Pressure
Poppet opens under external pressure of 4-6 kPa for vacuum relief.
Pressure drop less than 4 kPa at 6,000 litres/min flow of free air across coupled connection.
Selectivity
Nosecone is standard 4” NATO camlock with interference selectivity ring to prevent wrong connection.
NOTES: VCM450 is not suitable for use with AS 5602 compliant tankers which require interference selectivity ring for vapour adaptors (use VCM3 variants).