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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 Т, С° ξ D, mm d, mm L, mm A, mm H, mm Weight, kg
843-40-0а-02 40 37,3* 280 7 60 39 220 586 191 15,4

body – steel 25 (GOST 8479);

cover – steel 20 (GOST 1050);

valve spindle – steel 20Х13 (GOST 5949), steel 25Х1МФ (GOST 20072).

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

Check valve 843-40-0а-02 Picture

Check valves are used for prevention of working medium reverse flow in pipelines. Working medium – steam, water, non-aggressive petroleum products. Connection to pipeline – by welding.

Check valve 843-40-0а-02 Picture

* working pressure, Рр

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