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 SI40BX350 Standard Cylinder Specifications
- Model: SI40BX350
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40 mm (±0.1mm manufacturing tolerance)
- Stroke: 350 mm (adjustable cushioning ±5mm)
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Air cushion adjustable at both ends
- Mounting style: Basic (axial mounting with front flange)
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Piston material: Anodized aluminum alloy
- Rod material: Chrome-plated steel (Cr layer ≥5μm)
- Seal type: NBR rubber (FDA compliant version available)
- Weight: 1.85 kg (±3% tolerance)
- Dimensions:
- Length: 499 mm (full extended length)
- Body diameter: Φ40 mm
- Mounting flange width: 54 mm
- Rod thread: M10x1.25 (external)
High-precision industrial cylinder featuring wear-resistant construction and smooth linear motion. The chrome-plated piston rod undergoes multi-stage polishing (Ra ≤0.2μm) for exceptional corrosion resistance. Incorporates a unique "air saver" design that reduces compressed air consumption by 12-15% compared to standard models. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Automated assembly line positioning systems
- Plastic injection molding machine ejectors
- CNC machine tool clamping mechanisms
- Food processing conveyor gate actuators
- Pharmaceutical packaging equipment
| Property | Property Value |
|---|---|
| sku | SI40BX350 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 350mm |
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.









