Airtac SI40 Standard Cylinder SI40BX275S
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 SI40BX275S Standard Cylinder Specifications
- Model: SI40BX275S
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 275mm (±1.5mm tolerance)
- Operating pressure: 0.15–1.0 MPa (22–145 psi)
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (MF1) with foot mounting holes
- Port size: Rc1/4 (G1/4 optional)
- Piston speed: 50–800 mm/s (optimal at 500 mm/s)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Material: Aluminum alloy barrel, chromium-plated piston rod
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP54 (standard wiper design)
- Weight: 1.85kg (4.08 lbs) ±3%
- Dimensions:
- Barrel diameter: 50mm
- Extended length: 345mm (piston rod fully extended)
- Retracted length: 70mm + stroke
- Mounting base: 100mm × 40mm
High-rigidity ISO cylinder with double-acting operation, featuring wear-resistant chromium plating and corrosion-resistant anodized surfaces. The SI40 series incorporates a unique buffer adjustment mechanism that reduces end-impact noise by 15dB compared to standard models. Requires ISO VG32 hydraulic oil mist lubrication (optional oil-free operation available).
- Automated packaging line pusher mechanisms
- CNC machine tool clamping devices
- Automotive welding fixture positioning
- Plastic injection molding ejector systems
- Pharmaceutical blister packaging machines
Installation recommendation:
Maintain 0.05–0.2mm alignment tolerance during mounting. For vertical installations exceeding 45° angle,
use optional guide brackets (AGM-40 accessory). Lubricate through air port weekly in high-cycle applications (>500 cycles/hour).
| Property | Property Value |
|---|---|
| sku | SI40BX275S |
| 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 | 275mm |
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.