Airtac M5PP Poppet Push Button Mechanical Valve M5PP21006R
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5PP Poppet Push Button Mechanical Valve M5PP21006R is a genuine 5/2-way protruding button type control valve. A raised button - quick to find, still guarded against a full palm strike. 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 | M5PP21006R |
|---|---|
| Valve type | 5/2 way, external control, direct acting |
| Actuation | Protruding button type |
| Reset | Automatic (spring) restoration |
| Body series | 200 Series, single control |
| Port size | PT1/8 |
| Effective area | 9.0 mm2 (Cv 0.50) |
| Button colour | Red |
| 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 | 2.0-3.3 mm |
| Actuator stroke | 3.8-5.1 mm at the button |
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 control set is engineering plastic and must be operated by hand only - never switch it by striking it with a tool. The exhaust outlet sits on top of the body, so a silencer fits directly.
About the M5PP21006R
The M5PP21006R is a 5/2-way external control, direct acting valve that is thrown purely by hand - there is no coil, no pilot port and no wiring of any kind. A raised red button protrudes from the 210-series body, so an operator can find it and press it with a palm or fingertip without looking away from the work. The moment the button is released, an internal spring snaps the spool back to its original position, giving automatic restoration for momentary start or signal duties.
Inside is a sliding-column spool, so the force needed to change over does not rise with working pressure - there is no back-pressure effect, and the button feels the same at 0.2 MPa as it does at 1.0 MPa. The 1/8in PT ported body has a 9.0 mm2 effective orifice (Cv 0.50), the exhaust sits on top of the body so a silencer screws straight in, and the button panel is engineering plastic, which means this valve is for finger or palm operation only - striking it with a tool is expressly forbidden by AirTAC.
Typical applications
Cycle start on a bench drill press fixture
The operator aligns the workpiece in the jig, then presses the protruding red button to send the 5/2 signal that clamps and advances the drilling cylinder. Spring return vents the clamp the instant the palm lifts, so a stuck hand can never hold the cycle.
Palm cycling a small packaging press
On a semi-automatic carton sealer, the raised button is pressed for each downstroke of the sealing head. Because changeover force does not vary with line pressure, the button keeps the same feel all shift long.
Manual jog station for a fixture setup
During tooling setup on a milling fixture, a machinist taps the button to nudge an air cylinder into position. Mounted on the panel, the exhaust on top takes a silencer directly, keeping the setup area quiet.
How to choose
If you are choosing between button heads on the 210 body, the real question is how easy the valve should be to hit. This PP protruding button stands proud and is quick to locate by feel; the PF flat button sits flush and resists accidental pressing, while the PM mushroom head gives the largest target for a deliberate palm strike. Pick PP when you want fast, positive manual cycling without the flush button being too easy to trigger by accident. On sizing, the 210 body with a 1/8in port gives 9.0 mm2 (Cv 0.50); step up to the 08 code for a 1/4in port and 12.0 mm2 (Cv 0.67) if the cylinder is larger, or drop to the 110 body for the smallest panel footprint.
Respect the reversal stroke: the spool travels 2.0-3.3 mm and the button stroke is 3.8-5.1 mm. Do not overtravel beyond these published limits - AirTAC states explicitly that exceeding them damages the valve.
Frequently asked questions
It is a 5/2-way external control, direct acting valve with a red protruding button on the 210-series body, PT1/8 ported. Pressure range 0-1.0 MPa (0-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, effective area 9.0 mm2 (Cv 0.50). Air should be filtered to 40 um; lubrication is not required, but if lubricated air is used, continue with the same medium - ISO VG32 or an equivalent grade.
The published reversal stroke is 2.0-3.3 mm at the spool and 3.8-5.1 mm at the button. These are hard limits - AirTAC states that exceeding them damages the valve, so the striker or palm rest must bottom out on a stop, not on the valve itself. Also note the button panel is engineering plastic for manual operation only: switching it by striking with a tool is forbidden.