Airtac SI40 Standard Cylinder SI40X140
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 SI40X140 Standard Cylinder Specifications
- Model: SI40X140
- Bore size: 40mm
- Stroke: 140mm
- Operating pressure: 0.05–0.9 MPa
- Cushion type: Adjustable rubber buffer (both ends)
- Port size: M5x0.8 (standard), optional G1/8 or NPT1/8
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated carbon steel (Cr-Mo)
- Seal material: NBR (standard), optional FKM for high temp
- Temperature range: -20℃ to 80℃
- Max speed: 500mm/s (with cushion)
- Weight: 1.25kg ±2% (excluding accessories)
- Dimensions: 240mm(L) × 40mm(W) × 40mm(H) (retracted state)
- Mounting types: Basic type (MF1), front flange (MF2), rear flange (MF3), foot mount (MF4)
- IP rating: IP65 (standard rod seal protection)
- Lubrication: Pre-lubricated - requires oil mist lubrication for continuous operation
A high-rigidity ISO cylinder with optimized air consumption (1.5L/stroke at 0.5MPa). Features dual-piston seal design for enhanced leakage protection and tungsten-carbide treated rod bearings. The T-slot mounting groove allows flexible accessory attachment. Requires 40μm filtered air with ISO VG32 hydraulic oil mist (1:300 ratio).
- Plastic injection molding machine ejectors
- CNC machine tool clamping mechanisms
- Automated conveyor gate actuators
- Packaging machine pusher assemblies
- Printing press paper feed systems
Installation note:
Maintain 0.5mm minimum lateral clearance during alignment. For vertical mounting,
use rod-end support brackets when stroke exceeds 100mm. Lubricate through air supply
at 1 drip/3-5m³ airflow during initial 2-hour run-in period.
| Property | Property Value |
|---|---|
| sku | SI40X140 |
| 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 | <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.