![VAT 09.1 Series Скачать руководство пользователя страница 7](http://html1.mh-extra.com/html/vat/09-1-series/09-1-series_installation-operating-and-maintenance-instructions_855855007.webp)
Series 091
DESIGN AND FUNCTION
1088779EA
Edition 19.05.2021
7/27
3
Design and Function
3.1
Design
1
Sealing surface
2
Valve body
3
Bonnet flange
4
Actuator
Figure 3-1
3.2
Function
The valve sealing principle is based on a wedge shape gate design. The gate seal is pressed against
the sealing surface by means of a pneumatic actuator. The valve is standard equipped with a bellows
feedthrough. Optional the valve can be equipped with a shaft feedthrough, with or without PTFE
protection bellows.
1
Gate
2
Sliding elements
3
Gate seal
4
Bellows
Valve seat side
Figure 3-2
4
3
2
1