AirTAC 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06)
The AirTAC AirTAC 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) is a genuine 5/3-way 5/3 double air pilot — exhaust 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 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06)
The AirTAC 4A230E06 is a 5/3-way air pilot valve with an exhaust centre, built on the compact 4A200 sliding-column body. There is no coil anywhere in it: the spool is thrown by short pulses of compressed air applied to the two external pilot ports, so the valve can be mounted out on the machine and driven by a hand valve, foot valve or limit valve on a single air line. With the PT (Rc tapered) 1/8-inch threads it seals on the flanks with PTFE tape, the traditional choice for piped runs in plant equipment.
At centre, with both pilot signals released, ports A and B are vented while supply is blocked, so a double-acting cylinder on this valve goes slack and can be positioned by hand, dragged by the load or parked by gravity. Flow capacity sits at an effective area of 13.6 mm2 (Cv 0.8) with a no-load ceiling of 3 cycles per second, and at 365 g this is the heaviest 4A200 variant. The published figures suit cylinders in the ~ Dia 32-50 mm range. Air must be filtered to 40 um; lubrication is not required, though once run on oily air it should stay that way.
AirTAC 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) Technical Specifications
| Model | AirTAC 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) |
|---|---|
| Series | 4A200 air pilot valve (sliding-spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double air pilot — Exhaust 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 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06)
| 4A | Air pilot valve, sliding-spool, 4-series. |
|---|---|
| 2 | Body size (4A200) — sets port & flow. |
| 30E | 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 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) Is Used
Saw carriage positioning
On a woodworking crosscut or rip carriage, the operator wants to nudge the fence or stop by hand between cuts. With the 4A230E06 at centre, both cylinder lines exhaust and the carriage drifts freely, while Cv 0.8 keeps it moving briskly when pulsed.
Quarry screen gate with manual override
Dust kills solenoids. Here the valve sits at the gate cylinder and is pulsed from a remote hand lever by one air line; at centre the gate goes slack so an operator can swing it clear by hand, and no electrical certification is needed anywhere.
Paint booth part fixture release
In a spray booth, clamps on ~ Dia 32-50 mm double-acting cylinders hold the part during painting, then the exhaust centre lets the fixture relax for repositioning. With no coil in the 4A230E06, there is no ignition source to worry about.
Is the AirTAC 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) the Right Valve?
This 06 model carries 1/8-inch ports on the same 13.6 mm2 (Cv 0.8) 5/3 body. If your circuit is under-sized, the next body down is the 4A100 at Cv 0.6; if you need more headroom, step up to the 4A300 at Cv 1.65 - both are available in closed, exhaust and pressure centres too. An exhaust centre is the right pick only when free movement at rest is genuinely wanted; for holding a mid-stroke position choose the 4A230C closed centre instead. Where no electricity can reach the valve - dust-heavy woodshops, explosive-risk paint areas, remote quarry plant - a pure air pilot beats a solenoid on every count: nothing to burn out, nothing to certify, no wiring to fail under vibration. For multi-valve layouts, bank several on the 200M manifold base with a shared 1/4-inch inlet. When replacing an existing valve, match all four points: body size 4A200, function 30E, port 06, thread PT.
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 4A230E-06 Pneumatic Valve, 4A200 Series (4A230E06) FAQ
It directs compressed air to double-acting cylinders and actuators in the ~ Dia 32-50 mm class. Published figures for this 5/3 exhaust-centre model: effective area 13.6 mm2 (Cv 0.8), maximum cycling frequency 3 cycles per second at no load, operating pressure 0.15-0.8 MPa (21-114 psi), proof pressure 1.2 MPa (175 psi), temperature -20 to +70 C. Supply air must pass a 40 um filter, and at 365 g it is the heaviest valve in the 4A200 range.
Both are double air pilot valves with no internal spring to centre the spool, so when pilot signals are removed the spool simply stays where it was last pulsed - held by land friction and balanced pressure, no magnet or detent involved. The difference is the centre condition: the 4A230E06 (30E) vents both cylinder ports, letting the actuator float free, while a 30C blocks all ports and holds the cylinder still. Pick E when you want hand positioning or gravity park; pick C for mid-stroke hold. Neither should be treated as a safety brake - for suspended loads add a pilot-operated check valve or a mechanical brake.
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