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 SI40BX475 Standard Cylinder Specifications
- Model: SI40BX475
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: Ø40 mm
- Stroke: 475 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (standard) with multiple accessory options
- Port size: M5x0.8 (G1/8 optional)
- Piston rod material: Chrome-plated steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Weight: 2.65 kg (5.84 lbs)
- Dimensions: 705mm(L) × 50mm(W) × 50mm(H)
- Protection rating: IP65 (standard wiper seal)
- Max theoretical thrust: 1004N @0.8MPa (push side)
- Piston speed: 50–800 mm/s (lubricated condition)
High-precision industrial cylinder with hardened piston rod (HRC 35-40) for extended wear resistance. Features dual anti-rotation design for stable linear motion and T-slot mounting grooves for flexible installation. The BX series uses a composite piston design with integrated magnet for position sensing compatibility. Requires ISO VG32 or equivalent hydraulic oil for lubrication (optional oil-free operation available).
- Automated production line material handling
- Packaging machine clamping mechanisms
- Plastic injection molding ejector systems
- Automotive welding fixture positioning
- CNC machine tool door actuators
| Property | Property Value |
|---|---|
| sku | SI40BX475 |
| 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 | 475 mm |
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.









