BRAND : Gefa
DN 600 – DN 1000
Technical data
Double flanged butterfly valve for installation between flanges EN 1092, PN 6/10. One-piece body in double flange design, suitable for dead-end service. Continuous valve stem, internally connected with the valve disc by dowel pins. The connection is shielded from the medium. Changeable seat ring with additional steel support ring as firm rubbermetal connection in compliance with a solid elastomer thickness of approx. 15 – 17 mm.
Face-to-face dimension
DIN EN 558 line 20
API 609 table 1
Mounting flange
DIN EN ISO 5211
DN 600 – DN 1000
Technical data
Double flanged butterfly valve for installation between flanges EN 1092, PN 6/10. One-piece body in double flange design, suitable for dead-end service. Continuous valve stem, internally connected with the valve disc by dowel pins. The connection is shielded from the medium. Changeable seat ring with additional steel support ring as firm rubbermetal connection in compliance with a solid elastomer thickness of approx. 15 – 17 mm.
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
