Airtac SI40 Standard Cylinder SI40BX125
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 SI40BX125 Standard Cylinder Specifications
- Model: SI40BX125 (Standard ISO 6432-compliant)
- Bore size: 40mm
- Stroke: 125mm (customizable 25-500mm)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/8 (ISO 228 standard)
- Piston rod material: Hard chrome-plated carbon steel (C45)
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal type: NBR + PU combination seals
- Ambient temperature: -20℃ to +80℃
- Piston speed: 50–800 mm/s
- Weight: 2.45 kg (bare cylinder without accessories)
- Dimensions (L×W×H):
- Basic length: 196mm (without stroke)
- Total extended length: 196 + 125 = 321mm
- Mounting face width: 32mm
- Height with mounting brackets: 62mm
- Mounting options: Basic type (no foot), MF1 front flange, MP4 pivot bracket
- Lubrication: Pre-lubricated (oil-free operation possible)
- Protection class: IP65 (standard wiper design)
The SI40BX125 combines high rigidity and precise positioning with its double-guide rod structure, ideal for vertical load applications. Features anti-rotation mechanism (optional) and magnetic piston for position sensing. Optimized air consumption through precision-machined internal channels reduces compressed air waste by 18% compared to previous generations.
- Automated palletizing systems (box positioning)
- Plastic injection molding ejectors
- CNC machine tool clamping mechanisms
- Pharmaceutical blister packaging lines
- Automotive welding fixture actuation
Installation guidelines:
For vertical mounting exceeding 50kg load capacity, use reinforced MF2 flange.
Maintain 0.5mm minimum clearance between magnetic sensor and cylinder body.
Lubricate rod every 500km travel distance in high-cycle applications.
| Property | Property Value |
|---|---|
| sku | SI40BX125 |
| 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 | SUS304 |
| 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.