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 SI125X1250 Standard Cylinder Specifications
- Model: SI125X1250
- Bore size: 125mm
- Stroke: 1250mm
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Medium: Clean air (ISO8573-1:2010 Class 4)
- Cushion type: Adjustable pneumatic cushion
- Mounting style: Standard ISO15552 (VDMA 24562) front flange
- Port size: G1/2 (BSPP)
- Piston rod thread: M36x2 (ISO12240-1)
- Material: Aluminum alloy barrel, hardened steel rod
- Seal material: NBR (nitrile) standard, optional FKM/Viton
- Protection rating: IP65 (rod extended)
- Weight: ~45kg (dry, without accessories)
- Dimensions:
- Total length: 1450mm (stroke + end caps)
- Barrel diameter: 140mm (outer Ø)
- Mounting base: 165x165mm square pattern
- Rod end block: 75x75mm
High-thrust industrial cylinder designed for heavy-duty linear motion applications. Features chrome-plated piston rod with scrape ring for contamination resistance. The oversized cushioning system reduces end-impact by 60% compared to standard cylinders. Includes magnetic piston for sensor compatibility. Requires 20-50μm filtered lubricated air (ISO VG32 recommended).
- Automotive press line material handling
- Steel coil stacking/unstacking systems
- Injection molding machine ejectors
- Shipbuilding fixture positioning
- Construction equipment actuators
| Property | Property Value |
|---|---|
| sku | SI125X1250 |
| 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 | 1250 mm |
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.









