VALVE, BUTTERFLY, PART NUMBER:2990-31N0, FOR GAS OPERATED RELAY (BUCHOLZ)(NW80) PADLOCKNEW TYPE LONG ARM AISI 304 STAINLESS STEEL STUD D L=96 MM, DRAWING NUMBER:142000-6600, FOR POWER TRANSFORMER, EQUIPMENT SERIALNO:1ZTR142001,1ZTR142002, MANUFACTURER:ELMEK, OEM MANUFACTURER:ABB