Ventilation butterfly valve

2017-12-24View Original

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Question from a beginner: Since a ventilation butterfly valve has no seal and only a flap, how is it possible to achieve zero leakage?

Reply #22017-12-24

There are also ventilation butterfly valves that achieve zero leakage; I’ve heard of this for the first time.

Reply #32018-01-04

3% leakage rate. . . . . . .

Reply #42018-01-04

Ventilating butterfly valves allow leakage.

Reply #52018-01-05

This post was last edited by At the foot of the hill at 09:10 on 2018-1-14. Ventilation butterfly valves cannot achieve zero leakage. MVC-5700 MVC-5100

Reply #62018-01-05

Hello, please send me a sample of the ventilation butterfly valve at 1984995092@qq.com

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Ventilation butterfly valve

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