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 SI80X303S Standard Cylinder Specifications
- Model: SI80X303S
- Bore size: 80mm
- Stroke: 303mm
- Operating pressure: 0.15–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1)
- Port size: G1/4
- Operating temperature: -20℃ to 80℃
- Seal material: NBR (nitrile rubber)
- Piston rod material: Chrome-plated carbon steel
- Tube material: Aluminum alloy
- Weight: ~2.8kg (without accessories)
- Dimensions: 403mm(L) × 80mm(W) × 80mm(H) (stroke included)
- Protection rating: IP65 (standard wiper seal)
- Piston speed: 50–800mm/s (optimal range)
A heavy-duty ISO cylinder with precision-machined components for smooth linear motion. Features dual adjustable pneumatic cushions for shock absorption and reduced end-impact noise. The anodized aluminum body provides corrosion resistance in humid environments. Compatible with AT/SC series mounting brackets.
- Material handling in automated assembly lines
- Clamping mechanisms in CNC machining centers
- Packaging equipment pressurization systems
- Automotive welding fixture positioning
- Plastic injection molding ejection units

Property | Property Value |
---|---|
sku | SI80X303S |
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 | Medium Carbon Steel |
Magnet | S-Magnetic |
Bore Diameter | 80 mm |
Stroke | 303mm |
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.