JB/T 4357-2008 in English

本标准规定了工业锅炉用离心引风机的基本技术要求，试验与验收，成套供应与保证，标志、包装与运输。
本标准适用于工业锅炉用离心式引风机（简称引风机），引风机进口应配有除尘装置。引风机的进口烟气温度应大于80℃，小于250℃，烟气含尘量不得大于400㎎／Nm3的无腐蚀性气体。

Scope

This standard specifies the basic technical requirements, testing and acceptance, complete supply and guarantee, marking, packaging and transportation of centrifugal induced draft fans for industrial boilers. This standard applies to centrifugal induced draft fans (referred to as induced draft fans) for industrial boilers. The inlet of the induced draft fan should be equipped with a dust removal device. The inlet flue gas temperature of the induced draft fan should be greater than 80°C and less than 250°C, and the dust content of the flue gas should not be greater than 400 mg/Nm of non-corrosive gas.