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 SI63X420 Standard Cylinder Technical Specifications
- Model: SI63X420
- Type: ISO 6432 compliant single-acting/dual-acting (optional)
- Bore size: 63mm (ISO standard)
- Stroke: 420mm (±1mm tolerance)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃ (extended to 120℃ with HNBR seals)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (MF1), front flange (MF2), or rear clevis (MFC1)
- Port size: G1/4 (M10x1.0 optional)
- Piston rod thread: M16x1.5 (standard), M20x1.5 (heavy load option)
- Seal material: Standard NBR, optional FKM/Viton for chemical resistance
- Weight: 3.8kg (single-acting), 4.1kg (dual-acting)
- Dimensions: 628mm(L) × 80mm(W) × 80mm(H) (extended length with stroke)
- Max theoretical thrust: 3120N@1.0MPa (dual-acting)
- Max speed: 500-800mm/s (with proper cushion adjustment)
- Air filtration requirement: 5-40μm particulate filter
High-precision industrial cylinder with hard-anodized aluminum tube and chrome-plated piston rod (Rod CR10+ specification). Features wear-resistant bearing bands and auto-switch compatible grooves (2xM5 slots). The SI63X420 delivers exceptional lateral load capacity through its reinforced guide bushing design, making it ideal for long-stroke applications requiring positional stability.
- Automated press machine ejection systems
- Plastic injection molding machine core-pulling
- Sheet metal bending equipment actuators
- Automotive assembly line positioning devices
- Food processing conveyor gate controls
| Property | Property Value |
|---|---|
| sku | SI63X420 |
| 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 | 420mm |
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.









