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 SI40X87 Standard Cylinder Specifications
- Model: SI40X87
- Bore size: 40 mm
- Stroke: 87 mm
- Operating pressure: 0.15–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (MF1), optional foot/mounting flange
- Port size: G1/4 (ISO standard)
- Piston rod thread: M12×1.25 (ISO 9409-1)
- Cylinder tube material: Aluminum alloy (hard anodized)
- Piston rod material: Chrome-plated carbon steel
- Seal material: NBR (nitrile rubber)
- Weight: 1.46 kg (with standard accessories)
- Dimensions (L×W×H): 189 mm × 40 mm × 40 mm (retracted state)
- Max theoretical thrust: 125.6 N @0.5 MPa
- Max speed: 500–800 mm/s (with cushion adjustment)
- ISO certification: 6431, VDMA 24562
A high-rigidity workhorse cylinder featuring dual adjustable air cushions and corrosion-resistant construction. The hard-anodized tube and triple-lip rod seal ensure ≤0.5 mm³/min leakage. Optimized for vertical/horizontal installations requiring precise stop positioning. Includes anti-rotation guide for moment load applications.
- Die-casting machine ejection systems
- CNC fixture clamping mechanisms
- Automated palletizing arms
- Plastic injection molding gate controls
- Food processing conveyor diverters
| Property | Property Value |
|---|---|
| sku | SI40X87 |
| 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 | 87mm |
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.









