Airtac SI80 Standard Air Cylinder SI80AX275S
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 SI80AX275S Standard Cylinder Specifications
- Model: SI80AX275S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 80 mm
- Stroke: 275 mm (adjustable cushion range: 20-35mm)
- Operating pressure: 0.15–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: 1/4" NPT (G1/4 optional)
- Mounting style: Basic type (MF1) with optional accessories for foot/mid-flange
- Piston rod thread: M20×1.5 external thread
- Temperature range: -20℃ to 80℃
- Material:
- Tube: Aluminum alloy with hard anodized finish
- Piston rod: Chrome-plated steel (hardness ≥HRC45)
- End caps: Cast aluminum
- Seal material: NBR (Nitrile rubber) standard / optional FKM
- Protection rating: IP65 (rod gland area)
- Weight: 3.8 kg ±2% (without accessories)
- Dimensions:
- Total length: 467 mm (at 275mm stroke)
- Body diameter: 96 mm
- Mounting hole spacing: 40×40 mm (MF1 pattern)
Heavy-duty ISO cylinder featuring precision honed tube and triple lip seals for leak-free operation. The SI80AX275S combines 250-300% improved cushioning efficiency over basic models through its dual adjustable air buffers. Designed for high-cycle applications with built-in magnetic piston for sensor compatibility.
- Material handling systems requiring 500-1500N thrust force
- Automotive assembly line clamping fixtures
- Injection molding machine ejectors
- Palletizing robots in logistics centers
- Steel mill conveyor gate actuators
Installation note:
For vertical mounting, use auxiliary rod support when stroke exceeds 200mm.
Lubricate rod with ISO VG32 hydraulic oil during maintenance.
Allow 0.5-1mm thermal expansion gap in mounting brackets.
| Property | Property Value |
|---|---|
| sku | SI80AX275S |
| 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 | 275mm |
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.