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Altai Machine-Building Company

Select equipment


Valve type

Dn (diameter)

Pn (pressure)

Т°С (temperature)

Data sheets of pressure-reducing desuperheating station, of stop valves, of regulating valves


Destignation Dn, mm Pn, MPa T, С° Kv100, m3/h Torque, N•m D1, mm d1, mm D2, mm d2, mm L, mm A, mm H, mm Actuator type*** Weight, kg
950-100/150-Э 100/150 25,0* 545 206 1110 172 97 255 170 600 450 998 Г 700**

Body – steel 15Х1М1ФЛ (GOST 108.961.03);

yoke – steel 20ГСЛ (GOST 977);

valve spindle – steel 25Х2М1Ф (GOST 5632) with catalytic nitrogenization;

needle – steel 08Х18Н10Т, steel 12Х18Н10Т (GOST 5632) with building-up welding 04Х19Н9С2;

valve seat – steel 08Х18Н10Т, steel 12Х18Н10Т (GOST 5632) with building-up welding 04Х19Н9С2.

Quick-release valves are manufactured in accordance with Technical Specification 3742-002-79315310-2007.

Quick-release valve 950-100/150-э |picture

Quick-release valves are used as regulators of fast-response pressure-reducing and desuperheating stations designed for discharge of direct steam at start-up and shutdown of power-generating units, as well as in case of sharp decrease in turbine load and pipeline overpressure. Connection to pipeline – by welding. Operation – automated control by means of electric drive (Э). May be used as stop valve.

Quick-release valve 950-100/150-э |picture

* working pressure, Рр ** without electric actuator *** ref. electric drives section

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