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 SI40X40 Standard Cylinder Specifications
- Model: SI40X40
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40 mm (±0.1mm manufacturing tolerance)
- Stroke: 40 mm (standard), customizable up to 500mm
- Operating pressure: 0.15–1.0 MPa (21–145 PSI)
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting types: Basic type (MF1), Foot-mounted (MP2), Front flange (MF2)
- Port size: M5x0.8 or 1/8" NPT (user selectable)
- Operating temperature: -20℃ to 80℃ (NBR seals)
- Material:
- Tube: Aluminum alloy AL6063-T5 with hard anodizing
- Piston rod: SUS304 stainless steel with hard chrome plating (10-25μm)
- Seals: NBR (standard), optional Viton for high temps
- Weight: 0.92 kg (with 40mm stroke)
- Dimensions:
- Total length: 200 mm (40mm stroke + end caps)
- Body diameter: 40 mm ±0.5mm
- Mounting hole spacing: 32mm (MF1 pattern)
- Rod thread: M10x1.25 (male)
- Max theoretical force: 125.6N @ 0.8MPa (extending)
- Piston speed: 50–800 mm/s (optimal range)
The SI40X40 combines high rigidity and anti-corrosion properties in a compact ISO-standard package. Its double-lip rod seal design minimizes leakage while maintaining low friction. Features dual adjustable air cushions for smooth deceleration at stroke ends, reducing impact noise below 75dB(A). Compatible with all major brand pneumatic accessories.
- Precision clamping in CNC fixture systems
- Actuation in food packaging machinery (FDA-compliant grease option)
- Automated conveyor gate control
- Printing press paper feed mechanisms
- Pharmaceutical blister pack sealing
| Property | Property Value |
|---|---|
| sku | SI40X40 |
| 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 | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <40mm> |
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.









