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 SI80X440 Standard Cylinder Technical Specifications
- Model: SI80X440
- Type: Double-acting pneumatic cylinder
- Bore size: Ø80mm
- Stroke: 440mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Port thread: G1/4 (NPT1/4 optional)
- Cushion type: Adjustable air cushion (both ends)
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: NBR/PU compound seals
- Operating temperature: -20℃ to +80℃
- Weight: 5.8kg (12.8lbs)
- Dimensions: 560mm(L) × 115mm(W) × 115mm(H)
- Rod end thread: M20×1.5
- Max theoretical thrust: 402N @0.5MPa
- ISO standard: 6432 (mounting dimensions)
- Protection rating: IP54 (standard wiper design)
High-thrust industrial cylinder engineered for heavy-duty linear motion applications. Features precision honed tubing and multi-layered sealing system for leak-free operation. The dual cushioning mechanism allows smooth deceleration at stroke ends, reducing impact noise below 75dB(A). Compatible with all ISO 6432 mounting accessories.
- Press machine ejection systems
- Automotive welding fixture positioning
- Packaging line material clamping
- Plastic injection molding machine gates
- Foundry equipment door actuators

- Max speed: 500mm/s (with cushioning engaged)
- Lifetime expectancy: 5,000km (3,107mi) under standard load
- Re-lubrication interval: 2,000km (1,243mi) or 6 months
- Air consumption: 5.3L/stroke @0.5MPa
Property | Property Value |
---|---|
sku | SI80X440 |
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 | Non-magnetic |
Bore Diameter | 80 mm |
Stroke | 440mm |
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.