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 SI80X550STC Standard Cylinder Specifications
- Model: SI80X550STC
- Bore size: 80mm
- Stroke: 550mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Temperature range: -20℃ to 80℃
- Port size: G1/4 (NPT1/4 optional)
- Mounting style: Standard ISO/VDMA front flange (MF1), rear pivot (MP4), and foot mounting (MA)
- Piston rod material: Hard chrome-plated carbon steel (S45C)
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR + Polyurethane (PU) combination
- Protection rating: IP65 (standard wiper design)
- Weight: 8.7kg (with standard accessories)
- Dimensions: 722mm(L) × 95mm(W) × 95mm(H) (extended length)
- Retracted length: 722mm - 550mm stroke = 172mm base length
- Max theoretical thrust: 502N at 0.63MPa (calculated using π×(40mm)²×0.63MPa)
High-performance ISO-standard pneumatic cylinder featuring dual adjustable pneumatic cushions for smooth end-of-stroke deceleration. The triple-seal design (rod seal, buffer seal, and wiper) ensures exceptional dust resistance and leakage prevention. Precision honed tube with ≤0.02mm inner diameter tolerance guarantees consistent performance in repetitive automation cycles.
- Press machine ejection systems
- Automotive welding fixture positioning
- Packaging line product transfer gates
- Plastic injection molding machine core pulls
- CNC machine tool chip conveyor actuators

Property | Property Value |
---|---|
sku | SI80X550STC |
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 | 550mm |
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.