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 SI40AX125 Standard Cylinder Technical Specifications
- Model: SI40AX125
- Type: Single-acting spring return (ISO 6432 compliant)
- Bore size: Ø125mm (±0.1mm tolerance)
- Stroke range: 25-500mm (standard strokes in 25mm increments)
- Operating pressure: 0.1-0.9 MPa (1-9 bar)
- Cushioning: Adjustable pneumatic cushion (front)
- Port size: G1/2 (BSPP thread)
- Piston rod thread: M20×1.5 (ISO 12240-1 standard)
- Ambient temperature: -20℃ to 80℃ (dry air required below 0℃)
- Max theoretical force: 1,103N @ 0.7MPa
- Weight: 5.2kg (with 100mm stroke, ±3% variance)
- Dimensions (L×W×H): 298×145×145mm (100mm stroke version)
- Material: Aluminum alloy body (AL6063-T5), CR12MoV piston rod
- Seal type: HNBR/NBR composite seals (FDA compliant options available)
- Mounting: Basic front flange (ISO 15552 MF1), optional rear pivot
- Lubrication: Pre-lubricated (Use ISO VG32 turbine oil if re-lubing required)
High-force industrial cylinder engineered for demanding linear motion applications. Features dual anti-rotation guide rods for enhanced lateral load capacity (max 200N side load). The hard-anodized piston rod surface (HRC 45-50) ensures wear resistance in high-cycle environments. Integrated magnet slot (D-M9B) enables position sensing compatibility.
- Metal stamping press ejection systems
- Automotive welding fixture clamping
- Plastic injection molding machine core pulls
- Heavy-duty conveyor gate actuators
- Paper mill roller engagement mechanisms
| Property | Property Value |
|---|---|
| sku | SI40AX125 |
| 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℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | SUS420J2 |
| 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.









