Airtac SI40 Standard Cylinder SI40BX275
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 SI40BX275 Standard Cylinder Specifications
- Model: SI40BX275
- Bore size: 40mm
- Stroke: 275mm
- Operation type: Double-acting with magnetic piston
- Working pressure: 0.1–0.9 MPa
- Cushioning: Adjustable air cushion (both ends)
- Mounting style: Basic (MF1) - Foot mounting standard
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod material: Hard chrome-plated steel
- Tube material: Aluminum alloy (anodized)
- Seal material: NBR (Nitrile rubber)
- Ambient temperature: -20℃ to 80℃
- Weight: 2.5kg (without accessories)
- Dimensions: 375mm(L) × 50mm(W) × 50mm(H)
- Rod thread: M10×1.25 (male)
- Protection rating: IP65 (with wiper seal)
- Max theoretical thrust: 1134N @0.7MPa
High-precision ISO cylinder optimized for industrial automation, featuring dual cushion adjustment and built-in magnet for position sensing. The aluminum construction ensures corrosion resistance while maintaining structural rigidity. Includes wear-resistant guide bands for smooth operation up to 1.5m/s piston speed.
- Palletizing robot arm actuators
- Plastic injection molding ejectors
- CNC machine tool clamping systems
- Automotive assembly line positioning
- Food processing conveyor gate controls
Installation note:
Maintain 0.5mm minimum clearance between magnetic switch and cylinder body.
Lubricate through air port using ISO VG32 hydraulic oil for initial operation.
For vertical mounting, install with rod end downward to prevent seal wear.
| Property | Property Value |
|---|---|
| sku | SI40BX275 |
| 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 | 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.