... ring andother parts.Working Principle:--This is a multi-jet impeller meter with a drive magnet and a internal dry ... Class B Standard for horizontal installation.Attachment:--With every water meter(threaded ends), there are 2 couplings, 2 coupling nuts, ... coupling gaskets and 2 spud thread protectorsIndication:--Cubic meter(m3) for selecting.Feature:--Multi-jet, dry-dial, easy for maintenance, with ...