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 SI40BX185 Standard Cylinder Specifications
- Model: SI40BX185
- Series: ISO 6432 Standard Series
- Bore size: 40 mm
- Stroke: 185 mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting type: Basic (standard) with optional foot/mounting accessories
- Port size: M5x0.8 (G1/8 adapter available)
- Piston rod thread: M10x1.25
- Seal material: NBR (Nitrile rubber), optional FKM
- Protection rating: IP65 (standard wiper design)
- Weight: 1.28 kg (excluding accessories)
- Dimensions (L×W×H):
- Extended length: 319 mm
- Retracted length: 134 mm
- Body width: 50 mm
- Mounting height: 40 mm
A high-precision ISO-standard pneumatic cylinder featuring double-acting operation with corrosion-resistant aluminum alloy construction. The SI40BX185 excels in high-cycle applications with its smooth cushioning adjustment and reinforced rod bearing design. Requires ISO VG32 hydraulic oil lubrication if used in high-speed (>500 mm/s) applications.
- Factory automation: Material handling arms
- Packaging machinery: Clamping/pressing mechanisms
- Semiconductor equipment: Precision positioning stages
- Automotive: Welding fixture actuators
- Food processing: Sanitary-rated conveyor systems (with FKM seals)
| Property | Property Value |
|---|---|
| sku | SI40BX185 |
| 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 | 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.









