The A series quick-release couplings are the most used in the world thanks to the accordance with ISO 7241-1A standard and to the
wide range of sizes. They have many hydraulic applications, especially in agriculture, in industry and in building trade.
Interchangeability: ISO 7241-1A
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 – BSPT – UNF – METRIC
Sizes: 1/4" , 3/8”, 1/2”, 3/4”, 1”, 1 ¼”, 1 ½”, 2”
Materials: Female in carbon steel
Male in high grade carbon steel, induction hardened
Steel hardened valve,
Surface treatment: zinc plating and Cr III passivation
Springs in C72 stee,
High resistance balls 100 C6
Seals: standard NBR, on request VITON
Antiextrusion rings: PTFE
Working Temperatures: NBR -20°C +100°C VITON -15°C +140°C
For temperature exceeding this values, the quick-release couplings will be
supplied with all components in steel.
