water meter adapts to measure the liquid ratr and ... sully.3.Erode-resistant Be the same with sea water,ammonia,acetometer,etc.4.Bi-direction Pulse,4~ ... 50,80,100,150,200,250,300mmSpecifocation:DN(mm)Flow range(m3/h)Medium temp.PN(mPa)Env. ... .62.5150A604005030040400200A10060080800250A160100012012001.6300A26016001801800Note:Mark "*" means special order. Water meter