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 SI40X300S Standard Cylinder Specifications
- Model: SI40X300S
- Bore size: 40mm
- Stroke: 300mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (axial mounting)
- Port size: M5x0.8 (G1/8 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Rod material: Hard chrome-plated carbon steel
- Protection rating: IP65 (dust/water jet resistant)
- Weight: 1.65 kg (without accessories)
- Dimensions: 406mm(L) × 52mm(W) × 52mm(H)
- Rod thread: M10x1.25 (external)
- Max lateral load: 68N at 0.5MPa
- Lubrication: Non-lube or oil-lubricated operation
The SI40 series features a high-rigidity aluminum alloy tube with wear-resistant coating, optimized for repetitive motion in industrial automation. Its double-acting design provides precise bidirectional force control (max thrust 125N at 0.63MPa). The magnetic piston enables sensor mounting for position feedback.
- Press machine ejection systems
- Automated conveyor gate controls
- Plastic injection molding ejectors
- CNC machine tool clamping
- Packaging machine pusher mechanisms
| Property | Property Value |
|---|---|
| sku | SI40X300S |
| 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 | 300mm |
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.









