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 SI40AX25SN Standard Cylinder Specifications
- Model: SI40AX25SN
- Type: ISO 6432 standard double-acting cylinder with magnetic piston
- Bore size: 25mm (±0.13mm tolerance)
- Stroke range: 25-500mm (customizable)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable elastic cushion (both ends)
- Piston speed: 50-800mm/s
- Ambient temperature: -20℃ to 80℃
- Port size: M5x0.8 (standard), G1/8 optional
- Rod thread: M6x1.0 (external)
- Mounting type: Basic (AX series) with NAMUR mounting pattern
- Seal material: NBR (Nitrile) with integrated wear ring
- Magnetic sensor compatibility: DC 3-30V (requires separate sensor purchase)
- Weight: 0.35kg (base model with 25mm stroke)
- Dimensions (L×W×H):
- Body diameter: 40mm
- Stroke length tolerance: ±1.5mm
- Total length: 125mm (25mm stroke) + stroke adjustment
- Rod end thread length: 12mm
- Protection rating: IP65 (standard wipers)
- Lubrication: Pre-lubricated (Grease-free operation possible)
High-precision industrial cylinder featuring chrome-plated piston rod (HCF hardness ≥700HV) and anodized aluminum barrel. Designed for high cycle rates (up to 5 million cycles at rated load) with minimal stick-slip effect. Includes built-in magnet for position feedback when used with compatible sensors.
- Pick-and-place automation in SMT equipment
- Clamping mechanisms in CNC fixtures
- Material handling systems with position feedback requirements
- Pharmaceutical packaging line actuators
- Cleanroom compatible when using optional stainless steel version
- Thrust (extending): 29.4kgf
- Pull force (retracting): 26.5kgf
- Maximum permissible kinetic energy: 0.15J
| Property | Property Value |
|---|---|
| sku | SI40AX25SN |
| Seal Material | NBR |
| 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 | <25 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.









