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 SI125BX30S Standard Cylinder Specifications
- Model: SI125BX30S
- Bore size: 125mm
- Stroke: 30mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G3/8 (ISO standard)
- Piston rod thread: M20×1.5
- Mounting type: Basic type (no built-in mounting)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Seal material: NBR (standard), optional PU
- Weight: 5.4 kg (with rod)
- Dimensions: 230mm(L) × 125mm(W) × 125mm(H)
- Rod diameter: 25mm
- Protection class: IP65 (dust-proof & water-resistant)
- ISO standard: 15552 compliant
High-force industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube with hard anodized piston rod (15μm coating thickness) and wear-resistant guide rings. Includes magnetic piston for sensor compatibility. Lubricator-free design with maintenance-free seals.
- Press machine tooling operations
- Automotive welding fixture clamping
- Foundry equipment metal casting
- Heavy conveyor gate actuation
- Industrial lifting platforms
| Property | Property Value |
|---|---|
| sku | SI125BX30S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 30mm |
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.









