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 SI40X185 Standard Cylinder Specifications
- Model: SI40X185
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: 40mm (1.575")
- Stroke: 185mm (7.28")
- Operating pressure: 0.05–1.0 MPa (7–145 psi)
- Cushioning type: Adjustable air cushion (both ends)
- Port size: M5x0.8 (G1/8 optional)
- Mounting style: Basic type (MF1) with optional accessories
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile) with wear-resistant ring
- Ambient temperature: -20℃ to 80℃ (-4°F to 176°F)
- Max speed: 500–800 mm/s (with cushioning)
- Protection rating: IP54 (standard), IP67 (optional)
- Weight: 1.85 kg (4.08 lbs)
- Dimensions:
- Extended length: 372mm (14.65")
- Retracted length: 187mm (7.36")
- Body width: 50mm (1.97")
- Mounting height: 40mm (1.575")
A high-performance compact cylinder featuring precision-machined components and double-seal structure for leak prevention. The SI40X185 combines rapid response (≤0.3s actuation time) with 500km+ service life under standard conditions. Includes magnetic piston for sensor compatibility and 3-position mounting slots for flexible integration.
- High-speed packaging machine ejectors
- CNC machine tool clamping mechanisms
- Automated conveyor gate controls
- Textile machinery tensioning systems
- Food processing line actuators (NSF-H1 grease option available)
| Property | Property Value |
|---|---|
| sku | SI40X185 |
| 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 | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 185mm |
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.









