Airtac SI40 Standard Cylinder SI40BX350S
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 SI40BX350S Standard Cylinder Specifications
- Model: SI40BX350S
- Bore size: 40mm
- Stroke: 350mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (axial foot & front flange)
- Port size: M5x0.8 (G1/8 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel (SUS304 rod optional)
- Seals: NBR/PU (FDA compliant options available)
- Weight: 2.65 kg (dry, without accessories)
- Dimensions:
- Extended length: 615mm (stroke 350 + 265 base)
- Retracted length: 265mm
- Width (mounting foot): 62mm
- Height (cylinder diameter): 52mm
- Protection class: IP65 (standard seals)
- Magnetic switch compatibility: Yes (slot mounting)
A high-rigidity ISO cylinder with optimized air consumption, featuring double piston seals for bidirectional load stability. The precision-machined tube ensures ≤0.5mm/1000mm straightness tolerance. Includes wear-resistant guide rings and anti-rotation piston rod for precise linear motion. Requires 5μm filtered lubricated air (ISO 8573-1 class 3).
- Automated assembly line positioning systems
- Plastic injection molding machine ejectors
- Textile machinery tension control
- Automotive welding fixture actuators
- Food processing conveyor gate controls
Installation note:
Lubricate through air supply (ISO VG32 turbine oil recommended) during initial operation.
Allow 20mm clearance for stroke tolerance. Magnetic sensors require separate brackets (ASN04 series compatible).
Relubrication interval: 3 months under normal operation.
| Property | Property Value |
|---|---|
| sku | SI40BX350S |
| 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 | 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.