Airtac M5B Basic Type Mechanical Valve M5B11006
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5B Basic Type Mechanical Valve M5B11006 is a genuine 5/2-way basic (plunger) type control valve. A plain plunger head. Pushed by a machine part, a jig or a fingertip. 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 | M5B11006 |
|---|---|
| Valve type | 5/2 way, external control, direct acting |
| Actuation | Basic (plunger) 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 |
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 M5B11006
The M5B11006 is a 5/2-way external control, direct acting valve that is thrown mechanically by its basic plunger - there is no coil, no pilot port and no wiring to fail. A machine part, a jig edge or a fingertip presses the plunger and the spool changes over; release it and the internal spring snaps the valve back to its original position automatically. This is the 100-series single control body (110) with a 1/8in PT port and an effective area of 8.0 mm2 (Cv 0.45). If you arrived here from a 4V solenoid or 4A air pilot search, note that the M5B11006 is neither: it is operated purely by mechanical contact.
Its sliding-column spool construction means the force needed to change over does not rise with working pressure, so the switch feels identical at 0.2 MPa and at 1.0 MPa. The exhaust outlet sits on top of the body, so a silencer screws straight in and the valve installs quietly. Body mounting and panel mounting are both supported, and the engineering plastic control set is available separately as a spare. Note that plastic control sets are for manual operation only - striking them with a tool is forbidden by the datasheet. If you lubricate the air supply, stay on the same medium (AirTAC suggests ISO VG32 or equivalent grade) once it has been introduced.
Typical applications
Slide table trip on a drilling fixture
A pneumatic slide table feeding a drill bushing contacts the plunger at the end of its stroke, reversing the clamp cylinder without an electrical limit switch near the swarf.
All-pneumatic sequence on a capping line
On a bottle-capping machine with no PLC at the station, the descending press head depresses the plunger to shift the 5/2 valve and drive the next cylinder in the sequence.
Coil-free control inside a machine bed
For a stamping die bench where the builder wants no electricity buried in the machine frame, a linkage pushes the plunger to route supply air to the ejector cylinder.
How to choose
The usual comparison here is basic plunger versus the PP protruding button on the same 110 body: the plunger suits a moving machine part that does the pressing, while the raised button is for a person's finger at a station. If the trip happens on both passes of a reciprocating carriage, look at the M5R roller instead; if you want the valve to hold its state after pressing, that is a job for the Y lever, not this spring-return plunger. On sizing, stepping up to the 210 body keeps the 1/8in port but raises the effective area from 8.0 to 9.0 mm2 (Cv 0.50), and the 210 body with a 1/4in port reaches 12.0 mm2 (Cv 0.67) - worth the step for a larger cylinder. Mind the reversal stroke: the spool needs between 2.0 and 3.3 mm of travel, and because the basic type has no added actuator stroke beyond the plunger itself, any overtravel past 3.3 mm goes straight into the valve and will damage it. Design the trip so the plunger bottoms inside that window.
Frequently asked questions
It is a 5/2-way external control, direct acting valve operated by a basic plunger with automatic spring return. Operating pressure range is 0-1.0 MPa (0-145 psi) with a proof pressure of 1.5 MPa (215 psi). Working temperature is -20 to +70 C, the medium is air filtered by a 40 um element, and the body is aluminium alloy. The port is 1/8in PT on the 100-series single control body, with an effective area of 8.0 mm2 (Cv 0.45). No lubrication is required, but once lubricated air is introduced, continue with the same medium - AirTAC suggests ISO VG32 or a same-grade oil.
The spool stroke is 2.0-3.3 mm on the basic type, and the datasheet gives no extra actuator stroke for this version - the plunger travel is the limit. Exceeding 3.3 mm of overtravel will damage the valve, so the trip must be arranged to stop within that window, for example with a hard shoulder on the jig. The spring returns the plunger the moment the pressing force is removed, so it is ready for the next cycle with no manual reset.