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Water Level Limiter Level Electrode NRG 16-50, NRG 17-50, NRG 19-50, NRG 111-50
The level electrodes NRG 1...-50 are used in conjunction with level switch NRS 1-50 as water level limiters for steam boiler plants and (pressurised) hot water installations. Water level limiters switch off the heating when the water level falls below the set minimum level (low water).
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Convertisseur universel URW60
Le convertisseur universel URW 60 peut être utilisé en association avec une électrode de niveau (avec une sortie de courant 4-20 mA) dans les installations de chaudière à vapeur et à eau surchauffée de même que dans les réservoirs de condensats et d'eau d'alimentation.
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Équipement de surveillance SRL 6-60
Lorsque des électrodes de niveau NB/NH sont installées dans des bouteilles extérieures, une surveillance de la purge périodique des tuyauteries est impérative. Un équipement de surveillance est nécessaire pour chaque bouteille extérieure.
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Clapet antiretour CB 14 CB 24S CB 26 CB 26A
L'appareil empêche le reflux du fluide liquide ou gazeux dans les conduites. Un papillon d'une seule pièce ouvre et ferme la conduite en fonction du sens d'écoulement du fluide. Les appareils du type CB 14 sont ouverts et fermés uniquement par la pression du fluide. Dans la version standard des appareils des types suivants, le clapet antiretour est fermé par des ressorts : CB 24S CB 26 CB 26A
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Level electrodes NRG 16-50, NRG 17-50, NRG 19-50, NRG 111-50
The level electrodes NRG 1...-50 are used in conjunction with level switch NRS 1-50 as water level limiters for steam boilers and (pressurised) hot water installations. Water level limiters switch off the heating when the water level falls below the set minimum level (low water).
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Level electrodes NRG 16-51, NRG 17-51, NRG 19-51, NRG 111-51
The level electrodes NRG 1...-51 are used in conjunction with level switch NRS 1-51 as high water level alarms for steam boiler plants and (pressurized) hot water installations. A high level alarm prevents the water level from exceeding the preset max. water level (HW) and for this purpose switches off e. g. the feedwater supply.
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Water Level Limiter with Level Electrode NRG 16-38S NRG 16-39S
The water level limiter is a device combination and consists of one or two NRG 16-11 level electrodes and one NRS 1-50 level switch.
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Dual-plate check valves BB 3 GESTRA DISCOCHECK®
Our dual-plate check valves BB 3 are developed to ensure the best possible system safety by preventing return flows. Partial opening of the plates remains stable even with a low flowrate. Consequently, the BB 3 can be used without problem even in conditions of fluctuating loads. Thanks to its low weight, the dual-plate check valve is quick and easy to install.
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Self-Monitoring Level Electrode NRG 16-11, NRG 17-11, NRG 19-11
NRG 1...-11 level electrodes operate on the conductivity measurement principle to detect when the fill level has dropped to minimum (water shortage) in a steam boiler. The NRG 1...-11 combines with an NRS 1-50 level switch acting as a water-level limiter (equipment with safety function). For use in steam and hot-water plants in accordance with EN 12952 and EN 12953.
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GCV Three-Port Control Valves QLM and QLD Series
The QLM and QLD are three-port control valves which have linear characteristics for mixing or diverting service. These valves can be used on thermal oil, compressed air, steam, condensate and some other fluids.They are available in four body materials: cast iron, SG iron, carbon steel or stainless steel. All valves can be supplied with the standard metal-to-metal seats, stellite facing for increased resistance to wear or soft seats for tight shut-off.