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VAG EKN® AWWA Butterfly Valve rubber-lined

Productgroup: Butterfly Valves

Medium: Sea water

Double-offset flanged butterfly valve (resilient-seated) with rubber-lined seat and rubber-coated disk for use with aggressive media. Long service life, as the medium does not come into contact with the bearing, and due to the rubber-lined seat. Suitable for use in water-treatment applications.

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Sealing system/standard: Resilient seated
Face-to-face length: acc. AWWA C504, short body
With flange ends on both sides acc. ANSI B16.1, class 125
Vaccum tight up to 0.019 psi
Tight in both flow directions acc. AWWA C504
With self-locking, fully enclosed, maintenance-free worm gear including mechanical position indicator and handwheel
Double-offset disk bearing mounted in maintenance-free bushing
Medium free bearing (dry shaft) in body by means of double O-ring sealing and closed disk eyes
Possible to replace profile sealing ring without disassembling the disk

O-rings: EPDM
Body: Ductile iron ASTM A536, Grade 65-45-12
Valve sealing: EPDM
Disk: Ductile iron EN-JS 1050 (GGG-50) respectively ASTM A536, Grade 65-45-12
Butterfly valve stem: Stainless steel 1.4462
Shaft bearing: Zincfree bronze
Seat: Rubber lined, microfinished