Airtac SDAD Double Rod Slim Cylinder SDAD40X45B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X45B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 45mm 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
- Stroke45 mm
- Port sizePT1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDAD Double Rod Slim Cylinder SDAD40X45B
The AirTAC SDAD40X45B is a double-acting compact 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, giving you exactly 527.8 N of push and pull force at 0.5 MPa. This symmetry is vital when driving loads that must remain balanced in both strokes.
The short body design minimizes axial mounting depth where standard cylinders cannot fit. This specific SKU uses male M14x1.5 threads on both 16 mm rod ends, allowing you to securely mount tooling directly. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock without requiring manual adjustment.
Airtac SDAD Double Rod Slim Cylinder SDAD40X45B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X45B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 45 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 SDAD40X45B
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×45 | 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 SDAD40X45B Is Used
Symmetric Gripper Actuation
Drives an opposing gripper jaw with 527.8 N of balanced force, ensuring the male M14x1.5 rods maintain precise alignment without twisting during the clamping cycle.
Dual-End Transfer Mechanism
Mounts a pusher on one rod end and a tracking dog on the opposite end, leveraging the compact riveted body to save space in tight transfer lines.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X45B the Right Cylinder?
When sizing this unit, consider the neighboring bores. Stepping down, the SDAD32 provides 345.6 N at 0.5 MPa, while stepping up, the SDAD50 yields 824.7 N at 0.5 MPa.
The through-rod geometry prevents twisting during operation and permits driving a tool on one end while mounting a dog on the opposite side. Note that this SKU lacks the S magnet option, so position sensing is not supported. Furthermore, the cylinder will drift if air pressure is lost; for load holding, you must integrate an external rod lock or pilot-operated check valve.
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 SDAD40X45B FAQ
The force is equal in both directions due to the double-rod design. It provides 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 maximum operating pressure is 1.0 MPa.
No, this specific SKU does not include the S magnet option, so it cannot accept reed or electronic switches. You would need the S variant for sensing. The through-rod still allows you to mount a mechanical dog on the opposite end for external tracking.
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