As we are in to manufacturing of HVAC for Railway Application , as we need air cooled microchannel heat exchanger for one of our project for the below ,mentioned psecification.Please suggest us the suitable MCHX at the earliest.Qty required per annum : 500 no'sCondenser capacity 8 KWCoil Over all Length X Height 950 X 300mmRefrigerant R 134aRefrigerant Flow Rate 40.5 g/sAir flow 2500 CMHCondensing Temperature 45 °CTube Material Corrosion & Sea Water Resisatance AluminiumFin Material Corrosion & Sea Water Resisatance AluminiumTest Required 1000 Hr's salt fog test as per ASTM B 117Other tests a) 100 % leak test with dry nitrogen, b) Open end to be filled and closed with N2 10 - 15 PsigPacking Packed in cotton box with fins covered with bubble sheetBest Regards