2. Piston features a durable Y-type axial seal with self-compensating function, providing extended service life and low friction resistance
3. Aluminum tube with crisscross reinforcement design and anodized tie rods for enhanced corrosion resistance
4. Adjustable cushioning for smooth operation
5. Multiple configurations available with comprehensive cylinder variants and mounting accessories for flexible system integration
Category: Standard Cylinders | Brand: AirTAC | Series: SI50
AirTAC SI50X420S Standard Cylinder Specifications
- Model: SI50X420S
- Type: ISO 15552 compliant single-acting/pneumatic return standard cylinder
- Bore size: 50 mm
- Stroke: 420 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃ (with NBR seals)
- Port size: G1/8 (Rc1/8 optional)
- Cushioning: Adjustable pneumatic cushion at both ends
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: Nitrile Butadiene Rubber (NBR)
- Mounting style: Basic foot mounting (MF1), other options available
- Repeat positioning accuracy: ±0.5 mm
- Max theoretical thrust: 1960N at 1.0 MPa
- Max piston speed: 500-800 mm/s (cushioned)
- Weight: 2.7 kg (dry, without accessories)
- Dimensions: 576mm(L) × 76mm(W) × 76mm(H) (retracted length: 156mm)
- Protection rating: IP65 (standard wiper design)
- Lubrication: Pre-lubricated (use ISO VG32 equivalent oil if required)
A heavy-duty ISO cylinder optimized for long-stroke industrial applications. Features dual anti-rotation guide rods (optional) and corrosion-resistant anodized surfaces. The SI50 series uses a double-lip piston seal design achieving ≤1 cm³/min internal leakage. Compatible with all standard AirTAC mounting accessories and position sensors.
- Press machine ejection systems
- Automated assembly line clamping devices
- Packaging machinery door actuators
- Plastic injection molding machine core pullers
- Material handling transfer systems
| Property | Property Value |
|---|---|
| sku | SI50X420S |
| 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 | PT1/4 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| 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.









