)
- Max side load capacity: 1,250 N (at rod end)
- Replacement seal kit: ASK-125-NBR
- Standard stroke accuracy: ±1.0 mm (adjustable via cushion screws)
| Property | Property Value |
|---|---|
| sku | SI125X450TC |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 450mm |
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.









