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 SI50AX140S Standard Cylinder Specifications
- Model: SI50AX140S (Standard ISO 6432 Series)
- Type: Double-acting pneumatic cylinder
- Bore size: 50 mm
- Stroke: 140 mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Port size: G1/8 (ISO 228-1 standard)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod thread: M16×1.5 (external thread)
- Temperature range: -20℃ to 80℃
- Cylinder material: Anodized aluminum alloy barrel
- Seal material: NBR (nitrile) with wear-resistant ring
- Weight: 2.45 kg (without accessories)
- Dimensions: 360mm(L) × 62mm(W) × 62mm(H) (Cushion adjusted to neutral position)
- Rod end type: Female thread + through-hole design
- Max theoretical thrust: 1963N @ 0.63MPa
- Max speed: 500–800 mm/s (with cushion adjustment)
The SI50AX140S features a compact ISO-compliant design with precision honed inner bore (Ra≤0.2μm surface finish) for smooth operation. Its double lip seal structure reduces air consumption by 18% compared to previous models. The triple chrome-plated piston rod (HV700-900) resists corrosion in humid environments. Built-in magnet slot (optional) enables position sensing compatibility.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool door interlocks
- Automotive welding fixture positioning
- Packaging machine pusher arms
| Property | Property Value |
|---|---|
| sku | SI50AX140S |
| 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 | <140mm> |
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.









