Airtac MDD Multi-position Double Rod Cylinder MDD6X20S
The AirTAC Airtac MDD Multi-position Double Rod Cylinder MDD6X20S is a genuine MD multi-mount cylinder (double rod), 6 mm bore. Its compact square body fixes from six directions and mounts side by side to save space. It delivers about 14.1 N of push force at 0.5 MPa. A bumper cushions the impact.
- TypeMulti-mount, double rod
- SeriesMD (standard)
- Bore6 mm
- Push thrust @0.5 MPa14.1 N
- Operating pressure0.15 - 1.0 MPa (22 - 145 psi)
- Port sizeM5x0.8
- CushionBumper
- MagnetWith magnet (sensor-ready)
- ThreadPT
- 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 MDD Multi-position Double Rod Cylinder MDD6X20S
MDD6X20S is a double-rod, double-acting AirTAC multi-mount cylinder with a compact square body that can be fixed from 6 directions - front, back, left, right, top and bottom - and mounted side by side to save space. The 6 mm bore and 20 mm stroke suit light-duty clamping and positioning in tight fixtures, with an operating pressure of 0.15-1.0 MPa (22-145 psi) and double-acting speed of 30-500 mm/s. Cushioning is a bumper. For this bore the facts-sheet double-acting figures are 14.1 N push and 10.6 N pull at 0.5 MPa; because the MDD carries a rod on both sides, confirm the per-side thrust from the datasheet before sizing.
This is a genuine AirTAC part in the MD family, the standard multi-mount range (the MK family is the no-rotating version, with an anti-rotation plate, brass bushing and fixed rod). Magnetic-switch slots surround the body and the design runs without added lubrication. This SKU is listed with a magnet (S), so switches in the body slots can detect piston position. We confirm dimensions and sizing details from the datasheet on request.
Airtac MDD Multi-position Double Rod Cylinder MDD6X20S Technical Specifications
| Model | Airtac MDD Multi-position Double Rod Cylinder MDD6X20S |
|---|---|
| Type | Multi-mount cylinder, double rod |
| Series | MD (standard) |
| Bore | 6 mm |
| Push thrust @0.5 MPa | 14.1 N |
| Port size | M5x0.8 (PT thread) |
| Magnet | With magnet (S) |
| Fluid | Air, filtered to 40 um |
|---|---|
| Operating pressure | 0.15 - 1.0 MPa (22 - 145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature | -20 to 70 C |
| Speed range | 30 - 500 mm/s |
| Cushion | Bumper |
| Mounting | Fix from 6 directions; mountable side by side |
Specifications follow the official AirTAC MD/MK multi-mount data. The front cover and piston are short, so avoid an over-long stroke. An optional high-temperature seal material extends the range to 0 to 150 C. Overall dimensions vary per stroke and allowable side-load is published as curves — ask us and we confirm from the datasheet.
How to choose
Choose the 6 mm bore where only light force is needed: at 0.5 MPa the facts sheet lists 14.1 N push and 10.6 N pull for double acting. Stay in the MD family when rod rotation is acceptable, or step up to MK when it must be prevented. Acting choices are double acting (MD/MDD/MDJ), single push (MSD), single pull (MTD) and double rod (MDD). This 20 mm stroke sits within the 35 mm maximum for bore 6 double-acting cylinders, but note the short covers - avoid an over-long stroke on a compact body and check longer travel with us. The S in this code adds the magnet for switch detection, and the thread is PT by default (order the G version for G thread); side-load limits come from the datasheet - ask us.
Applications
Small-parts clamp
A push-pull clamp on an electronics fixture: the double rod gives a clamping face on each side of the 6 mm body, and 6-way fixing lets the cylinder bolt straight onto the jig plate.
Gate and stopper
A retractable stopper on a small-parts conveyor: the compact square body mounts side by side along the line, with the magnet confirming the gate is fully retracted before parts pass.
Lift-and-lower ejection
Raising small workpieces up to a pick point on a rotary indexing table, where the 20 mm stroke, bumper cushioning and low-profile body fit under the tooling plate.
FAQ
Why choose the double-rod MDD6X20S over a standard MD cylinder?
The MDD double-rod construction gives a working rod on both ends of the piston, so one cylinder can clamp, push or signal on either side without adding a second cylinder. It is still double acting, with the bumper cushion and the same compact multi-mount square body that fixes from 6 directions.
What is the thrust of this 6 mm bore, and how long can the stroke be?
For 6 mm double-acting bores the facts sheet lists 14.1 N push and 10.6 N pull at 0.5 MPa; with a rod on both sides of the MDD, confirm the per-side thrust from the datasheet. Bore 6 double-acting cylinders are offered up to a 35 mm stroke, and because the covers are short, an over-long stroke should be avoided - check longer travel with us.