Airtac SI40 Standard Cylinder SI40BX20
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 SI40BX20 Standard Cylinder Specifications
- Model: SI40BX20
- Bore size: 40mm
- Stroke: 20mm
- Operating pressure: 0.05–0.9 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: M5x0.8 (Rc1/8 optional)
- Piston speed: 50–750 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (BX series)
- Material: Aluminum alloy barrel, stainless steel piston rod
- Seal material: NBR (nitrile rubber)
- Rod thread: M10x1.25
- Weight: 0.54kg
- Dimensions: 120mm(L) × 40mm(Bore) × 40mm(Mounting width)
- ISO standard: 6432 (ISO cylinder compatible)
A compact ISO-standard pneumatic cylinder with precision-machined guides, featuring dual adjustable air cushions for smooth end-of-stroke deceleration. The anodized aluminum body provides corrosion resistance in humid environments, while the chrome-plated piston rod ensures durability in high-cycle applications (up to 5 million cycles). Requires 40μm filtered lubricated air (ISO 8573-1 class 4).
- High-speed pick-and-place systems in electronics assembly
- Clamping mechanisms in plastic injection molding machines
- Material handling gates in automated warehouses
- Paper feed mechanisms in printing equipment
- Valve actuation in food processing lines
Installation note:
Lubricate piston rod with ISO VG32 hydraulic oil before initial use.
For vertical mounting, install locking nut (model SNS40) to prevent
piston rod rotation. Maintain 0.5mm minimum clearance between rod end
and load during alignment.
| Property | Property Value |
|---|---|
| sku | SI40BX20 |
| 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 | <20mm> |
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.