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 SI40X670S Standard Cylinder Technical Details
- Model: SI40X670S
- Bore size: 40mm
- Stroke: 670mm
- Operation type: Double-acting
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Mounting style: Basic type (no built-in mounts)
- Port size: M5x0.8 (G1/8 optional)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50-800 mm/s
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated carbon steel (S45C)
- Seals: NBR (standard), optional FKM/Viton
- Weight: 3.8 kg ±2% (without accessories)
- Dimensions:
- Extended length: 1,170mm
- Retracted length: 500mm
- Body width: 58mm
- Height with rod: 78mm
- ISO certification: ISO 6432 compliant
- Protection class: IP65 (rod extended), IP54 (during motion)
High-precision industrial cylinder designed for heavy-duty linear motion applications. Features dual anti-rotation guides (standard on 40mm bore models) and wear-resistant rod bearing for enhanced lateral load capacity. The hard-anodized inner tube surface ensures 1,000km+ service life under normal operating conditions.
- Automotive welding fixture positioning
- Plastic injection molding ejectors
- Palletizing robot end-effectors
- Paper converting machinery
- Die-casting machine core pulls
| Property | Property Value |
|---|---|
| sku | SI40X670S |
| 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 | 670mm |
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.









