Airtac SI40 Standard Cylinder SI40X638S
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 SI40X638S Standard Cylinder Specifications
- Model: SI40X638S
- Bore size: 40 mm
- Stroke: 638 mm (extended stroke design)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Temperature range: -20℃ to 80℃
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod thread: M16×1.5
- Mounting type: Square base with front flange (ISO 15552 standard)
- Cylinder tube material: Hard anodized aluminum alloy
- Rod material: Stainless steel (SUS304)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Protection rating: IP67 (wipers included)
- Weight: 2.85 kg (excluding accessories)
- Dimensions: 738mm(L) × 62mm(W) × 62mm(H) (stroke-dependent length)
- Repeat accuracy: ±0.5 mm
- Max theoretical force: 502 N @0.6 MPa
High-precision long-stroke cylinder with corrosion-resistant construction, designed for heavy-duty industrial applications. Features double-acting operation with magnetic piston for position sensing compatibility. Optimized for smooth movement in full-extension scenarios with anti-rotation mechanism.
- Automated palletizing systems
- Injection molding machine ejectors
- Automotive assembly line positioning
- Textile machinery tension control
- Solar panel cleaning equipment
Installation note:
Ensure proper alignment with guided rail systems for strokes >500mm.
Lubricate through air supply (ISO VG32 recommended) if used in dry conditions.
Allow 20mm clearance at both ends for cushion adjustment.
| Property | Property Value |
|---|---|
| sku | SI40X638S |
| 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 | 638mm |
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.