IMO MSC/Circ. 677, MSC.1/Circ. 1324, ISO 16852
DISCHARGING FOR GAS FREEING
80A~350A, JIS, ANSI, DIN etc FLANGE
Material - Body : Ductile Cast Iron or Stainless Steel
- Screen : Stainless Steel
Gas free vent cover is normally installed with high velocity pressure vacuum valve for the purpose gas freeing as follows.