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 SI40X125SN Standard Cylinder Specifications
- Model: SI40X125SN
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40mm
- Stroke: 125mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/8 (M5 optional)
- Piston rod diameter: 16mm
- Rod thread: M10×1.25
- Material: Aluminum alloy barrel, chromium-plated piston rod
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Max speed: 500–800 mm/s (with cushioning)
- Weight: 2.3 kg ±5%
- Dimensions (L×W×H): 205mm × 40mm × 40mm (retracted length)
- Mounting options: Basic front/rear flange, foot mounting
- Position detection: Built-in magnet compatible with magnetic sensors
A high-precision industrial cylinder featuring corrosion-resistant anodized surfaces and dual anti-rotation guides for stable linear motion. The integrated buffer adjustment screws allow precise deceleration control, while the 4-stage sealing system ensures ≤0.5 N/min air leakage. Designed for 5000km service life under standard conditions.
- Automated assembly line clamping mechanisms
- Plastic injection molding machine ejectors
- CNC machine tool door actuators
- Packaging machine pusher systems
- Automotive welding fixture positioning
- Thrust force (@0.6MPa): 706N (extend), 634N (retract)
- Max lateral load: 110N at mid-stroke
- Re-pressurization response time: ≤0.15s
- Ambient humidity: 35-95% RH (non-condensing)
| Property | Property Value |
|---|---|
| sku | SI40X125SN |
| 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 | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 125mm |
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.









