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 SI40X155SN Standard Cylinder Specifications
- Model: SI40X155SN
- Type: ISO 6432 standard single-acting spring return cylinder
- Bore size: 40 mm (1-9/16")
- Stroke: 155 mm (6.10") ±0.5mm tolerance
- Operating pressure: 0.1-0.9 MPa (14.5-130.5 PSI)
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod material: Chrome-plated steel rod (Cr-Mo steel base)
- Tube material: Anodized aluminum alloy (AL6063-T5)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Ambient temperature: -20℃ to 80℃ (-4°F to 176°F)
- Weight: 1.23 kg (2.71 lbs) ±3%
- Dimensions: 215mm(L) × 56mm(W) × 56mm(H)
- Mounting style: SN series - Front flange with threaded mounting holes (M5×0.8)
- Rod end type: Female thread M10×1.25 (NFPT optional)
- Built-in magnet: Yes (for magnetic sensor attachment)
- IP rating: IP54 (standard dust/water protection)
A high-precision industrial cylinder with exceptional alignment stability, featuring dual anti-rotation guide rods and low-friction seals. The chrome-plated piston rod undergoes multi-stage polishing (Ra≤0.2μm) for smooth operation. Includes built-in air bleeding function for rapid pressure release during maintenance.
- Automated assembly line clamping mechanisms
- Printing press paper feed systems
- CNC machine tool positioning devices
- Plastic injection molding ejectors
- Packaging machine vertical lift systems
| Property | Property Value |
|---|---|
| sku | SI40X155SN |
| 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 | 155mm |
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.









