... cover,impeller metering structure and indicated structure.To C type water meter and LXS-50-150mm, the indicated structure is ... GB/T778-1996Breeds:Horizontal 8-bit pointer water meter,vertical 8-bit pointer water meter(15mm,20mm)Vertical pointer and word ... (15mm,20mm),and Horizontal pointer and word type water meter. Bore(mm)BreedLengthWidthHeightConnecting threadWeight(kg)Metering gradationOverload flow ...