"The sealing system was developed for use with highly abrasive or very sensitive media.Available for all resilient seated butterfly valves with replaceable liner.

Nominal diameter:

DN 80 - 400

Face-to-face:

EN 558 Series 20

ISO 5752 Series 20

API 609 Table 1

Flange accommodation:

EN 1092 PN 6/10/16

ASME Class 150

AS 4087 PN 16

Flange Surface Design:

EN 1092 Form A /B

ASME RF, FF

Top flange:

EN ISO 5211

Marking:

EN 19

Tightness check:

EN 12266 (Leakage rate A)

ISO 5208, Category 3

Temperature range:

-40 °C to + 200 °C (depending on pressure, medium and material)

Max. Operating pressure:

max. 1 bar

Higher pressures on request

See PDF Brochure for more specifications"