Airtac PH-1 Hex Head Toggle Joint PH4M5D
The AirTAC Airtac PH-1 Hex Head Toggle Joint PH4M5D is a genuine universal male elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeUniversal male elbow
- SeriesPH
- 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 PH-1 Hex Head Toggle Joint PH4M5D
The PH4M5D is an AirTAC PH universal male elbow, a one-touch fitting that joins Dia 4 mm soft nylon or polyurethane tubing to an M5x0.8 male port. Unlike a fixed PL elbow, the universal design lets you set the elbow's outlet angle at any orientation, so the tube can leave the port in exactly the direction your routing needs.
Installation is push-in: square-cut the tube, press it fully home, and the internal chuck grips the OD while the stainless spring gasket and NBR O-ring complete the seal; press the release ring to free it. The M5 thread seals with its captive gasket rather than thread sealant, so no PTFE tape is wound on. This is a resin and brass fitting from the grey/black one-touch line, rated 0 to 1.0 MPa working, -750 mmHg vacuum, 1.5 MPa proof, -20 to +70 C. The D suffix gives the black body version for panels where grey would stand out.
Airtac PH-1 Hex Head Toggle Joint PH4M5D Technical Specifications
| Model | Airtac PH-1 Hex Head Toggle Joint PH4M5D |
|---|---|
| Type | Universal male elbow |
| Series | PH |
| Connection | Push-in one-touch |
| 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 PH-1 Hex Head Toggle Joint PH4M5D
| PH | Universal male elbow. |
|---|---|
| 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). |
| 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 PH-1 Hex Head Toggle Joint PH4M5D Is Used
Compact gripper ports on pick-and-place heads
Miniature parallel grippers and rotary actuators on gantry pick-and-place heads often carry M5 ports facing sideways or upward. The PH4M5D elbow swivels to aim the 4 mm tube down the moving arm, avoiding the kink a fixed elbow would force at the joint.
Vacuum ejector hookups on lab automation
Small single-stage vacuum ejectors used on laboratory liquid-handling and sample-prep machines commonly specify M5 supply and suction ports. This fitting handles the -750 mmHg vacuum side and its 4 mm bore suits the short, low-volume lines these ejectors are plumbed with.
Black fittings inside dark machine housings
In optical inspection stations and laser enclosures where a grey fitting reflects into sensors or breaks the colour scheme of the machine interior, the black D-version body keeps the 4 mm pneumatic drop to a motion stage visually unobtrusive.
Is the Airtac PH-1 Hex Head Toggle Joint PH4M5D the Right Part?
This is the smallest tube size offered on the PH M5 ladder; the only M5 step up is Dia 6 (PH6M5), which doubles the bore area for short vacuum lines and small actuator feeds. If your port is 1/8in PT instead of M5, the equivalent part is PH401, which also opens up Dia 8 tube options. Always match tube OD exactly: a Dia 4 fitting will not seal on 5/32in or 1/4in tube, even if it appears to push on.
Choose the PH shape over a plain male elbow when the port sits under a manifold or inside a guard and the tube must approach from an angle you cannot predict at assembly time. If you need both ends free to swivel, the PHW double universal elbow is the related shape; for a female port, look at PHF.
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 PH-1 Hex Head Toggle Joint PH4M5D FAQ
It is a resin and brass one-touch universal male elbow joining Dia 4 mm tubing to an M5x0.8 male thread. Working pressure is 0 to 1.0 MPa (0 to 10 kgf/cm2), vacuum rating is -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the temperature range is -20 to +70 C. It suits soft nylon or polyurethane tube, and the M5 port seals via its fitted gasket, so no additional thread tape or sealant is applied. The thread standard on this catalogue is PT; on M5 sizes the gasket does the sealing.
Yes. The PH universal elbow is designed so the threaded stud stays sealed in the port while the elbow body is set to the angle you need, which is the whole point of choosing PH over the fixed-angle PL male elbow. Assemble the push-in tube first, thread the fitting in, then rotate the outlet to aim the tube before final seating. Keep the 4 mm tube's bend radius in mind when you set the angle: soft polyurethane tolerates tighter bends than soft nylon at this small OD.
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