2. Piston sealing features dual-locked Y-type axial sealing structure with dust scraping capability, delivering extended service life and low friction resistance;
3. Aluminum tube with cross-shaped reinforcement and anodized tie rods for enhanced corrosion resistance;
4. Optimized cushion adjustment system with stable stroke control;
5. Multiple bore sizes and mounting accessories available for flexible configuration.
Category: Standard Cylinders | Brand: Airtac | Series: SI63
AirTAC SI63 Standard Cylinder SI63X685 Technical Specifications
- Model Code: SI63X685
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: Ø63mm ±0.1mm
- Stroke: 685mm (adjustable stroke version available)
- Operating pressure: 0.05-1.0 MPa (7-145 psi)
- Temperature range: -20℃ to 80℃ (non-lubricated), -10℃ to 150℃ (lubricated)
- Cushioning: Adjustable elastic cushioning at both ends
- Port size: G1/4 (BSPP) dual ports
- Piston rod thread: M20×1.5 external thread
- Material: Aluminum alloy barrel, hardened chrome-plated rod (Cr≥15μm)
- Seal type: HNBR seals with wear ring (standard), optional FKM for chemical resistance
- Weight: 3.8kg ±2% (excluding accessories)
- Dimensions: 945mm(L) × 85mm(W) × 85mm(H) (full extension)
- Retract length: 260mm (minimum installation space)
- Rod end: Female clevis with ø12mm pin hole
- ISO standard mounting: Front flange FF63, rear foot mounting MF63
High-precision industrial cylinder optimized for long-stroke applications requiring smooth linear motion. Features double-lip rod seal design with integrated wiper to prevent contamination ingress. Anti-rotation mechanism prevents piston spin during operation. Pre-lubricated for 5,000km service life at 0.5MPa.
- Plastic injection molding machine ejectors
- Automated conveyor gate actuators
- Steel mill roller positioning systems
- Paper processing equipment tensioners
- Solar panel production line handlers
| Property | Property Value |
|---|---|
| sku | SI63X685 |
| 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 | 63mm |
| Stroke | 685mm |
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.









