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 SI50AX20S Standard Cylinder Specifications
- Model: SI50AX20S
- Type: ISO 6432 compliant standard cylinder
- Bore size: Ø50 mm (±0.13 mm tolerance)
- Stroke: 20 mm (adjustable stroke version available)
- Operating pressure: 0.05–0.9 MPa (1.5–9 bar)
- Cushion type: Rubber buffer + adjustable end cushioning
- Mounting style: Basic type (multiple options: MF1 front flange, MB1 foot mount)
- Port size: G1/8 (M5×0.8 optional)
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Seal material: NBR (nitrile) standard, optional FKM for high temp
- Piston speed: 50–750 mm/s (optimal at 200–400 mm/s)
- Weight: 0.82 kg (excluding accessories)
- Dimensions: 120mm(L) × 50mm(W) × 50mm(H) (minimum extended length)
- Rod thread: M10×1.25 (external)
- Protection rating: IP65 (standard wiper design)
A compact ISO-standard pneumatic cylinder featuring wear-resistant aluminum alloy construction with hard anodized piston rod (HRC 45-50 hardness). The SI50AX20S combines high thrust force (theoretical 1767N at 0.7MPa) with precision cushioning adjustment. Includes built-in auto-switch grooves for sensor mounting. Requires 5μm filtered lubricated air (ISO 8573-1 class 3-4-3).
- Packaging machine clamping mechanisms
- CNC machine tool door interlocks
- Automated assembly line positioning
- Printing press paper feed systems
- Plastic injection molding ejectors
| Property | Property Value |
|---|---|
| sku | SI50AX20S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | <20mm> |
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.









