Valves for NPP

Gate valves

ИА11165

Are constructed for installation at NPP as shut off devices at pipelines of safety systems.
Connection: welded
Range of working temperatures to +250°С
DN 50-800
Work pressure 1,0 MPa for DN 50-150
2,5 MPa for DN 50-800

АИ00, АИ01

Gate valves (АИ00), including fast acting and rapid response type (АИ01)
Are constructed for installation at pipelines of technological systems at NPP for systems of normal operation and safety systems as shut-off devices. Belong to 1, 2 or 3 safety group, class 1A, 2ВIIа, 2ВIIв, 2ВIIIа depending on work pressure.
Connection: welded
Range of working temperatures to +350°С
DN 65-800
Work pressure from 2,5 MPa to 24,5 MPa

Swing check disk gates

ИА99022

Are constructed for installation as shut-off devices at pipelines of technical water supply systems at NPP.
Working medium: sea water with salt content up to 35 % or water.
Connection: flanged
Range of working temperature: from +4°С to +50°С
DN 150-2000
Work pressure 0,4 MPa; 0,63 MPa; 1,0 MPa

ИА99023

Are constructed for installation as shut-off devices at pipelines of SAOZ systems and systems of technical water group “A” at NPP.
Connection: wafer type
Range of working temperature: to +90°С
DN 300-600
Work pressure 0,6 MPa; 1,0 MPa

Swing check gates

М44077, К44077, ИА44077, ИА44077М, ИА44082, ЕУРИ494464

Are constructed for installation at pipelines of NPP and in safety systems to prevent return flow of working medium.
Connection: welded
Range of working temperature to +250°С
DN 100-1000
Work pressure from 2,5 MPa to 12 MPa

ИА44096

Are constructed for installation at technological pipelines of NPP in systems of normal operation and safety systems to prevent return flow of working medium.
Connection: welded
Range of working temperature to +250°С
DN 200-600
Work pressure 12 MPa

АИ43

Are constructed for installation at pipelines in technological systems of NPP to prevent return flow of working medium.
Connection: welded
Range of working temperature to +350°С
DN 50-300
Work pressure from 2,5 MPa to 24,5 MPa

АИ 44 127-4220/215-350

Are constructed for installation at pipelines in technological systems of NPP in systems of normal operation and safety systems to prevent return flow of working medium.
Connection: welded
Range of working temperature to +215°С
DN 350
Work pressure 22 MPa

Hermetic valves

ИА01017М, ИА01018М

Are constructed for installation at NPP as shut-off devices on air ducting of ventilation systems as well as facilities of storage and recycling of radioactive wastes. Valves can be used in systems that are important for safety including systems of normal operation and safety systems that are installed at NPP with VVER–1000, VVER–1200 and in hermetic boxes of NPP with VVER–440 and in hermetic boxes RBMK.
Working medium: radioactive air without mechanical impurities with volume activity to 7,4×104 Bq/l; air.
Connection flanged
Range of working temperatures to +60°С
DN 200-1600
Work pressure 0,005 MPa

ИА01021

Are constructed for installation as shut-off devices on air-ducting of ventilation systems which pass through shell of reactor section at NPP in failure localization systems.
Working medium: radioactive air without mechanical impurities with volume activity to 7,4×104 Bq/l; air.
Connection flanged
Range of working temperatures to +60°С
DN 200-1000
Work pressure 0,005 MPa

ИА01022-400

Are constructed for installation as shut-off devices on air-ducting of ventilation systems which pass through shell of reactor section at NPP in failure localization systems as well as for other enterprises.
Working medium: radioactive air without mechanical impurities with volume activity to 2,4×10-6 Ci/l; air.
Connection flanged
Range of working temperatures to +60°С
DN 400
Work pressure 0,006 MPa

Control disk valves

СК33001-300; СК33001-400-01; СК33002-300-04

Are constructed for control of working medium parameters (consumption, pressure, etc.) at NPP and can be used in other branches of industry.
Connection: welded.
СК33001-300; СК33001-400-01: Work pressure 2,45 MPa; range of working temperatures +250°С
СК33002-300-04: Work pressure 4,9 MPa; range of working temperature to +150°С