2、Features riveted connection between cylinder body/rear cap and piston/piston rod for enhanced structural integrity;
3、Precision roller burnishing followed by hard anodizing treatment on inner bore surface ensures superior wear resistance and durability;
4、Unique custom bi-directional sealing profile with integrated oil reservoir optimizes compactness and lubrication retention;
5、Space-saving design minimizes installation footprint while maintaining performance;
6、Integrated sensor grooves along cylinder periphery facilitate effortless sensor mounting;
7、Available in multiple mounting configurations for flexible system integration.
Category: Slim Cylinders , Brand: AirTAC , Series: SDAJ32~40 Adjustable Ultra-Compact Cylinders
AirTAC SDAJ40X85-20B Adjustable Compact Cylinder Specifications
- Series: SDAJ32~40 Ultra-Slim Line
- Model Decoding: SDAJ40X85-20B
- 40: Bore size (mm)
- 85: Stroke length (mm)
- 20: Foot-mounted style
- B: Cushion adjustment type
- Bore diameter: 40mm ±0.1mm
- Stroke: 85mm (adjustable via built-in stroke limiter)
- Operating pressure: 0.15–0.8 MPa
- Ambient temperature: -20℃ to 80℃
- Cushioning: Adjustable air cushion (both ends)
- Mounting: Standard foot mount (ISO 15552 compatible)
- Material:
- Tube: Aluminum alloy with hard anodizing
- Piston rod: Stainless steel (SUS304)
- End caps: Die-cast aluminum
- Seals: NBR standard (optionally available with FKM)
- Weight: 1.25kg ±3% (without accessories)
- Dimensions:
- Total length: 205mm (stroke 85mm + end caps)
- Body width: 52mm
- Height (foot mount base): 86mm
- Mounting hole spacing: 60mm × 30mm
- Air connection: M5 × 0.8 (G1/8 adaptor included)
- Piston speed: 50–800mm/s (optimal at 200–500mm/s)
- ISO standard: 6432 compliant
Ultra-low profile cylinder with space-saving 24mm body height, featuring dual adjustable cushioning for precision motion control. The anodized aluminum construction ensures corrosion resistance, while the chrome-plated piston rod provides smooth operation. Integrated mounting slots allow tool-free position adjustment in automated systems.
- PCB handling robots in electronics manufacturing
- Vertical lift mechanisms in packaging lines
- Clamping fixtures for CNC machine tools
- Medical device actuation systems
- Solar panel positioning mechanisms
- Magnetic version available (adds 3mm to height)
- Rod-end accessories: Clevis, rod eye, or flange options
- Custom stroke lengths: 10–300mm (special order)
| Property | Property Value |
|---|---|
| sku | SDAJ40X85-20B |
| Adjustable Stroke | <20mm> |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT1/8 |
| Piston Rod Thread Type | External Thread |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 85mm |
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.











