The principal veins in the superficial system are the great saphenous vein (GSV) and the small saphenous vein (SSV). The GSV runs ... A series of one-way bicuspid valves prevents refluxing of ...

INS . Alfa Laval is expanding its hygienic valve portfolio by introducing the Unique SSV Pressure Relief Valve and the Leakage Detection Butterfly Valve, alongside new smaller sizes of the Unique ...