The AirTAC Airtac PHV Finger Valve PHV10B is a genuine finger valve (manual shut-off) for shutting compressed air off by hand at the point of use.
The PHV10B is a manual finger valve for Dia 10mm soft nylon or polyurethane tubing, operated by a quarter turn of the cap with a fingertip. It is a shut-off valve, not a speed controller: turn it fully one way and the line is closed, turn it back and air passes at full bore. The B suffix means a 2-port body, so when the valve is closed the downstream circuit stays sealed and pressurised rather than venting to atmosphere.
This is the right choice when you need to isolate a branch of Dia 10mm tubing for maintenance, changeover or an emergency stop without bleeding down the whole machine. The PHV range is specified without brass anywhere in the body, making it suitable for copper-free installations in electronics, plating and similar processes where copper contamination matters. Ratings cover 0-1.0 MPa working pressure, -750 mmHg (10 Torr) vacuum and -20 to +70 C.
| Model | Airtac PHV Finger Valve PHV10B |
|---|---|
| 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.
| 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. |
On a robotic palletiser's vacuum gripper frame, a PHV10B in the Dia 10mm suction leg lets a technician lift the valve closed to work on a single cup assembly while the rest of the gripper array stays under vacuum.
During bottle-size changeover on a rotary filler, closing the 2-port PHV10B isolates the clamp-actuator branch without dumping the machine's air supply, so the next format change starts from an already-charged circuit.
On a laboratory leak-test or filtration rig plumbed in 10mm soft nylon, the copper-free PHV10B gives a fingertip quarter-turn isolation point that will not introduce brass into the wetted air path.
Size by tube OD, not by flow: PHV10B takes Dia 10mm tubing, with PHV8 as the size below and PHV12 as the size above. Step down when the branch feeds a smaller actuator or a lighter duty circuit and you want a compact valve on a tight panel; step up to Dia 12 for the main legs of a distribution run where the largest bore in the range keeps restriction low. The 2-port B version is for circuits that must stay charged when isolated - if you need the outlet to dump to atmosphere on closing, that is the 3-port PHV10A instead.
Fit it where a hand can reach it comfortably during a line stop, and upstream of any section you plan to work on. Because closing a 2-port valve traps air downstream, always relieve the trapped circuit through a separate exhaust before breaking a joint. If your job is slowing a cylinder rather than isolating it, you need a speed controller from the PSL, PSS, PTL or PTS families, not this valve.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2); usable under vacuum to -750 mmHg (10 Torr); proof pressure 1.5 MPa; operating temperature -20 to +70 C. It accepts Dia 10mm soft nylon or polyurethane tubing and is the 2-port B version, which seals the outlet when closed instead of venting it. The standard body colour is grey.
Both are quarter-turn finger valves for Dia 10mm tubing. The A version is 3-port: when closed, it vents the outlet line to atmosphere, so downstream actuators relax. The B version is 2-port and traps the downstream circuit sealed, which suits branches that must hold position or stay pre-charged while isolated. Neither variant contains brass, so PHV valves can be used in copper-free environments such as electronics manufacture and plating shops - a distinction from most other AirTAC valve families, which do use brass.
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