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 SI40X185S Standard Cylinder Specifications
- Model: SI40X185S
- Bore size: 40 mm
- Stroke: 185 mm
- Operating pressure: 0.05–1.0 MPa
- Piston rod diameter: 16 mm (chromed steel)
- Cushioning: Adjustable air cushion at both ends
- Port size: G1/8 (NPT1/8 optional)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (nitrile rubber)
- Body material: Aluminum alloy (anodized)
- Mounting type: Basic front flange (ISO 15552 standard)
- Weight: 2.8 kg ±3%
- Dimensions (L×W×H): 285mm × 53mm × 53mm (minimum extended length)
- Max thrust: 1260N at 0.7 MPa
- Speed range: 50–800 mm/s (with speed controller)
- Position detection: Magnet compatible (reed switch or sensor ready)
High-durability ISO-compliant pneumatic cylinder optimized for repetitive industrial applications. Features double-acting operation with corrosion-resistant construction and wear-compensating seals. The aluminum body reduces inertia while maintaining structural rigidity. Requires 40μm filtered compressed air with ISO VG32 lubricator oil (optional).
- Automated assembly line clamping mechanisms
- CNC machine tool door actuators
- Plastic injection molding ejector systems
- Material handling pusher cylinders
- Printing press paper feed units
| Property | Property Value |
|---|---|
| sku | SI40X185S |
| 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 | 185mm |
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.









