... meter,water flow meter main technical indicesMeasured mediaLiquid, gas, steamNominal diameterPipeline type 15~300mmClamped mounting type 15~600mmInserted type ... to user requirementExplosion-proof signIntrinsically safe type (ExiallCT4); Explosion isolating type (ExiallBT4)Protection classIP65; IP67;IP68Note: ... ~9115.4~2000 series standard. For pipeline type, small diameter flowmeter of DN6, DN8, ...