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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
3с-6-1-1 10 10,0 450 12,7 16 12 140 36 56 0,9

body (with weldnecks) – steel 20 (GOST 1050);

yoke – steel 35 (GOST 1050) with catalytic nitrogenization;

valve disk – steel 20Х13 (GOST 5949) with catalytic nitrogenization;

valve seat – steel 12Х18Н10Т (GOST 5632).

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

Check valve 3с-6-1-1 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 3с-6-1-1 Picture

* working pressure, Рр

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