nominal size: 　pipe type : DN4～DN200 plug-in type : DN100～DN2000

accuracy grade: 　pipe type : ±0.25 grade:, ±0.5 grade:, ±1.0 grade: plug-in type : ±0.25 grade:, ±0.5 grade:, ±1.0grade: , ±1.5 grade:、±2.5 grade:

environment temperature: 　-20℃～50℃

medium temperature : 　liquid: -20℃～120℃ barometric pressure: 　86KPa～106KPa

nominal pressure: 　1.6 Mpa, 2.5Mpa, 6.4Mpa, 25Mpa

anti-hazard classification: 　ExdIIBT6

WXZJ-LWGQ20B series gas type turbine flowmeter is a kind of precision flow measurement instrument. It is widely applied in petroleum, chemical, metallurgy and scientific research fields for measurement of common gas, natural gas and coal gas.