Egger Iris® Contol Valve - 2 Pages

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Egger Iris® Contol Valve

Catalog excerpts

IRIS - Diaphragm Control Valve Your advantages at a glance alve ntrol v rol, o nt flow c cient onomic co t solids effi y Energ cise and ec h or withou t e for pr r liquids wi s media. le fo d gaseou suitab an Robust construction designed for continuous operation, particularly suitable for variable duties. Simple installation and commissioning. with control characteristic acc. to DIN EN 60534 Open / Close aperture Electric actuator for precise regulation permitting up to 1200 operations per hour S4-25% ED, optionally pneumatic actuator also available. Hysteresis-free and excellent regulation characteristics are the prerequisites for regulating tasks. This is achieved by the continuously variable aperture from 0 - 100%, similar to the IRIS diaphragm of a camera, always maintaining a central flow axis and by an enhanced segment edge design. Non-clogging due to the free, central flow design and the automatic self-cleaning feature of segment edges during valve operation. Flushing connections are provided. Examples of applications: Air, sewage, sludge, paper stock, sugar suspensions, drinking water, etc. Energy cost savings and low noise emission through enhanced design. Fixed throttling apertures and imprecise reguating methods cause unnecessary pressure losses and energy costs. Due to the almost free passage and low turbulences in our valve these are reduced to a minimum. Because of an advantageous basic characteristic, we can operate in an energy saving manner, i.e.with optimal valve apertures. DN 25 - DN 600 Materials: Casing parts: cast iron, st. st. or zinc-free bronze Sizes: PN 10 to DIN 2501 Segments: Bronze hard-chrome plated (zinc-free) Flanges: max. 6 bar st. st. (optionally hardened) Op. pressure: max. 140 °C Actuators: Handlever, handwheel, electric or peumatic Temperature: On request: ANSI flanges RF 150; op. pressure > 6 bar; temperatures > 140°C; special materials

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Massecuite feed into continuous sugar centrifuges Drinking water in a drinking water supply plant Regulation of paper in the paper industry regulating valves control: Measuring of gases by integrated gas mass flow measurement system ABB SENSYFLOW, construction work executed by Schachtbau, Nordhausen Air for motor and turbine test-beds Primary and return sludge in sewage treatment stations. In Great Britain: Representated by: Emile Egger & Co. AG Route de Neuchâtel 36 CH-2088 Cressier/NE (Switzerland) Tel.: +41 (0)32 758 71 11 Fax: +41 (0)32 757 22 90 E-mail: Internet:...

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