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 SI40BX220 Standard Cylinder Technical Specifications
- Model: SI40BX220
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40mm (±0.08mm tolerance)
- Stroke: 220mm (adjustable cushioning)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Air cushion with adjustable buffer
- Mounting style: Basic series (optional foot/mounting flange)
- Port size: G1/8 (NPT1/4 optional)
- Piston rod thread: M12×1.25 (external)
- Material: Aluminum alloy barrel (6063-T5), CR12MoV piston rod
- Seal material: NBR (nitrile) with wear-resistant ring
- Protection rating: IP65 (standard), IP67 optional
- Weight: 2.45kg (±3%)
- Dimensions: 320mm(L) × 50mm(W) × 50mm(H) (stroke extended)
High-precision industrial cylinder featuring chromium-plated piston rod and dual anti-collision buffers. The anodized barrel surface resists chemical corrosion, while the built-in magnet supports position sensing. Requires 40μm filtered air with ISO VG32 lubricant (optional oil-free operation).
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool part positioning
- Packaging machinery pusher arms
- Automotive welding fixture actuators
| Property | Property Value |
|---|---|
| sku | SI40BX220 |
| 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 | 220mm |
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.









