bob综合体育官网下载 EKN® H Butterfly Valve epoxy

PN: 10/16/25 - DN: 150...1200

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 in accordance with EN 593
Face-to-face length: acc. to EN 558, basic series 14 (DIN 3202, F4)
With flange ends on both sides acc. to EN 1092-2
Double-offset disk bearing mounted in maintenance-free bushing
Vacuum tight up to 0,2 bar absolute
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
Automatic sealing system with enclosed and pressure-supported profile sealing ring
Patented hydrodynamic disk
Patented wedge pin connection between shaft and disk
Tight in both flow directions acc. EN 12266, leak rate A
With self-locking, fully enclosed, maintenance-free worm gear including mechanical position indicator

O-rings: EPDM
Body: Ductile iron EN-GJS-400-15 (GGG-40)
Valve sealing: EPDM
Disk: Ductile iron EN-GJS-400-15 (GGG-40)
Butterfly valve stem: Stainless steel 1.4021
Seat: High-alloy weld overlay