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The accordance with the ISO 7241-B standard of these couplings assures their interchangeability all over the world. The B series is mainly used in industry: his hardiness makes it suitable for heavy duties in the steel industry and in the oil plant.
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 carbon steel Male in high grade carbon steel, induction hardened Steel hardened valve
Surface treatment: zinc plating and Cr III passivation, springs in C72 steel, 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.