2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40X140S Standard Cylinder Specifications
- Model: SI40X140S
- Bore size: 40mm
- Stroke: 140mm
- Operation type: Double-acting
- Piston rod thread: M14×1.5
- Max theoretical thrust: 502N (at 0.8MPa)
- Operating pressure: 0.1–0.9 MPa
- Ambient temperature: -20℃ to 80℃
- Buffer type: Adjustable air cushion (both ends)
- Cushion adjustment range: 3–25mm
- Port size: G1/8 (M5 optional)
- Mounting type: Basic (optional foot/axis/flange mounts)
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (nitrile rubber)
- Weight: 1.65kg ±2%
- Dimensions: 240mm(L) × 60mm(W) × 60mm(H)
- ISO standard: 6432 (DIN/ISO 15552 compatible)
High-precision industrial cylinder with corrosion-resistant construction, featuring wear-compensating seals for extended service life. The anodized barrel surface enhances durability in humid environments. Requires 50μm filtered air and ISO VG32 hydraulic oil mist lubrication (0.3–0.5cc/min recommended).
- Packaging machine ejection mechanisms
- CNC machine tool clamping systems
- Automated assembly line positioning
- Plastic injection molding ejectors
- Textile machinery tension control
| Property | Property Value |
|---|---|
| sku | SI40X140S |
| 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 | <40mm> |
| 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.









