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Level Switch NRS 1-52
The level switch NRS 1-52 in conjunction with level electrodes NRG 16-.. and ER 5. is used as limit switch, for instance in steam boiler and (pressurized) hot-water installations. The level switch detects and indicates a MIN and a MAX water level. The level switch can work with following level electrodes: NRG 10-52, NRG 16-52, NRG 16-36, NRG 16-4 and ER 5.-1.
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High-Level Alarm Level Electrode 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 level alarm 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 Level Switch NRS 1-50 For TWO Electrodes
The level switch NRS 1-50 is used in conjunction with level electrodes NRG 1...-.. to limit the water level in steam boilers and (pressurised) hot-water plants. Water level limiters switch off the heating when the water level falls below the set minimum level (low water).
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SPECTORmodul for land and marine applications
Safety, reliability, availability and economy have always enjoyed top priority in boiler operation. To an increasing extent, another aspect is being added for the plant operators: process automation and visualization. To meet these stringent requirements, GESTRA has – for more than five decades now – been working exclusively with electrode systems that are low in maintenance and wear; in contrast to other systems, they function entirely without moving parts, which leads to high service lifetimes and very low failure rates. By now, these GESTRA electrode systems are being applied in many different areas of the energy supply centre.
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Convertisseur universel URW 60
Le convertisseur universel URW 60 convertit les signaux 4-20 mA analogiques d'une électrode de niveau raccordée en télégrammes bus CAN. Les données sont transmises selon le protocole CANopen sur la base d'un bus CAN selon ISO 11898. Le contrôle du fonctionnement et le diagnostic des défauts peuvent être réalisés sur l'appareil de commande et de visualisation URB 60.
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Sécurité de niveau d’eau élevé Indicateur de niveau NRS 1-51
Associé aux électrodes de niveau NRG 1...-.., l'indicateur de niveau NRS 1-51 est utilisé comme sécurité de niveau d'eau élevé pour les installations de chaudière à vapeur et à eau surchauffée. La sécurité de niveau d'eau élevé empêche le dépassement du niveau d’eau maximal défini (NH) et pour ce faire, elle coupe par ex. l’arrivée d’eau d’alimentation.
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UKCA LRS1-50 LRR1-50 LRR1-51 LRG16-4 LRG16-9 LRGT1x-x
UKCA LRS1-50 LRR1-50 LRR1-51 LRG16-4 LRG16-9 LRGT1x-x
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Level switch NRS 1-51
The level switch NRS 1-51 is used in conjunction with level electrodes NRG 1...-.. as high level alarm in steam boilers and (pressurised) hot-water plants. 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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Steam-Powered Condensate-Return Station FPS Station
The GESTRA FPS Stations (Steam-Powered Condensate-Return Stations) are plug-in systems specifically designed to collect and pump hot condensate; commonly returned for use as boiler feedwater. The FPS Station is available with either single or duplex pumps, mounted on a single base plate, that can be used for duty only or duty/stand-by applications.
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Safety Control Unit URS 60 URS 61
The URS 60 / URS 61 safety control unit cyclically evaluates data telegrams from up to four safety sensors of types NRG 1..., NRG 2…, LRG 1… and TRV 5. The data are transferred to an ISO 11898 CAN bus via the CANopen protocol and saved. The safety functions are monitored by cyclical self-tests. The two integrated relays are switched off in the event of alarms or failures. Function tests and failure diagnosis can be conducted using either the control unit or the operating terminal.