Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 90mm stroke). The through-rod resists twisting and lets you drive a tool on one end while a switch or dog reads position on the other — with identical force in both directions.
- BoreØ40 mm
- Stroke90 mm
- Port sizePT1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB
The AirTAC SDAD40X90SB is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, yielding equal push and pull forces of 527.8 N at 0.5 MPa. This symmetry is highly advantageous for loads requiring consistent kinetic behavior in both travel directions.
Equipped with a built-in magnet (-S) for AirTAC reed or electronic switches and male-thread (-B) M14x1.5 rods on both ends, it simplifies dual-end tool mounting. The short body design saves axial mounting depth where larger profile cylinders cannot fit. End-of-stroke energy is managed solely by a fixed NBR bumper, which decelerates the piston but is not an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 90 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Because a rod occupies both cylinder chambers, the effective area — and therefore the force — is identical in both directions. Specifications follow the official AirTAC SDAD datasheet.
Theoretical Output Force (Ø40mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
Force uses the annular (rod-side) area on both strokes, so extend and retract match. Actual usable force is lower than theoretical due to friction. Size with a safety margin.
Model Code: Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×90 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rods (omit = female thread). |
Thread: PT standard. Related SDA-family variants: SDA (single rod), SSA/STA (single acting), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB Is Used
Symmetric Gauging Station
Utilizes the equal 527.8 N force to clamp components securely on both extend and retract strokes, ensuring precise dimensional measurement without deflection.
Dual-End Transfer Mechanism
Exploits the male M14x1.5 threads on both ends to push a part forward while simultaneously pulling a secondary fixture, doubling throughput in tight spaces.
Anti-Rotation Grinding Jig
Leverages the through-rod to prevent twisting during high-torque abrasive operations, maintaining rigid alignment across the 90 mm travel.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB the Right Cylinder?
When sizing this 40 mm bore actuator, compare its 527.8 N output at 0.5 MPa against adjacent models. Stepping down, the SDAD32 provides 345.6 N, while stepping up to the SDAD50 yields 824.7 N. This makes the SDAD40X90SB a strong middle ground, offering a safe working load of roughly 317 N (about 60 percent of the 0.5 MPa rating) and a vertical lift capacity of approximately 26.9 kg with a 2:1 safety margin.
The through-rod geometry inherently resists twisting, allowing precise dual-end operations like driving a tool on one side while triggering a switch on the other. Note that a plain cylinder drifts when air is lost or the valve is centered; use an external rod lock or pilot-operated check valve for load holding. This configuration includes the PT1/8 port, 90 mm stroke, piston magnet, and male M14x1.5 rod threads.
Quick checklist
- ✓ Need equal force both directions?
- ✓ Anti-rotation / dual-end mounting?
- ✓ Space for a rod that exits both ends
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Leave clearance for the rod exiting both ends.
- check Avoid side load on either rod end.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB FAQ
The double-rod design provides equal force in both directions: 527.8 N at 0.5 MPa, 738.9 N at 0.7 MPa, and a theoretical maximum of 108 kgf at 1.0 MPa. The operating pressure range is 0.15 to 1.0 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke near the end points; it does not act as a brake. For load holding, you must install an external rod lock or a pilot-operated check valve.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SDAD Cylinders
Request a Quote for Airtac SDAD Double Rod Slim Cylinder SDAD40X90SB
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.