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 SI80X270S Standard Cylinder Specifications
- Model: SI80X270S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 80 mm
- Stroke: 270 mm (±0.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa (1–9 bar)
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/4 (ISO 228/1)
- Piston rod thread: M20×1.5 external
- Mounting: Basic type (ISO 15552 MF1)
- Material:
- Tube: Hard anodized aluminum alloy
- End caps: Die-cast aluminum alloy
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR (standard), optional polyurethane for high-speed applications
- Weight: 4.2 kg (excluding accessories)
- Dimensions:
- Total length: 367 mm (stroke + end caps)
- Tube outer diameter: 93 mm
- Mounting spacing: 65 mm (center-to-center)
- Rod extension length: 297 mm (at full stroke)
The SI80X270S features a robust ISO-standard design with dual anti-rotation guides (8mm keys) for torque resistance. Its wear-resistant rod bearing and multi-lip seal ensure >3,000km service life at 0.5m/s speed. The cylinder incorporates a magnetic piston (DIN 43650 connector) for position sensing compatibility.
- Heavy-duty press machinery ejection systems
- Automotive assembly line clamping devices
- Packaging line product transfer gates
- Plastic injection molding machine core pulls
- Industrial elevator vertical actuators

Property | Property Value |
---|---|
sku | SI80X270S |
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 | 270mm |
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.