性能規范 Properety specification

用途及特點 Purpose and characteristic
通風蝶閥采用與閥體相同材料加工成密封圈，其使用溫度隨閥體選材而定，公稱壓
力≤0.6MPa，一般適用于工業、冶金、 環保等管道作通風、調節介質流量只用，
其主要特點為：
1、設計新穎、合理、結構，重量輕，啟閉迅速。
2、操力矩小，操作方便，勝利靈巧。
3、采用適應的材料以滿足低、中、高不同介質溫度其及腐蝕性介質等。

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.

采用標準 Adoption standard
設計標準 Design standard:JB/T8527 JB/T8692
法蘭連接尺寸 flange connection dimension: GB/T9115.1
結構長度Structure length:GB/T12221
壓力試驗Pressure test:GB/T13927； JB/T9092

主要技術參數 Main technology parameter