Airtac SI40 Standard Cylinder SI40X1250S
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 SI40X1250S Standard Cylinder Specifications
- Model: SI40X1250S
- Bore size: 40 mm
- Stroke: 1250 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Operating temperature: -20℃ to 80℃
- Port size: Rc1/8 (G1/8 optional)
- Mounting type: Basic (MF1) with optional foot/axis mounts
- Piston rod material: Chrome-plated carbon steel (S45C)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 8.7 kg ±3% (bare cylinder without accessories)
- Dimensions:
- Extended length: 1446 mm
- Retracted length: 196 mm
- Width (mounting face): 50 mm
- Height (including rod): 62 mm
- ISO standard: 6432 compliant
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-precision long-stroke pneumatic cylinder designed for heavy-duty industrial applications. Features double-acting operation with corrosion-resistant construction and wear-resistant piston guides. The 1250mm stroke version requires careful alignment and optional guide supports for stability. Maximum theoretical thrust: 1256N at 1.0MPa (extend), 1130N (retract).
- Automated material handling systems
- Paper/converting machinery
- Automotive assembly line positioning
- Large-format printing equipment
- Packaging machine ejection systems
- Foundry equipment actuators
Installation note:
For strokes exceeding 1000mm, mandatory use of external guides (AGM40 series recommended).
Maintain 0.5-1mm/kg alignment tolerance. Lubricate rod weekly in high-cycle applications (>500,000 cycles/year).
| Property | Property Value |
|---|---|
| sku | SI40X1250S |
| 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 | 1250 mm |
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.