Airtac M5PM Mushroom Push Button Type Mechanical Valve M5PM11006B
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5PM Mushroom Push Button Type Mechanical Valve M5PM11006B is a genuine 5/2-way mushroom head type control valve. A large mushroom head that can be hit with a palm without looking for it. 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 8.0 mm2 (Cv 0.45) effective area.
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Specifications
| Model | M5PM11006B |
|---|---|
| Valve type | 5/2 way, external control, direct acting |
| Actuation | Mushroom head type |
| Reset | Automatic (spring) restoration |
| Body series | 100 Series, single control |
| Port size | PT1/8 |
| Effective area | 8.0 mm2 (Cv 0.45) |
| 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 M5PM11006B
The AirTAC M5PM11006B is a 5/2-way external control, direct acting valve with no coil and no pilot port: the spool is thrown by a hand on a large mushroom head. Press the head with your palm and the valve changes over; release it and the spring returns the spool automatically, so it behaves as a momentary palm button that feeds and exhausts a double-acting cylinder in one motion. It is not a solenoid valve - if you arrived here from the 4V range, the difference is that this valve needs no electricity at all.
The 100-series (110) body is aluminium alloy with a PT1/8 port and an effective area of 8.0 mm2 (Cv 0.45). Because it is a sliding spool, the changeover force does not rise with working pressure, so the head feels the same at 0.2 MPa as it does at 0.9 MPa. The mushroom head control set is engineering plastic and is rated for manual operation only - press it with a hand, never strike it with a tool or a passing machine part. The exhaust outlet sits on top of the body, so a silencer screws straight in without re-plumbing.
Typical applications
Cycle start on a carton sealing head
An operator loading cartons onto a shrink-wrap tunnel presses the mushroom head with a flat palm to advance the sealing cylinder, then lets go; the spring return retracts the ram the instant the hand lifts, so a stuck hand cannot hold the cycle on.
Fixture clamp release at a milling bench
A machinist holding a workpiece in one hand presses the large head with the other to vent the clamping cylinder on a pneumatic fixture - one motion, no small button to hunt for, and the clamps open the moment the palm comes away.
Manual jog on a pallet transfer table
During changeover on a transfer table, a palm hit on the head nudges a pallet up to a stop block; the mushroom shape accepts a quick, gloved press without precise aiming, and panel or body mounting lets it sit exactly where the hand naturally falls.
How to choose
The nearest alternative is the PP protruding button: the PM mushroom head is the larger target, so it suits stations where an operator hits it with a flat palm mid-task without looking, while PP suits a fingertip press on a tighter panel. If the valve state must hold, step sideways to the PL latching type instead - the PM springs back the moment the hand lifts. On the body, the 110 is a 1/8 port only at 8.0 mm2 (Cv 0.45); moving to the 210 body buys a 1/4 option at 12.0 mm2 (Cv 0.67) for larger cylinders and adds a colour code to the ordering system. Respect the published strokes: spool travel 2.0-3.3 mm and button travel 3.8-5.1 mm. Pressing past these limits damages the valve, and the datasheet says so explicitly.
Frequently asked questions
It is a 5/2-way, externally controlled, direct acting mechanical valve on a 100-series body with a PT1/8 port. Operating pressure is 0-1.0 MPa (0-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, media is air filtered by a 40 um element, effective area 8.0 mm2 (Cv 0.45), body aluminium alloy, spring (automatic) return. No lubrication is needed; if lubricated air is used, continue with the same medium to optimise valve life.
The published limits are a spool stroke of 2.0-3.3 mm and a button stroke of 3.8-5.1 mm. AirTAC states that exceeding these reversal strokes damages the valve, so a stop plate or shroud is advisable where the head may be hit hard. Note too that the engineering plastic control set is for hand operation only - striking it with a tool or machine part is expressly forbidden in the datasheet. Both body mounting and panel mounting are supported, and control sets can be ordered separately as spares.