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 SI125X670S Standard Cylinder Specifications
- Model: SI125X670S
- Bore size: 125mm
- Stroke: 670mm
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO228/1 standard)
- Piston rod thread: M39×1.5 (external)
- Mounting type: Basic type (MF1) with optional accessories
- Cylinder tube material: Aluminum alloy (hard anodized)
- Piston rod material: Chrome-plated carbon steel (Cr-Mo)
- Seal material: NBR/PU compound seals
- Protection rating: IP65 (standard wiper design)
- Weight: 22.5kg (±3%)
- Dimensions: 850mm(L) × 145mm(W) × 145mm(H)
- Max theoretical thrust: 12,272N (at 1.0MPa)
- Max speed: 500–700mm/s (with cushioning)
High-power industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube with chromium carbide coating for wear resistance. The dual adjustable cushioning system minimizes end-impact noise while maintaining ±0.5mm positioning repeatability. Compatible with ISO 15552 mounting accessories.
- Automotive press line material handling
- Steel coil stacking/unstacking systems
- Injection molding machine ejectors
- Construction equipment actuators
- Shipbuilding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI125X670S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 670mm |
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.









