Respected sir;KINDLY QUOTE THE RATE AS UNDERC.I. GLASS LINED DIAPHRAM / SOUNDER VALVE WITH ARRANGEMENT NB AS PER IS STD REF NO.OF HOLES 08, HOLE DIA 20MM PCD OF FLANGE 240MMBODY TEST TO=15 KG/CM 2 SEAT TESTE TO=1 KG/CM 2 WITH TEST CERTIFICATESIZE 6" ----