Aleksin Plant of Heavy Industrial Valves - Tyazhpromarmatura
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PJSC "Tyazhpromarmatura" produced a batch of check valves for Rostov Nuclear Power Plant

PJSC "Tyazhpromarmatura" has shipped a batch of check valves DN 600 mm Pp 8,6 MPa for the second unit under construction of Rostov Nuclear Power Plant. The equipment is intended for operating in steam valve unit (SVU) of WWER reactor and considered to be one of the most critical valves.

The valve is designed by engineers of "NeftStalKonstruktsiya" in accordance with initial technical requirements of general project organization NIAEP (Nizhny Novgorod). As it was required by a projector the design of the valve included a remote indicator of shut-off device position.

The pilot model has been manufactured in Alexin plant before serial production of the valve was started. The acceptance tests of the new valve for Nuclear Power Plant were carried out in Research centre of Nuclear Power Plants (RC NPP, Kashira). The tests results confirmed the compliance of stated product characteristics with actual ones. In addition, Alexin products had lower factor of hydraulic resistance in comparison with analogs. The stated service life of body parts of check valve DN 600 mm Pp 8,6 MPa is 50 years, and high-wear parts 10 years, average performance period 1400 cycles.

Timely execution of order for supply of critical valves for unit under construction of Rostov NPP has proved the readiness of PJSC "Tyazhpromarmatura" to take an active part in Federal goal-oriented program of developing nuclear industrial complex of Russia. Today Alexin plant of heavy industrial valves masters serial production of special pipeline valves for Nuclear Power Plants: wedge gate valves DN 100-800 mm and check valves DN 100-600 mm.

January 23, 2009

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