Airtac M5B Basic Type Mechanical Valve M5B11006G
Mechanically actuated · no coil, no pilot airThe AirTAC Airtac M5B Basic Type Mechanical Valve M5B11006G 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 | M5B11006G |
|---|---|
| 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 | G (BSPP parallel) |
| 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 M5B11006G
The AirTAC M5B11006G is a 5/2-way mechanical control valve - external control, direct acting, with a plain plunger where other valves put a coil. No solenoid, no pilot port, no wiring at all: the spool is thrown by a machine part, a jig face or a fingertip pressing the plunger, and a spring snaps it back the instant the force is removed. That spring return is the built-in automatic restoration of the B actuator.
This 100-series (110) body carries PT1/8 ports and an effective area of 8.0 mm2 (Cv 0.45). Because the spool is a sliding column, the changeover force is not affected by working pressure - there is no back-pressure effect, so switching stays consistent across the whole 0 to 1.0 MPa range. The exhaust outlet sits on top of the body, so a silencer screws straight on, and the valve mounts either on its body or through a panel. The plastic control set is for hand contact or light machine contact only; AirTAC forbids switching it by striking with a tool.
Typical applications
Slide end-of-stroke switching
On a drilling or tapping fixture, the feed slide presses the plunger as it reaches the bottom of its travel, switching the clamp cylinder or firing the next step of a purely pneumatic sequence.
Air control in spark-risk areas
With no coil to spark, the valve suits grain handling, solvent stores and paint booths: an operator presses the plunger to divert or vent a line with zero electrical hardware at the point of use.
Bench press actuation
Panel-mounted on a pneumatic crimping or testing bench, the plunger sits where a fingertip or the descending ram strikes it, restoring by spring ready for the next cycle.
How to choose
Pick the B plunger when contact comes from a fixed point at a known position - a slide bottoming out, a cylinder rod collar, or an operator's finger on a start station. If the trip instead comes from a passing cam that must work in both directions, the neighbouring choice is the M5R roller type; the plunger is the simpler pick only where the push is deliberate. On body size, this 110 variant offers 8.0 mm2; stepping to the 210 body gives 9.0 mm2 on the same 1/8 inch port, or 12.0 mm2 (Cv 0.67) with 1/4 inch ports if the cylinder needs more flow. Mind the reversal stroke: spool travel is 2.0-3.3 mm, and driving the plunger past its mechanical stop will damage the valve.
Frequently asked questions
Operating pressure is 0-1.0 MPa (0-145 psi) with a proof pressure of 1.5 MPa (215 psi). Media temperature spans -20 to +70 C, ports are PT1/8, and the effective area is 8.0 mm2 (Cv 0.45). The medium is air filtered by a 40 um element; the aluminium body needs no lubrication, but if lubricated air is used AirTAC advises continuing with ISO VG32 or an equivalent grade.
Reversal stroke (spool travel) is 2.0-3.3 mm, and driving the plunger beyond its mechanical limit will damage the valve. The basic type has no roller or lever to absorb over-travel, so position the trip so the machine part stops against the plunger rather than slamming through it. Also note that the plastic control set must never be switched by hitting it with a tool.