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 SI125BX300SN Standard Cylinder Specifications
- Model: SI125BX300SN
- Bore size: 125mm
- Stroke: 300mm (standard stroke)
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Double adjustable rubber cushion
- Port size: G1/2 (ISO standard)
- Piston speed: 50–800 mm/s
- Mounting type: Basic type (no built-in mounting)
- Ambient temperature: -20℃ to 80℃
- Piston material: High-strength aluminum alloy (anodized)
- Rod material: Chrome-plated steel (Cr-Mo alloy)
- Seal type: NBR (nitrile) seals standard (PU optional)
- Weight: 7.8 kg (excluding accessories)
- Dimensions:
- Total length: 492mm (stroke 300mm + base length)
- Body diameter: Φ136mm
- Rod end thread: M30×1.5
- Mounting hole spacing: 160×160mm (standard pattern)
- IP rating: IP54 (standard dust/water protection)
- Lubrication: Pre-lubricated (recommended relube interval: 3,000km)
High-power industrial cylinder designed for heavy-duty linear motion applications. Features large bore size for significant force output (theoretical thrust: 12,272N at 1.0MPa). Corrosion-resistant construction with dual cushioning system enables smooth deceleration at stroke ends. Optional magnetic piston version (SI125BMX300SN) available for position sensing.
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Packaging machinery compression units
- Foundry equipment for mold handling
- Construction material press machines
- Mounting brackets: MFH-16 series
- Rod clevis: MC-125
- Stroke adjustment kit: SAK-125
- Rod cover: RCP-125 (for particulate environments)
| Property | Property Value |
|---|---|
| sku | SI125BX300SN |
| Seal Material | NBR |
| 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 | 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.









