Airtac SI40 Standard Cylinder SI40X350N
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 SI40X350N Standard Cylinder Specifications
- Model: SI40X350N
- Bore size: 40mm
- Stroke: 350mm
- Operating pressure: 0.1–0.9 MPa
- Medium temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1), optional flange/clevis mounts
- Rod thread: M16×1.5
- Piston speed: 50–800 mm/s
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel
- Seals: NBR (standard), optional PU/Viton
- Weight: 3.45 kg (dry, without accessories)
- Dimensions:
- Extended length: 649mm
- Retracted length: 299mm
- Body diameter: 50mm
- Mounting hole spacing: 32mm (front), 90mm (rear)
- Protection class: IP65 (standard rod seal)
- Lubrication: Pre-lubricated (recommended relubrication every 1,000km stroke)
A high-performance ISO 6432 compliant cylinder featuring precision honed tubing and triple sealing system. The SI40X350N combines 300,000km design life with ±0.5mm repeat positioning accuracy, using wear-resistant DU bushing for smooth operation. Special shock-absorbing structure reduces end-impact noise by 15dB compared to standard models.
- Plastic injection molding machine ejectors
- Automated palletizing systems
- Paper processing equipment actuators
- Automotive welding fixture positioning
- CNC machine tool clamping mechanisms
Installation tip:
For vertical mounting, reduce maximum load capacity by 30%. Use locknuts (ANR-16)
with 35N·m tightening torque. Lubricate through air port using ISO VG32 pneumatic oil.
| Property | Property Value |
|---|---|
| sku | SI40X350N |
| Seal Material | NBR |
| 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 | 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.