Airtac SI40 Standard Cylinder SI40X125N
2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40X125N Standard Cylinder Specifications
- Model: SI40X125N
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 125mm (customizable 25-500mm)
- Operating pressure: 0.05-1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushion type: Adjustable rubber buffer (both ends)
- Mounting style: Basic type (MF1)
- Port size: G1/8 (Rc1/8 optional)
- Piston material: Die-cast aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr equivalent ≥0.8μm)
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP65 (rod extended state)
- Theoretical thrust: 1236N@0.7MPa (extend), 1130N@0.7MPa (retract)
- Max speed: 500-800mm/s (with cushion adjustment)
- Weight: 1.85kg ±2%
- Dimensions:
- Total length (L): 261mm (stroke 125mm)
- Body diameter: Φ40mm ±0.5mm
- Rod diameter: Φ16mm
- Mounting hole spacing: 32mm (front) / 40mm (rear)
High-precision ISO cylinder with triple sealing system (rod seal + wiper seal + guide ring), featuring low friction resistance and stable operation. The hard chrome-plated piston rod resists scoring and corrosion. Optional magnetic piston version (SI40X125N-M9) available for position sensing.
- Clamping mechanisms in CNC machining centers
- Material handling systems (conveyor diverters)
- Automated packaging equipment (case erectors)
- Printing machinery paper feed systems
- Automotive welding fixture positioning
Installation note:
Maintain parallelism within 0.2mm during mounting. Use locknuts (M5x0.8) with 2.5-3.5Nm torque.
Lubricate with ISO VG32 hydraulic oil if operating below 0.3MPa. Annual seal replacement recommended
in high-cycle applications (＞1 million strokes/year).
| Property | Property Value |
|---|---|
| sku | SI40X125N |
| 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℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 125mm |
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.