Airtac SI40 Standard Cylinder SI40AX275S
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 SI40AX275S Standard Cylinder Specifications
- Model: SI40AX275S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 40 mm
- Stroke: 275 mm (adjustable cushion range: 15-25mm)
- Operating pressure: 0.15–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Front flange (A-type) + rear foot mounting (AX variant)
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod thread: M16×1.5
- Material: Aluminum alloy barrel, chrome-plated steel rod
- Seal material: NBR (Nitrile) standard / optional FKM (Viton)
- Weight: 2.5 kg ±3% (without accessories)
- Dimensions (L×W×H):
- Retracted length: 411 mm
- Extended length: 686 mm
- Body width: 48 mm
- Mounting height: 56 mm
- Max theoretical force: 126 N @ 0.6 MPa
- Piston speed: 50–800 mm/s
- Protection rating: IP65 (wipers included)
The SI40AX275S combines high precision and durability for industrial automation. Features corrosion-resistant construction with precision honed tube and dual cushioning adjustment screws. Optional magnetic piston (add "-M" suffix) for position sensing. Compatible with ISO 15552 mounting accessories.
- Packaging line actuation systems
- Automated assembly station pushers
- CNC machine tool clamping
- Material handling transfer units
- Printing press paper feed mechanisms
Installation note:
Lubricate rod with ISO VG32 hydraulic oil before initial use. Avoid side-load forces exceeding 15% of max thrust.
For vertical mounting, use counterbalance valves. Cushion adjustment requires 5 full test cycles for optimization.
| Property | Property Value |
|---|---|
| sku | SI40AX275S |
| 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 | 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.