Airtac SI40 Standard Cylinder SI40AX425
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 SI40AX425 Standard Cylinder Specifications
- Model: SI40AX425
- Bore size: 40 mm
- Stroke: 425 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: 1/4" NPT (G1/8 optional)
- Mounting style: Basic type (MF1)
- Material: Aluminum alloy barrel, hardened steel piston rod
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Piston rod thread: M12×1.25
- Weight: 3.8 kg (bare cylinder), 4.1 kg (with accessories)
- Dimensions (L×W×H): 642 mm × 50 mm × 50 mm (extended length)
- Rod end type: Female thread with cushion ring
- Max theoretical thrust: 125.6 kgf at 0.63 MPa
- ISO standard: 6432 compatible
High-precision industrial cylinder optimized for long-stroke applications requiring smooth operation. Features double-acting operation with wear-resistant chromium-plated rod and built-in magnet for position sensing (optional). The anodized barrel resists corrosion in humid environments. Requires ISO VG32 or equivalent hydraulic oil lubrication.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Paper processing equipment actuators
- Automotive welding fixture positioning
- Food packaging machine pusher mechanisms
Installation note:
Maintain 0.5-1 mm alignment tolerance during mounting. For vertical installations,
use rod-down orientation to prevent moisture accumulation. Lubricate through air
supply (ISO VG32 oil mist, 1-2 drops/minute).
| Property | Property Value |
|---|---|
| sku | SI40AX425 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <425mm> |
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.