KSB VALVE - BUTTERFLY VALVE DANAIS MT II

KSB GROUP

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

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1. Design
Double-offset butterfly valve with plastomer seat or metal seat (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator, body made of steel or stainless steel. Wafer-type body (T1), full-lug body (T4) or flanged body (T7) with flat or raised faces. Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Certified to German TA-Luft Technical Guidelines on Air Quality Control.

2. Applications
Petroleum, gas, chemical and petrochemical industry, nuclear power stations, onshore and offshore plants. Steam, vacuum and all applications requiring offset-disc butterfly valves.

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. Maintenance-free shaft sealing

Two maintenance-free independent sealing systems at the stem passage ensure reliable sealing to the atmosphere.

2. Straightforward insulation

Insulating can easily be performed thanks to a body design with collar.

3. High safety

Shaft in anti-blow out design ensures safety.

4. Reliable shut-off in both flow directions

The seat ring adjusts to the valve disc according to the flow direction, while the differential pressure additionally supports the sealing effect.
Fitted in the body, the seat ring is not subjected to any wear and tear.

5. Only one stem passage