2. V-ring guided Y-shaped piston seal with buffering capability, extended service life, and low friction characteristics;
3. Aluminum alloy tube with cruciform reinforcement & anti-corrosion treated tie rods for superior durability;
4. Adjustable cushioning system for smooth piston deceleration;
5. Multiple specifications and mounting accessories available for flexible configuration options.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI80
AirTAC SI80AX140S Standard Cylinder Specifications
- Model: SI80AX140S
- Bore size: 80 mm
- Stroke: 140 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Standard ISO 15552 foot & front flange
- Port size: G1/4 (NPT1/4 optional)
- Piston rod material: Chrome-plated carbon steel (H5 precision)
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Max theoretical thrust: 395 N @ 0.6 MPa
- Weight: 3.2 kg (7.05 lbs)
- Dimensions (L×W×H):
- Retracted length: 273 mm
- Extended length: 413 mm
- Body diameter: 80 mm
- Mounting base: 125×80 mm
- ISO certification: Compliant with ISO 15552 (previously ISO 6431)
A heavy-duty ISO-standard pneumatic cylinder featuring dual adjustable air cushions for smooth deceleration. The hard-anodized barrel provides exceptional wear resistance, while the 4-stripe design on the piston rod minimizes side load wear. Optimized for medium-load applications requiring precise stroke control and repeat positioning accuracy within ±0.5 mm.
- Palletizing robots in logistics systems
- Clamping fixtures for CNC machining centers
- Die-casting machine ejection mechanisms
- Automotive assembly line positioning units
- Plastic injection molding machine gates
| Property | Property Value |
|---|---|
| sku | SI80AX140S |
| 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 | PT3/8 |
| Piston Rod Material | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 80 mm |
| Stroke | <140mm> |
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.









