Airtac SI40 Standard Cylinder SI40BX50S
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 SI40BX50S Standard Cylinder Specifications
- Model: SI40BX50S
- Type: ISO 6432 compliant single-acting/double-acting pneumatic cylinder
- Bore size: 40 mm
- Stroke: 50 mm (customizable 25-500 mm)
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Cushioning type: Adjustable pneumatic cushion at both ends
- Mounting style: Standard front flange (MF1), optional rear clevis (MP4) or foot mounting (MA)
- Port size: G1/8 (ISO 228-1 standard)
- Piston rod thread: M12×1.25 external thread (ISO 13351)
- Seal material: NBR (Nitrile) standard, optional FKM (Viton) for high temp
- Lubrication: Pre-lubricated (DOP-free), maintenance-free operation
- Protection rating: IP65 (dust-tight & water jet resistant)
- Max piston speed: 500 mm/s (with cushioning)
- Weight: 1.8 kg (with standard accessories)
- Dimensions:
- Extended length: 158 mm (stroke 50 + 108mm body)
- Retracted length: 108 mm
- Flange spacing: 50 mm (M5 mounting holes)
- Rod end height: 25 mm from centerline
A versatile ISO-standard pneumatic cylinder with dual cushion control and multiple mounting options. Features hard-anodized aluminum barrel (Ra 0.4μm finish) and chrome-plated piston rod (HRC 45-50 hardness). Designed for 500,000+ cycle life under rated pressure. Requires 40μm filtered compressed air with ≤5% relative humidity.
- Automated assembly line part positioning
- Material handling clamp actuators
- Packaging machine ejection systems
- Textile machinery tension control
- Automotive fixture locking mechanisms
Installation note:
Align cylinder axis within 0.2mm parallel tolerance. Use flexible couplings when connecting to guided mechanisms. For vertical mounting, install speed controller on lower port to prevent piston slam.
| Property | Property Value |
|---|---|
| sku | SI40BX50S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <50mm> |
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.