Airtac M5D Short Handle Type Mechanical Valve M5D21006
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5D Short Handle Type Mechanical Valve M5D21006 is a genuine 5/2-way short handle type control valve. A short hand lever where panel depth is limited. It is an external control, direct-acting valve - the spool is moved mechanically, so there is nothing to wire and no pilot line to plumb. Ports are PT1/8 with a 9.0 mm2 (Cv 0.50) effective area.
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Specifications
| Model | M5D21006 |
|---|---|
| Valve type | 5/2 way, external control, direct acting |
| Actuation | Short handle type |
| Reset | Automatic (spring) restoration |
| Body series | 200 Series, single control |
| Port size | PT1/8 |
| Effective area | 9.0 mm2 (Cv 0.50) |
| Fluid | Air, filtered by a 40 um element |
|---|---|
| Pressure range | 0 - 1.0 MPa (0 - 145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature | -20 to +70 C |
| Body material | Aluminium alloy |
| Lubrication | Not required |
| Thread standard | PT (Rc tapered) |
| Spool stroke | 2.0-3.0 mm |
| Actuator stroke | 5.5-8.0 mm at the handle |
Sliding-column (spool) construction, so operating force is not affected by working pressure - there is no back-pressure effect. Lubrication is not required, but once the valve has been run on lubricated air it must stay on lubricated air; AirTAC suggests ISO VG32 or equivalent. The short handle type control set is METAL, which gives a longer service life than the engineering-plastic heads. The exhaust outlet sits on top of the body, so a silencer fits directly.
About the M5D21006
The AirTAC M5D21006 is a 5/2 way external control, direct acting valve that is thrown by hand - a short lever, not a coil. There is no solenoid, no pilot port and no wiring anywhere on this body, so it works on machines and benches where electricity is absent, unwanted or simply not allowed. Push the short handle one way and the valve changes over; let go and an internal spring snaps it back to its original position automatically.
This is the 200 Series single control body with 1/8 inch PT threads and a 9.0 mm2 effective orifice (Cv 0.50), suited to cylinders in the small-to-medium range. The sliding-column spool construction means the force needed to switch is not affected by working pressure - there is no back-pressure effect, so the lever feels the same at 0.2 MPa as it does at 1.0 MPa. The metal control set gives a long, stable service life, the exhaust outlet sits on top of the body so a silencer screws straight on, and the valve can be body mounted or panel mounted.
Typical applications
Bench drill fixture clamping
An operator flips the short lever to swing a clamp over a workpiece on a bench drilling fixture. Because the valve is spring return, releasing the lever automatically vents the clamp cylinder and drops the clamp clear for the next part.
Laboratory test bench cylinder cycling
On a pneumatics training bench or a small test rig, the lecturer or technician strokes a demonstration cylinder back and forth by hand. The lever feels identical across the whole 0-1.0 MPa range because the sliding-column spool removes back-pressure from the switching force.
Packaging table glue roller lift
A short lever on the front rail of a small packaging table raises and lowers a glue applicator roller. The panel is shallow, so the D handle clears the guard, and the top-mounted exhaust takes a silencer without extra plumbing.
How to choose
Your most likely comparison is the M5C long handle on the same body. The C lever gives you reach and leverage for panels that sit deep in a frame; the D short handle is for shallow panels and tight fronts where a long lever would foul guards, doors or the operator's elbow. Both are spring return with a metal control set, so the choice is purely about geometry at the panel.
On sizing: the 110 body carries a smaller 8.0 mm2 orifice if your cylinder is small, while this 210 body steps up to 12.0 mm2 (Cv 0.67) if you choose the 1/4 inch port version instead of this 1/8 inch one. Mind the reversal stroke when you design your linkage or lever cutout: the spool needs 2.0-3.0 mm of travel and the handle itself moves 5.5-8.0 mm. Exceeding these figures damages the valve - AirTAC states this explicitly - so fit a positive stop that limits handle travel rather than letting the lever hit the panel edge.
Frequently asked questions
The M5D21006 is a 5/2 way external control, direct acting valve with a spring-return short handle. Operating pressure is 0-1.0 MPa (0-145 psi), proof pressure 1.5 MPa (215 psi), and the temperature range is -20 to +70 C. It has 1/8 inch PT threads on the 200 Series single control body, an effective orifice of 9.0 mm2 (Cv 0.50), an aluminium alloy body, and runs on air filtered by a 40 um element. No lubrication is required, though if lubricated air is used, keep using the same medium - ISO VG32 or an equivalent grade.
The spool stroke is 2.0-3.0 mm and the short handle itself travels 5.5-8.0 mm. These are published limits: pushing the lever past them damages the valve, and AirTAC says so explicitly in the datasheet. Do not let the lever bottom out against a panel or guard - design a stop into your cutout or linkage that halts travel inside the range. Reversal stroke is also worth checking on the roller types if you combine actuators on one manifold layout.