Y-type vacuum flapper valve of working principle
The high vacuum manual baffle valve can be used as the opening and closing mechanism in the high vacuum pipeline, which can cut off and connect the air flow in the vacuum system. The driving parts are screw driven lifting valve plate, which is light and reliable. The valve plate moves up and down with limited position device, which ensures the service life of valve plate sealing ring and bellows.
Y-type vacuum flapper valve of main technical performance
Opening and closing mode: Manual
Connection flange standard: GB / T 4982
Suitable range: 10-6pa ~ 2 × 105Pa
Applicable medium: air or low corrosive gas
Valve leakage rate: < 1.3 × 10-7pa · L · S-1
Forward and reverse leakage rate of valve plate: < 1.3 × 10-7pa · L · S-1
Life: > 100000 times
Installation position: DN < 300 any, DN ≥ 300 vertical
Within the allowable pressure range, the valve can be opened or closed in different differential pressure directions
The opening height of the valve is arbitrary, and the air flow can be adjusted
Y-type vacuum flapper valve of shape and connection dimension
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