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 SI40X300STC Standard Cylinder Specifications
- Model: SI40X300STC
- Bore size: 40mm (1.575")
- Stroke: 300mm (11.81")
- Mounting type: Standard foot (MF1) with through-hole design
- Operating pressure: 0.15–0.8 MPa (21.7–116 PSI)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: Heat-resistant NBR (Nitrile rubber)
- Ambient temperature: -20℃ to 80℃ (-4℉ to 176℉)
- Port size: G1/8 (ISO228 standard)
- Protection rating: IP65 (dust-tight & water jet resistant)
- Weight: 2.7kg (5.95 lbs)
- Dimensions:
- Total length: 406mm (16.0")
- Body diameter: 50mm (1.97")
- Foot mounting base: 62mm × 32mm (2.44" × 1.26")
- Rod end thread: M12×1.25
Industrial-grade pneumatic cylinder featuring triple sealing technology for leak prevention. The double-acting design provides precise linear motion control with 0.1mm positioning repeatability. Tungsten-treated piston rod surface enhances wear resistance in high-cycle applications (up to 2,000 cycles/hour). Includes magnetic piston for sensor compatibility.
- Automated assembly line clamping mechanisms
- Plastic injection molding machine ejectors
- CNC machine tool chip conveyors
- Automotive welding fixture positioning
- Food processing packaging actuators
| Property | Property Value |
|---|---|
| sku | SI40X300STC |
| 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.









