Airtac SDAD Double Rod Slim Cylinder SDAD100X85
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD100X85 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø100mm bore, 85mm 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.
- BoreØ100 mm
- Stroke85 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM18×1.5 (F) / M26×1.5 (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 SDAD100X85
The AirTAC SDAD100X85 is a double-acting compact cylinder featuring a 100mm bore and an 85mm stroke. Because the piston rod exits both ends of the riveted body, the annular areas match perfectly, yielding identical push and pull forces of 3524.9 N at 0.5 MPa. This symmetric thrust is highly advantageous when driving heavy loads that require consistent resistance in both directions.
A 32mm diameter through-rod resists twisting during operation, allowing you to mount a work tool on one end and a dog or limit switch on the opposite side. The PT3/8 air port feeds the chamber, while a fixed NBR bumper at each end absorbs end-of-stroke shock. This specific SKU lacks a piston magnet, so it cannot directly host magnetic switches without upgrading to an -S variant.
Airtac SDAD Double Rod Slim Cylinder SDAD100X85 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD100X85 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 85 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 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 (Ø100mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 3525 N |
| 0.7 MPa | 4935 N |
| Max (@1.0 MPa) | 719 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 SDAD100X85
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 100 | Bore size in mm. |
| ×85 | 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 SDAD100X85 Is Used
Symmetric Lift Stations
Drives heavy vertical platens up and down, utilizing the equal 3524.9 N force in both directions to ensure smooth elevation and controlled descent of heavy industrial molds.
Anti-Rotation Guiding
The 32mm through-rod resists twisting forces during high-torque clamping tasks, keeping the workpiece perfectly aligned while operating a secondary mechanism on the opposite end.
Riveted Body Pressing
Fits into compact machinery footprints where axial depth is restricted, providing robust 4934.8 N thrust at 0.7 MPa for pressing bearings into heavy housings.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD100X85 the Right Cylinder?
When sizing this unit, compare its 3524.9 N output at 0.5 MPa against adjacent bores. Dropping down to the SDAD80 provides 2267.8 N, which may be insufficient for heavy jigs, whereas the 100mm bore offers a safe working load of roughly 2115 N (about 60% of the 0.5 MPa figure) and a vertical lift capacity of approximately 179.7 kg with a 2:1 margin. Choose the 100mm bore when your payload demands high symmetric force and anti-rotation stability.
This configuration features female M18x1.5 rod-end threads on both sides and an 85mm stroke within the 130mm standard limit. Remember that a plain cylinder drifts if air pressure drops or the valve centers; the fixed NBR bumper only decelerates near the stroke end and acts as neither a lock nor an adjustable air cushion. For load holding without live pressure, 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 SDAD100X85 FAQ
Because the rod occupies both chambers, the push and pull forces are identical: 3524.9 N at 0.5 MPa, 4934.8 N at 0.7 MPa, and a theoretical maximum of 719 kgf at 1.0 MPa.
Yes, the double-rod design allows you to drive a tool on one side while using the opposite rod end for a dog or external switch. Note that this specific SKU lacks a piston magnet, so internal magnetic switches require the -S variant.
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