Airtac SI40 Standard Cylinder SI40AX275
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 SI40AX275 Standard Cylinder Specifications
- Model: SI40AX275
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40 mm (±0.08mm machining tolerance)
- Stroke: 275 mm (adjustable stroke version available as SI40AXR275)
- Operating pressure: 0.1–0.9 MPa (1–9 bar)
- Cushioning type: Adjustable rubber buffer with impact absorber
- Piston rod thread: M10×1.25 external thread (ISO 12240-2 standard)
- Port size: G1/8 (M5×0.8 optional)
- Operating temperature: -20℃ to +80℃
- Seal material: Heat-resistant NBR (Nitrile Butadiene Rubber)
- Mounting type: Basic type (Standard mounting accessories sold separately)
- Protection rating: IP40 (Dust protected)
- Weight: 2.63 kg (excluding mounting accessories)
- Dimensions:
- Total length: 435 mm (including end caps)
- Body diameter: 50 mm (hexagonal cross-section)
- Rod end height: 50 mm (from centerline to mounting surface)
A high-precision industrial cylinder featuring chromium-plated piston rod (Rockwell HRC 35-45 hardness) and aluminum alloy barrel with oxidation-resistant coating. Designed for repetitive linear motion tasks requiring medium thrust forces (max 565N at 0.63MPa). Includes magnetic piston for position sensing compatibility. Lubricator-free design with self-lubricating guide rings.
- Automated assembly line clamping mechanisms
- Plastic injection molding machine ejectors
- Conveyor sorting gate actuators
- Textile machinery tension control systems
- Automotive welding fixture positioning
Installation guidelines:
Maintain 0.05-0.1mm clearance between rod end and load connection.
Use M6 class 8.8 or higher mounting bolts with anti-vibration washers.
For vertical mounting, install air vent at upper port. Lubricate with ISO VG32 hydraulic oil if used below -10℃.
| Property | Property Value |
|---|---|
| sku | SI40AX275 |
| 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 | SUS420J2 |
| Magnet | Non-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.