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 SI40BX425 Standard Cylinder Specifications
- Model: SI40BX425
- Bore size: 40mm
- Stroke: 25mm (Customizable: 25-500mm)
- Operation type: Double-acting
- Working pressure: 0.05-1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with standard foot mounting
- Port size: M5x0.8 (G1/8 optional)
- Piston speed: 50-750 mm/s
- Ambient temperature: -20℃ to 80℃
- Material:
- Cylinder tube: Aluminum alloy, hard anodized
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR (Nitrile rubber), optional FKM/Viton
- Weight: 0.65 kg (bare cylinder), 0.72 kg (with accessories)
- Dimensions:
- Length: 136mm (including rod end)
- Width: 52mm (mounting foot span)
- Height: 49mm (tube diameter with cushion)
- ISO standard: Compliant with ISO 6432
- Protection class: IP65 (standard), IP67 optional
The SI40BX425 compact pneumatic cylinder features precision-machined components with dual cushioning adjustment screws for smooth stroke termination. Its anti-rotation piston rod design ensures stable linear motion, while the corrosion-resistant construction withstands harsh industrial environments. Requires 40μm filtered air with 1-2 drops of ISO VG32 lubricator oil per m³ for optimal performance.
- Electronics assembly pick-and-place units
- Pharmaceutical blister packaging machines
- Automated door locking mechanisms
- Textile machinery thread tension control
- Semiconductor wafer handling systems
| Property | Property Value |
|---|---|
| sku | SI40BX425 |
| 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 | <425mm> |
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.









