Airtac SI40 Standard Cylinder SI40BX155S
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 SI40BX155S Standard Cylinder Specifications
- Model: SI40BX155S
- Bore diameter: 40 mm
- Stroke: 155 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Port size: Rc1/8 (G1/8 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Mounting type: Basic foot mounting (ISO 15552 standard)
- Weight: 1.85 kg (with magnetic piston)
- Dimensions: 303mm(L) × 50mm(W) × 50mm(H) (fully retracted)
- Rod end thread: M10×1.25 (male)
- Protection rating: IP54 (standard wiper seal)
- Lubrication: Pre-lubricated (Oil-free operation possible)
A high-performance ISO-compliant pneumatic cylinder featuring dual cushion adjustment and corrosion-resistant construction. The SI40 series delivers 460N thrust at 0.63MPa with precision alignment guides for reduced side load wear. Magnetic piston version (SI40BX) enables position feedback when used with external sensors.
- Automated assembly line pusher mechanisms
- Packaging machine clamp positioning
- CNC machine tool door actuators
- Plastic injection molding ejector systems
- Conveyor gate control in food processing
Installation note:
Maintain 0.5mm minimum lateral alignment tolerance during mounting.
For vertical installations, use locknut (AS-06) on rod end to prevent
unscrewing. Lubricate with ISO VG32 hydraulic oil if operating below -10℃.
| Property | Property Value |
|---|---|
| sku | SI40BX155S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 150mm |
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.