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 SI40X55 Standard Cylinder Technical Specifications
- Model: SI40X55
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 55mm (customizable 10-500mm)
- Operating pressure: 0.15-0.8 MPa
- Piston speed: 50-700mm/s
- Cushioning type: Adjustable rubber buffer (both ends)
- Mounting options: Basic type (MF1), front flange (MP4), rear clevis (M3)
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (nitrile rubber) standard, optional FKM/Viton
- Rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Weight: 1.52kg (bare cylinder), 1.68kg with accessories
- Dimensions: 200mm(L) × 82mm(W) × 82mm(H) (retracted length)
- Rod thread: M10x1.25 female thread
- Protection class: IP54 (standard), IP67 available with optional wiper
The SI40X55 represents AirTAC's 5th-gen ISO cylinder featuring dual anti-rotation guides for precise linear motion. Its optimized flow path design achieves 15% faster response than previous models. The T-slot construction allows tool-free accessory mounting. Requires ISO VG32 hydraulic oil lubrication if used in high-cycling (>5Hz) applications.
- Clamping fixtures in CNC machining centers
- Cartesian robot Z-axis actuation
- Plastic injection molding ejectors
- Textile machinery thread tension control
- Automotive welding jig positioning
- Packaging machine flap folding mechanisms
- ASNU-40: Rod lock nut set
- M40LB: Magnetic sensor groove compatible cylinder version
- SCS-40: Stainless steel version for food-grade applications
| Property | Property Value |
|---|---|
| sku | SI40X55 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 55mm |
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.









