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The quick-release couplings of the O series are made in brass and then they are subjected to a superficial passivation to increase their resistance to the environment. The inside parts are all made in stainless steel AISI 303. The accordance with the ISO 7241-1B standard of these couplings assures their interchangeability all over the world. The brass quick-release couplings are mainly used with not very aggressive fluid like fresh water, water and glicole, etc.
Interchangeability: ISO 7241-1B
Shut-off system: poppet valve
Latching system: balls - bearing
Connection: pulling back the sleeve
Disconnection: pulling back the sleeve
Connectability: without pressure
Disconnection under pressure: not allowed
Threads: BSP – NPTF
Sizes: 1/4" , 3/8”, 1/2”, 3/4”, 1”
Materials: Female in brass, male in brass Valves and guidevalves in stainless steel AISI 303
Surface treatment: passivation Springs in stainless steel, balls in stainless steel AISI 316
Seals: standard NBR, on request VITON
Antiextrusion rings: PTFE
Working Temperatures: NBR -20°C +100°C VITON -15°C +180°C