Airtac M5PP Poppet Push Button Mechanical Valve M5PP21006G
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5PP Poppet Push Button Mechanical Valve M5PP21006G 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 | M5PP21006G |
|---|---|
| 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 | Green |
| 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 | G (BSPP parallel) |
| 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 M5PP21006G
The AirTAC M5PP21006G is a 5/2 way external control, direct acting valve that is thrown entirely by hand. There is no coil, no wiring and no pilot port - a press on the green protruding button is the whole switching signal, which makes this valve usable where electricity is absent, unwanted or unsafe.
This is the 210 body (200 series single control) with a 1/8in PT port and an effective area of 9.0 mm2 (Cv 0.50). The button is spring restored: release it and the spool snaps back to its original position automatically. Because the spool is a sliding column construction, the changeover force is not affected by working pressure, so the valve trips with the same feel from 0 up to 1.0 MPa. The exhaust outlet sits on top of the body, so a silencer screws straight on without adapters. The control set is engineering plastic, so operate it by hand only - striking it with a tool is forbidden by the manufacturer.
Typical applications
Cycle-start button on a semi-automatic bench fixture
The operator loads two machined bushes into a drill jig, then presses the green button to send the air cylinder down. Spring return means the cycle resets the instant the finger lifts, so an interrupted press can never leave the drill running unattended.
Reject-gate kick on a checkweigher line
When the operator spots an out-of-spec pack that the vision system missed, a jab on the protruding button fires the reject pusher cylinder. The raised button is findable without looking away from the moving belt, and the spring restores the gate the moment the push is over.
Purge-and-vent control at a lab gas mixing skid
In a fume hood where every electrical contact is a potential ignition source, the button routes supply to the mixing chamber in one position and dumps it to the top-mounted exhaust in the other. No coil means no certification question for the hazardous-area bench.
How to choose
The protruding button sits between AirTAC's two other button styles. Choose the PF flat button when an operator's elbow or passing stock must not be able to trip it; choose the PM mushroom head when a blind palm strike is the plan; the PP protruding button is the middle path - a clear, raised target that is easy to find but far harder to hit by accident than a mushroom. If the machine must remember the command after the press, that is not this valve: the PL latching type (twist to release) or the Y lever holds state manually instead.
On bodies: the 110 body shares the 1/8in port but flows 8.0 mm2 against this 210's 9.0 mm2, and the 110 carries no button colour - the green cap exists only on the 210. Stepping the 210 up to a 1/4in port lifts the effective area to 12.0 mm2 (Cv 0.67). Mind the published reversal stroke: spool stroke 2.0-3.3 mm, total button travel 3.8-5.1 mm. Driving the button beyond those figures damages the valve.
Frequently asked questions
It is a 5/2 way external control, direct acting valve, mechanically operated by a green protruding button with automatic spring return. Working pressure range is 0-1.0 MPa (0-145 psi), proof pressure 1.5 MPa (215 psi), and media temperature -20 to +70 C on filtered air. The port is PT1/8 and the effective area is 9.0 mm2 (Cv 0.50). The body is aluminium alloy, lubrication is not required, and there is no coil or pilot port anywhere on the valve.
AirTAC publishes a reversal stroke of 2.0-3.3 mm at the spool and 3.8-5.1 mm total button travel for the PP actuator, and states explicitly that exceeding these figures damages the valve. Do not strike the button with a hammer or a machine slide - it is a hand-operated control, and unlike the roller types it has no mechanical overtravel designed into the trip. If your cam or carriage will hit it, specify an M5R roller version instead and let the roller take the impact.