TTV Aluminium Bronze Lugged TTV Butterfly ValvesNow Fully WRAS Approved Valve & EPDM Seat TTV Aluminium Bronze Lugged Butterfly Valves with EPDM Seat The TTV Aluminium Bronze Lugged Butterfly Valves are now fully WRAS approved, covering both the EPDM seat and the complete valve assembly. Engineered for challenging environments, these valves feature a full aluminium bronze body and disc for superior corrosion resistance especially in saline or mildly aggressive media while now offering certified