性能规范 Properety specification

用途及特点 Purpose and characteristic
通风蝶阀采用与阀体相同材料加工成密封圈，其使用温度随阀体选材而定，公称压
力≤0.6MPa，一般适用于工业、冶金、 环保等管道作通风、调节介质流量只用，
其主要特点为：
1、设计新颖、合理、结构，重量轻，启闭迅速。
2、操力矩小，操作方便，胜利灵巧。
3、采用适应的材料以满足低、中、高不同介质温度其及腐蚀性介质等。

Ventilated butterfly valve use same material as body to process
gasket，the suitable temperature is according to material of body，
nominal pressure is<0.6MPa，generally，it is utilized in pipe of
industry，metallrgyitable material to satisfy，environmental
protecion etc.as ventilation and adjust medium flux.The main
characteristic as below.
1.Novel and reasonable design，particular configuration，light，andopen
ａnd close rapidly.
2.Small operative moment，operation easily，laborsaving and skillful.
3.Use suitable material to satisfy low，middle，high different medium
ａnd corrosive medium etc.

采用标准 Adoption standard
设计标准 Design standard:JB/T8527 JB/T8692
法兰连接尺寸 flange connection dimension: GB/T9115.1
结构长度Structure length:GB/T12221
压力试验Pressure test:GB/T13927； JB/T9092

主要技术参数 Main technology parameter