KS9

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Absperrklappe
Description

DN 80 – DN 500

Seat ring inflatable
 
Technical data
Wafer type butterfly valve or lug type butterfly valve for installation between flanges EN 1092 PN 10/16 or ASME class 150. Secure shut-off of solids without friction in the seat. Due to the pneumatic pressurisationof the seat ring in position CLOSED, the valve switches without friction and without preload between seat and valve disc. Signs of wear are avoided in this way.
 
Face-to-face dimension
DIN EN 558 line 20
API 609 table 1
 
Mounting flange
DIN EN ISO 5211
 
Test
DIN EN 12266 P10 P11 P12
Leakage rate A
 
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