VAG EKN<sup>®</sup> Butterfly Valve AWWA

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VAG EKN® AWWA Butterfly Valve AWWA C504

Size: 6in - 72in, Class 150/250

Productgroup: Butterfly Valves

Medium: Water

Double-offset flanged butterfly valve (resilient-seated) according to the AWWA C504 standard. Long service life, as the medium does not come into contact with the bearing, and due to the wear-resistant, corrosion- and infiltration-proof seat with weld overlay. Suitable for use in water distribution, water treatment, in pretreated waste water, dams, in power plants, industry and in pressure management.

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Sealing system/standard: Resilient seated acc. AWWA C504
Face-to-face length: acc. AWWA C504, short body
With flange ends on both sides acc. ANSI B16.1 and B16.34
Vacuum tight up to 0.019 psi
With self-locking, fully enclosed, maintenance-free worm gear including mechanical position indicator and handwheel
Tight in both flow directions acc. AWWA C504
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
Wear-resistant, corrosion-resistant and undermining-resistant seat
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: ASTM A276, Grade 304SS or 316SS or 17-4PH
Shaft bearing: Lead- and zinc-free bronze
Seat: High-alloy weld overlay