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 SI125X300SH Standard Cylinder Specifications
- Model: SI125X300SH
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 300 mm (±1.5mm tolerance)
- Operating pressure: 0.15–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Temperature range: -20℃ to 80℃
- Port size: G1/2 (BSPP thread)
- Mounting style: Basic type (with optional foot or flange mounting)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Seal material: NBR (nitrile rubber) with wear-resistant ring
- Weight: Approximately 3.8 kg (dry, without accessories)
- Dimensions:
- Total length: 450 mm (stroke + cylinder body)
- Body diameter: 136 mm (including cushion screws)
- Rod end thread: M20×1.5
- Mounting hole spacing: 160 mm (center-to-center)
- Magnetic switch compatibility: Built-in T-slot for D-A93/D-Z73 series sensors
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant aluminum alloy body with hard anodized finish and precision honed tube (Ra≤0.2μm). Includes auto-switch groove for position feedback and adjustable cushioning mechanism to minimize end-impact noise (65dB max).
- Press machine ejection systems
- Automotive welding fixture actuation
- Packaging line material clamping
- Foundry equipment positioning
- Plastic injection molding machine core pulling
| Property | Property Value |
|---|---|
| sku | SI125X300SH |
| Seal Material | FKM |
| 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 | 300mm |
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.









