Brass Fittings –
MM Range (Air)
– Specifications
All our technical information for our Brass MM Range of products can be found here.
Brass Fittings – MM Range (Air)
Style and Description
For Compressed Air Systems
The MM range of Brass fittings are suitable for compressed air systems. They are intended for use with John Guest nylon, aluminium pipe, or copper, and can also be used on vacuum applications.
Media / Application
✓ Air / Vacuum
✘ Potable Liquids
Sizes – Outside Diameter (OD) Pipe
- 15mm – 28mm
Maximum Working Pressure (kPa)
Temperature | Pressure | |
---|---|---|
AIR/VACUUM | 15mm – 28mm | |
-20°C | 1000kPa | |
+1°C | 1000kPa | |
+20°C | 1000kPa | |
+65°C* | 700kPa |
*NOT to exceed maximum temperature
Water Trap Tee Convertor

Convertor Installation – Step 1
Prepare the Pipe & Fit
Use either John Guest 28mm nylon pipe or 28mm copper pipe. The pipe must be cut square, and be free of burrs.
Press the shorter spigot into the pipe. The fit on copper pipe will be loose. This will not affect the function.

Convertor Installation – Step 2
Push Up to Pipe Stop & Screw
Push the pipe and converter up to the pipe stop of the centre leg of the tee. Turn the screw cap approx 1/4 turn to lock the pipe in position