Airtac MDD Multi-position Double Rod Cylinder MDD20X5S
The AirTAC Airtac MDD Multi-position Double Rod Cylinder MDD20X5S is a genuine MD multi-mount cylinder (double rod), 20 mm bore. Its compact square body fixes from six directions and mounts side by side to save space. It delivers about 157.1 N of push force at 0.5 MPa. A bumper cushions the impact.
- TypeMulti-mount, double rod
- SeriesMD (standard)
- Bore20 mm
- Push thrust @0.5 MPa157.1 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 MDD20X5S
The AirTAC MD multi-mount family is a compact square-body cylinder that fixes from six directions - front, back, left, right, top and bottom - so units can be mounted side by side to save space, with magnetic-switch slots machined around the body and high guide precision without added lubricant. This MDD20X5S is the double-rod, double-acting variant: the rod leaves both covers, so the 20 mm bore can drive a load from either end over its 5 mm stroke, cushioned by a TPU bumper. Because both faces are rod sides, the theoretical rod-side thrust is about 131.9 N at 0.5 MPa, with an operating pressure of 0.15-1.0 MPa (22-145 psi) and speeds of 30-500 mm/s.
This is a genuine AirTAC part from the standard MD family - a double-rod variant, not the no-rotating MK type. The trailing S in the code means the magnet is fitted; a code without S would come without one. It runs on air filtered to 40 um between -20 and 70 C, with an M5x0.8 port and PT thread. We confirm dimensions and sizing details from the datasheet on request.
Airtac MDD Multi-position Double Rod Cylinder MDD20X5S Technical Specifications
| Model | Airtac MDD Multi-position Double Rod Cylinder MDD20X5S |
|---|---|
| Type | Multi-mount cylinder, double rod |
| Series | MD (standard) |
| Bore | 20 mm |
| Push thrust @0.5 MPa | 157.1 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
Pick bore 20 when the rod-side thrust of about 131.9 N at 0.5 MPa is enough for the load; step up a bore size if you need more force. Stay in the MD family when rod rotation is acceptable, and choose the MK family when the rod must not turn. This MDD double-rod, double-acting variant gives a working face at each cover and is air driven in both directions at 30-500 mm/s. Strokes for bore 20 run up to 60 mm, but the short covers make an over-long stroke wasteful of space, so size the stroke to the job - this 5 mm unit suits short, precise moves. The trailing S orders the magnet; drop the S for no magnet. The thread here is PT; G can be specified instead. Confirm side-load limits from the datasheet.
Applications
Hold-down clamp
Fix the cylinder to a fixture from whichever of the six faces is free and use one rod end to hold a small part down during an assembly or test step, with the bumper softening contact.
Jig positioning
Bolt units side by side along a jig so one double rod locates the workpiece while the opposite rod end pushes the next stop into place, all through the same mounting pattern.
Lift or eject pin
Mount the body under a plate or die and use the short 5 mm stroke to raise a pin, kick a finished part clear, or confirm part presence at a station.
FAQ
What does the code MDD20X5S decode to?
MDD is the double-rod, double-acting variant of the AirTAC MD multi-mount family, 20 is the bore in mm, 5 is the stroke in mm, the trailing S means the magnet is fitted, and with no trailing G the port thread is PT.
How does six-direction mounting help on a machine?
The square body can be fixed from the front, back, left, right, top or bottom, so you can pick the face that clears surrounding parts and line several cylinders up side by side to save space. Overall dimensions vary with stroke, so confirm them from the datasheet.