KSB VALVE - BUTTERFLY VALVE DANAIS 150

KSB GROUP

DANAÏS 150/300 – High-performance Offset-disc Butterfly Valve

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1. Design
Double-offset butterfly valve, with plastomer seat (also in fire-safe design), metal seat or elastomer seat (FKM [VITON R] or NBR [nitrile]). Lever or manual gearbox, pneumatic, electric or hydraulic actuator. Body made of nodular cast iron, cast steel, stainless steel, aluminium bronze or duplex stainless steel (254 SMO). Wafer-type body (T1), full-lug body (T4), T4 suitable for downstream dismantling and dead-end service with counterflange. Connections to EN, ASME or JIS. Fire-safe design tested and certified to API 607. Fugitive emissions performance tested and certified to EN ISO 15848-1. ATEX-compliant version in accordance with Directive 2014/34/EU.

2. application
Industry and process engineering, in particular chemicals, petrochemicals, Sugar and paper industries, Power stations, Building services, Marine engineering, shipbuilding, Biofuels

Material	EN-GJL 250
Nominal sizes	DN 50 to DN 600
Nominal pressure	PN 25
Permissible operating temperature	-50 to +260°C
Permissible operating pressure	25 bar

1. Long service life

The seat ring is located in the body and is thus not subject to wear.
Plain bearings ensure a perfect guiding of the shaft and highest tightness even at full rating.
Two independent sealing elements (O-ring + packing) if extension is mounted

2. Zero leakage

The valve body is closed at the bottom and ensures perfect tightness.
Clamping flange with drilled marks

3. Easy installation

Centring ribs facilitate installation between a variety of flange types.

4. Einfache Wartung

Packing can be replaced without dismantling of the yoke.
No need to retighten the packing gland if extension is mounted.
Travel stop protects seat and disc in case of wrong (re)assembly of the actuator.

High safety