Airtac PHV Hand Valve Connector PHV12AD
The AirTAC Airtac PHV Hand Valve Connector PHV12AD is a genuine finger valve (manual shut-off) for shutting compressed air off by hand at the point of use.
- TypeFinger valve (manual shut-off)
- SeriesPHV
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PHV Hand Valve Connector PHV12AD
The PHV12AD is a finger-operated shut-off valve, not a speed controller: a quarter turn of the cap by thumb or finger either opens the line fully or cuts the supply at the point of use. This is the A version, built as a 3-port valve, so when you close it the downstream outlet is vented to atmosphere. That venting matters on long Dia 12 lines because the residual air trapped after the valve bleeds off instead of holding a cylinder or gripper loaded while the machine is stopped. The D suffix is the black colour variant.
Dia 12 is the largest bore in the PHV family, feeding the biggest tubing AirTAC rates this valve for, so it suits main drops and large actuator feeds rather than pilot lines. AirTAC specifies the PHV without brass parts, which makes it a copper-free choice for electronics assembly and plating shops where copper contamination is a process risk. Like the rest of this catalogue it works across 0 to 1.0 MPa, holds against vacuum down to -750 mmHg (10 Torr), and seals soft nylon or polyurethane tube across a -20 to +70 C window.
Airtac PHV Hand Valve Connector PHV12AD Technical Specifications
| Model | Airtac PHV Hand Valve Connector PHV12AD |
|---|---|
| Type | Finger valve (manual shut-off) |
| Series | PHV |
| Adjustment | Quarter-turn knob |
| Orientation | Inline, tube to tube |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Applicable tubing | Soft nylon or polyurethane tube |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
Model Code: Airtac PHV Hand Valve Connector PHV12AD
| PHV | Finger valve (manual shut-off). |
|---|---|
| 4 / 6 / 8 / 10 / 12 | Tube outside diameter in mm (3.2 mm exists on the mini series). |
| M5 / 01 / 02 / 03 / 04 | Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series). |
| A / B | A = 3-port (vents the outlet when shut). B = 2-port. |
| D | Black. Blank = grey. |
Fitting & Sealing Notes
- check Cut the tube square and clean before pushing it home, or the seal will leak.
- check Push until it stops, then pull back to check the chuck has gripped.
- check To release, press the collet ring fully in and pull the tube out.
- check Threaded parts arrive with sealant on the thread; M5 sizes use a sealing gasket.
- check Match the tube OD exactly - a 6 mm fitting will not hold 1/4" tube.
Where the Airtac PHV Hand Valve Connector PHV12AD Is Used
Vented isolation at a weld-cell gripper
Mounted in the Dia 12 feed to a robotic welding-cell gripper, the 3-port arrangement vents the downstream air when closed, so the gripper cannot stay clamped on a part while the cell is stopped for torch change or tip dressing.
Changeover on a packaging machine
A packaging line that swaps film reels and product guides several times a shift needs one Dia 12 branch cut off by hand without isolating the whole header. A quarter turn stops that branch; the vent port lets the downstream cylinder sag safely instead of holding pressure.
Copper-free service in electronics manufacturing
On the air feeds of pick-and-place and test equipment in an electronics plant, the brass-free PHV12AD avoids copper particle shedding near exposed boards and conductive residues, which standard brass-bodied valves cannot promise.
Is the Airtac PHV Hand Valve Connector PHV12AD the Right Part?
Step down one size and the PHV10AD gives you the same 3-port vented shut-off on Dia 10 tubing; step up and there is nothing to step up to, because Dia 12 is the top of the PHV ladder (the family runs Dia 6, 8, 10, 12). If your line drops from Dia 12 to a smaller bore downstream, mounting the valve on the large section gives a lower pressure drop, but venting only works if the valve sits upstream of the trapped volume you want to release. If you need the downstream side to stay pressurised when closed, that is the B version, PHV12BD, a 2-port valve with no vent port.
Fit the valve where an operator can actually reach it - beside the fixture, at the machine entry panel, next to the quick-disconnect - because its whole purpose is hands-on intervention during changeover, jam clearing or maintenance. It isolates one branch, so you can leave the rest of the circuit live and hold header pressure on the rest of the line.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
Airtac PHV Hand Valve Connector PHV12AD FAQ
Working pressure is 0 to 1.0 MPa (0 to 10 kgf/cm2) and it also holds under negative pressure down to -750 mmHg (10 Torr). Proof pressure is 1.5 MPa and the permitted temperature range is -20 to +70 C. This code is the Dia 12 tube size, the largest in the PHV family, in the black D colour, built as a 3-port valve whose outlet vents to atmosphere when closed. It is specified for soft nylon or polyurethane tubing.
Push the soft nylon or polyurethane tube straight in until it bottoms, and to release press the release collar while pulling the tube out - depressurise the line first, since the valve holds supply pressure upstream when shut. The A suffix identifies the 3-port build: closing the valve vents the downstream outlet to atmosphere, which releases trapped air after the valve. The B version (PHV12BD) is 2-port and keeps the downstream side sealed instead, so pick A when you want the branch to go dead, B when you need to hold it.
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