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 SI40BX185S Standard Cylinder Technical Details
- Model: SI40BX185S
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40mm (±0.1mm tolerance)
- Stroke: 185mm (adjustable with cushion screws)
- Operating pressure: 0.15–0.9 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Piston speed: 50–800 mm/s (lubricated condition)
- Mounting type: Basic MF1 (standard foot mount)
- Port thread: G1/8 (BSPP)
- Rod end thread: M16×1.5
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Body material: Anodized aluminum alloy (6063-T5)
- Magnet type: Built-in SmCo magnet (operates with D-M9N series sensors)
- Weight: 1.53kg (excluding accessories)
- Dimensions: 305mm(L) × 52mm(W) × 52mm(H) (fully retracted)
- ISO standard: 6432 (8mm rod diameter series)
- Protection rating: IP54 (standard), IP67 optional
High-precision industrial cylinder featuring low friction design with self-lubricating guide bushings. The chrome-plated piston rod (hardness HRC 45-50) ensures corrosion resistance in humid environments. Requires ISO 8573-1:2010 Class 3-4-3 compressed air (40μm filtration recommended). Optional auto-switch mounting grooves simplify sensor integration.
- Automated production line material handling
- Textile machinery clamping systems
- Semiconductor wafer transfer mechanisms
- Plastic injection molding ejectors
- Automotive part positioning fixtures
| Property | Property Value |
|---|---|
| sku | SI40BX185S |
| 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 | SUS304 |
| Magnet | S-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.









