This is a hose connector with a 5.3 mm nozzle. It has a 13 mm (1/2”) hose barb. It is made of brass with an NBR (nitrile rubber) seal. The maximum operating pressure is 25 bar (363 psi). The coupling is suitable for temperatures between 0 to 80 °C (32 to 176 °F).
Pros:
- Simple and easy connection
Cons:
- GEKA couplings have no shut-off function
Specifications
Connection size : 1/2 inch
Hose pillar connection (mm) : 13
Nozzle bore (mm) : 5.3
Seal material : NBR (nitrile rubber)
Material : Brass
Max pressure at 20 °C (bar) : 25
Min temperature (°C) : 0
Max temperature (°C) : 80

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