Galli & Cassina Stock – ready to go By Harry Flint Posted 24th October 2016 In News 0 Our new stock of National Grid V6 approved lubricated plug valves is now available. Supplied by our new partner Galli & Cassina from Italy. 1/2″ – 1.1/2″ LCC #600 screwed / socket weld and 1″ – 8″ LCC #600 flanged.