Tender For set of pressure gauge for transformer oi [set of pressure gauge for transformer oil pump make flowell model 1575 of 3-phase locomotive. (1 set consist of 02 gauges). the gauge should have steel body, glycerine filled up, 1/4 bsp thread, 0-7 bar or 0-100 lb/inch square with least count 0.1 bar and dial dia. 55 mm (approx.) of en837-1 standard or equivalent. make ni or vision or micro or similar. nabl or government lab calibration certificate for each gauge to be submitted along with supply.]