Content - Brass Series G

Messing G Program (BSP inch)
SO 0....

The indestructible range with BSP gas thread

  • Unions, valves
  • Ø 4 - 15 mm
  • max. 125 bar
  • -196°C to +180°C
  • for non-aggressive to slightly aggressive air, gases, liquids and oils in a non-aggressive environment
  • e.g. in sanitary piping, building installations

Characteristics, special features

- easy and fast to install
- compact size
- extensive range
- many combination possibilities
G = connection nut with British Standard Pipe (BSP) threads
(M and G are not interchangeable)

Brass CW 617N (CuZn40Pb2) , surface is pickled

Nominal pressure PN
See product table (safety factor 4)

Temperature range
-196°C to+180°C

Leak rate with helium
10-8 mbar • l/s
(when professionally assembed; see installation instructions and tubes)

up to 10-4mbar, higher values are possible

Tubes to use
Tubes of plastic and seamless copper tubes (esp. EN 12449/1057) with clean smooth surface. Tolerance of outside diameter ± 0.1 mm. Further materials on demand.


Adaptor stem, male thread
British Standard Pipe (BSP) and metric fine thread DIN 3852; tapered form C; thread with sealing form B. NPT-thread according to ANSI B1.20.1.

Pressure coefficient % of PN