AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06)
The AirTAC AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) is a genuine 5/3-way 5/3 double air pilot — pressure centre air pilot valve with PT1/8 ports. It is a sliding-spool valve switched by a compressed-air signal instead of a coil, and it directs air to double-acting cylinders and actuators. The 4A200 body is published at 13.6 mm² effective area (Cv 0.8).
- Valve type5/3-way
- ActuationAir pilot
- Port sizePT1/8
- Effective area13.6 mm²
- Flow (Cv)0.8
- Series4A200
- No minimum order. A single piece can be ordered.
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About the AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06)
The 4A230P06 is a 5/3-way air pilot valve in the AirTAC 4A200 body, with 1/8" PT (Rc tapered) ports on inlet, outlet and exhaust. It directs compressed air to double-acting cylinders and actuators and is switched entirely by a pilot air signal from a separate 3/2 or 5/2 signal valve - there is no coil in it at all. With neither pilot signal applied, the spool rests in its pressure centre: both work ports A and B stay connected to supply, so the cylinder sees pressure on both sides while idle.
Flow is rated at 13.6 mm2 effective area (Cv 0.8) with a no-load maximum of 3 cycles per second, and the 365 g valve runs from 0.15-0.8 MPa (21-114 psi) between -20 and +70 C on air filtered to 40 um. Because PT threads are tapered and seal on the flanks, join them with PTFE tape rather than a face washer. One nuance of the pressure centre worth knowing before you buy: with both chambers pressurised, an unbalanced load can make the piston creep, so for guaranteed holding add a pilot-operated check valve at the cylinder ports rather than relying on the valve alone.
AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) Technical Specifications
| Model | AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) |
|---|---|
| Series | 4A200 air pilot valve (sliding-spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double air pilot — Pressure centre |
| Actuation | Double air pilot, spring-centred (exterior air control) |
| Port size | PT1/8 |
| Exhaust port | PT1/8 |
| Thread standard | PT (Rc tapered) |
| Effective area (Cv) | 13.6 mm² (Cv 0.8) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 0.8 MPa (21 – 114 psi) |
| Proof pressure | 1.2 MPa (175 psi) |
| Max frequency | 3 cycle/sec (no load) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Lubrication | Not required |
| Weight | 365 g |
Specifications follow the official AirTAC 4A series datasheet. AirTAC publishes the effective area / Cv published for 4A230C-08; other port and centre options of this body share the same casting but are not separately rated. Max frequency is the no-load figure. Confirm the thread standard (PT / G / NPT) against the product label before piping.
Flow & Piloting
| Effective area | 13.6 mm² |
|---|---|
| Flow coefficient | Cv 0.8 |
| Control signal | Compressed air (exterior pilot) |
| Pilot ports | Two pilot ports, one per side |
| Electrical parts | None — no coil, no wiring, no IP rating needed |
| Manifold base | 200M (up to 16 stations) |
Because there is nothing electrical in the valve, the 4A suits wash-down, explosive-atmosphere and high-vibration areas where a solenoid would need certification. Size the valve so effective area / Cv is not the bottleneck for your bore and speed; the 5/3 centre versions have a smaller effective area than the 5/2 of the same body.
Model Code: AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06)
| 4A | Air pilot valve, sliding-spool, 4-series. |
|---|---|
| 2 | Body size (4A200) — sets port & flow. |
| 30P | Function: 10 = single pilot 5/2, 20 = double pilot 5/2, 30C/E/P = 5/3 closed / exhaust / pressure centre. |
| 06 | Port size: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
| (blank) | Thread standard: blank = PT, G = BSPP, T = NPT. This model is PT (Rc tapered). |
Related: 4A210 (single pilot), 4A220 (double pilot, memory), 4A230C/E/P (5/3 centre).
Where the AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) Is Used
CNC fixture clamping cylinders
Opposed clamps on a machining fixture stay loaded between cycles because the pressure centre keeps both sides of the double-acting cylinder fed; the 1/8" ports and Cv 0.8 suit small clamp bores, and a limit valve on the fixture can throw the signal without wiring.
Paint booth reciprocating drives
In a spray booth, solvent-laden air rules out electrical parts at the point of use. This valve has none: a pilot line from a remote signal valve strokes a Dia 32-50 mm double-acting reciprocator, and the 3 cycle/sec rating matches typical spray pass speeds.
Quarry conveyor gate diverters
A gate or plough diverter on a stone conveyor sits in crushing dust where a solenoid coil would eventually fail. Driven by two pilot signals, the valve alternates the gate position, and its 0.8 Cv passes enough air for the 1/8" circuit at up to 3 cycles per second.
Is the AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) the Right Valve?
Inside the 4A200 range this is the pressure-centre option. If your cylinders are small and Cv 0.6 is enough, step down to the 4A100 body; if you need more capacity, step up to the 4A300 at Cv 1.65. Pick 30P when both cylinder sides should stay pressured at centre, 30C to hold position, or 30E to let the cylinder float free; use function 10 for single-pilot spring return or 20 for a pulse-memory 5/2. Because this valve is switched purely by air, it can sit on the machine fed by a hand, foot or limit valve, with no cable back to a control panel and nothing electrical to fail in dust, wash-down or vibration. For banks of valves, mount several on a 200M manifold base (up to 16 stations, 1/4" common inlet). Replacement match is four-point: 4A200 body, 30P function, 06 port, PT thread.
Quick checklist
- ✓ Required flow (Cv) for cylinder & speed
- ✓ Function: single / double / 5-3 centre
- ✓ Pilot air available at 0.15 MPa or above
- ✓ Port thread (M5 / 1/8 / 1/4 / 3/8 / 1/2)
- ✓ Single valve or 200M manifold base?
Installation & Piloting Notes
- check Use clean air filtered to 40µm or finer.
- check Keep the main line within 0.15 – 0.8 MPa.
- check Drive the pilot port from a 3/2 or 5/2 signal valve.
- check A pulse is enough — the spool stays where it was last driven.
- check Fit silencers or fittings to the exhaust ports.
- check Once run on lubricated air, keep lubricating it.
AirTAC 4A230P-06 Pneumatic Valve, 4A200 Series (4A230P06) FAQ
It is a 5/3-way, double-pilot valve for double-acting cylinders and actuators of roughly Dia 32-50 mm bore. Published figures for the 5/3 version of this body are 13.6 mm2 effective area (Cv 0.8), a no-load maximum frequency of 3 cycles per second, an operating pressure range of 0.15-0.8 MPa (21-114 psi) and a proof pressure of 1.2 MPa (175 psi). All ports on the 06 version are 1/8" PT.
By air only: apply a pilot signal to one control port to shift the spool, and to return to the pressure centre simply drop both signals - there is nothing electrical to connect. To replace it, match four points: 4A200 body size, the 30P pressure-centre function, the 06 (1/8") port, and the PT (Rc tapered) thread, which is cut for PTFE-taped joints rather than bonded-washer sealing.
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