Valves for Nuclear Power Plants
- manufacturing of these valves since 1975 as follower of SIGMA
- 7% of our production
- one of our main field of research and development
- valves for primary and secondary circuits in power plants
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A00 - Gate Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperature up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 50 - 800
- material: carbon steel, austenitic steel
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A01 - Quick-Acting Gate Valves With Electrical Actuator
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperature up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 50 - 300
- actuating time ≤ 10s
- material: carbon steel, austenitic steel
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A01 - Quick-Acting Gate Valves With Pneumatic Actuator
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperature up to +300 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 100-600
- actuating time ≤ 10s
- operating pressure of air 4.5 MPa ± 0.5 MPa
- material: carbon steel, austenitic steel
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A09 - Regulating Gate Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- material carbon steel, austenitic steel
- operation hand wheel, electrical actuator
- range of working temperatures to+350 °C
- working pressure up to 20,0 MPa
- range of type dimensions DN 65 – 300
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A10, A11 - Shut-Off Bellows-Type Globe Valves Regulating Bellows-Type Globe Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperature up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 50-150
- material: carbon steel, austenitic steel
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A14 - Nozzle Check Valves
- water, steam, gas, oil, nonaggressive fluids
- flanged and welded connection
- material carbon steel, austenitic steel
- minimum pressure loss utilizing Venturi effect
- excellent static and dynamic characteristic
- range of working temperatures from -50°C to +550 °C
- working pressure PN 16 - 250
- range of type dimensions DN 50 -300
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A31 - Stop Check Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- material carbon steel, austenitic steel, SAF 2507
- design with remote signaling or without remote signaling
- self-acting by service fluidrozsah
- range of working temperatures to +350 °C
- working pressure up to 20,0 MPa
- range of type dimensions DN 80 - 150
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A49 - Regulating Butterfly Valves
- water, nonaggressive fluids
- welded connection
- working temperatures up to +300 °C
- working pressure up to 11.0 MPa
- range type of dimensions to DN 800
- material: carbon steel + austenitic steel
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A41 - Non-Slam Swing Check Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- for working temperatures up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 50-800
- material: carbon steel, austenitic steel
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A42 - Swing Check Valves With Remote Indication of Stop Device Position
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- for working temperatures up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN100 - 600
- material: carbon steel, austenitic steel
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C23 - Swing Check Valves
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperatures up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 50 - 600
- material: carbon steel, austenitic steel
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A44 - Swing Check Valves With Pressure Seal Bonnet
- water, steam, air, gas, oil, nonaggressive fluids
- welded connection
- working temperatures up to +350 °C
- working pressure up to 20.0 MPa
- range of type dimensions DN 100-300
- material: carbon steel, austenitic steel
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L32 - Butterfly Valves
- water, steam, air, gas, oil, nonaggressive fluids
- flanged or welded connection
- material carbon steel, austenitic steel, duplex steel
- range of working temperatures to +250 °C
- working pressure up to 25,0 MPa
- range of type dimensions DN 150 - 1200
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K83 - Ball Valves
- water (sea water), air, oil, nonaggressive fluids
- welded connection
- material carbon steel, austenitic steel, SAF 2507
- rozsah pracovních teplot do +200 °C
- pracovní tlak do 20,0 MPa
- rozsah typorozměrů DN 50 - 100
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