Qualifizierte nukleare Näherungs-/Begrenzungsschalter
Euroswitch delivers specialised nuclear switch solutions, including radiation-tolerant proximity and limit switches, designed for critical safety applications in nuclear power generation.
Nuclear Limit Switches | Radiation Tolerant Proximity Switches | Gamma & Neutron Resistant
Industry: Nuclear environments
Euroswitch offers a comprehensive range of nuclear switch solutions for critical safety applications within the nuclear power generation industry, including limit switches, sensors, proximity switches, flow switches, vibration sensors and valve indication products. Building on our extensive experience with hazardous area certifications, our products, including radiation tolerant proximity switches, limit switches and level switches for nuclear applications, provide unmatched durability and resilience.
These nuclear limit switches are essential for operations requiring strict regulatory compliance and are capable of withstanding extreme conditions such as high temperatures, intense pressure, and significant neutron and gamma radiation levels. Certified for both harsh and mild environments, our switches ensure reliable performance in the most demanding scenarios, supporting vital functions like fuel transfer, valve operation, and emergency containment.
Hauptmerkmale
Qualified for Containment, Harsh and Mild Levels
- 60 years Qualified Life
- Versions suitable for K1 , K2 and K3 environments.
- CR: Class 1E Harsh Environment Proximity Switch with Accident Conditions (LOCA/HELB) Submerged / Non-Submerged SPDT/DPDT
- HR: Harsh Nuclear Environment Proximity Switch SPDT/DPDT
- MR: Mild Nuclear Environment Proximity Switch SPDT/DPDT
- Sicherheitskritisch zertifiziert für SIL 2 und SIL 3.
- Radiation aged to >100MRad Gamma (1000kGy).
- Hochtemperatur-Modelle (260°C Auslenkung)
- Modelle für hohen Druck (10.000 psi) verfügbar
- Seismisch und vibrationsfest mit festem Anpressdruck zur Vermeidung von Flattern.
- Berührungslose Näherungssensor-Technologie.
- Immun gegen EMV und RFI.
- Multi-Voltage-Fähigkeit in einem Gehäuse.
- Volt free, radiation tolerant proximity switches (no power consumption).
Sensors and Switches for Power Generation – Applications
- Motorisierte Ventile
- Zylinder Ausfahren/Einfahren
- Luftschleusen und Luken
- Kräne und Aufzüge
- Direkte Klappenpositionsanzeige
- Anzeige der Position der Containment-Tür
- Brennstoff-Transfer / Steuerstäbe
- Betankungs- und Transfermaschinen, die das Eintauchen von Ventilen während eines KMV ermöglichen
Neutron Flux and Gamma Radiation Resistant
- Small Modular Reactors (SMRs) – Very High Radiation tolerance to suit new compact designs with reduced shielding.
- Tolerant of radiation from fast neutron spectra fuels (e.g. with molten salt or gas coolants).
Konstruktion
- Knüppelbearbeitetes Gehäuse aus Edelstahl 316L.
- Modelle erhältlich mit integrierten Leitungen (PEEK-isoliert) IP66/67/68.
- Wireable connection head available with PEEK or ceramic terminals for connection of customer cable in plant. IP 66/67/68.
- Available with qualified connectors to suit plant standardisation. i.e. Souriau 8N45 8NA4G, SAIB NURS, EGS Gen1 and Gen3.
- Kompakte und leichte Konstruktion
- SPDT- und DPDT-Kontaktformulare
- Hoch- und Niederstrom-Schaltfähigkeit
- Kein mechanisches Hebelarm-Drehmoment und keine Einstellung während der gesamten Lebensdauer erforderlich.
- Mechanische Lebensdauer von 1,5 Millionen Betätigungen (max. Stromstärke).
Nuclear Qualified Proximity Switch Ranges
FerroProx Nuclear Switches
Kompatibilität der Spezifikation
IEEE 60780-323-1974/1983/2003
Nuclear facilities — Electrical equipment important to safety – Qualification
IEEE 382-1980/1996/2006
Qualification of Safety-Related Actuators for Nuclear Power Generating Stations
IEEE 572-2019 Qualification of Class 1E Connection Assemblies for Nuclear Power Generating Stations and Other Nuclear Facilities
IEEE 344-1975/1987/2004
Seismic Qualification of Equipment for Nuclear Power Generating Stations
RCC-E K1 Design and construction rules for electrical equipment of PWR nuclear islands
KTA 3505 2015 -11 Type Testing of Measuring Sensors and Transducers of the Instrumentation and Control System Important to Safety
KTA 3506 2017-11 System Testing of the Instrumentation and Control Equipment Important to Safety of Nuclear Power Plants
KTA 3507 2014-11 Factory Tests, Post-Repair Tests and the Certification of Proven Performance of Modules and Devices of the Instrumentation and Control System Important to Safety
AECL98-30830-TS-008 Seismic qualification of valves
AECL98-60000-TS-005 Seismic qualification of Instruments and Control Equipment
AECL98-60000-TS-006 Environmental qualification of Instruments and Control Equipment
10CFR50.49 Environmental Qualification of Electric Equipment Important to Safety for Nuclear Power Plants
