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Altai Machine-Building Company

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Designation

Valve type

Dn (diameter)

Pn (pressure)

Т°С (temperature)

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

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Pulse Valves 8с

Safety valve is operated by pulse valve. These valves represent a pulse-safety device used to prevent from steam overpressure in pipelines of pressure-reducing desuperheating stations, pressure-reducing stations, deaerators and other facilities of the thermal power plant. Connection to pipeline: 7с-6 – by flange, 7с-8 – by welding (or by flange at the customer’s option), pulse valve – by welding.

Destignation
Dn, mm
Pn, MPa
Т, С°
Pp, MPa
Weight, kg
8с-3-1 20 4,0 450 0,25-1,2 5
8с-3-2 20 4,0 450 1,2-2,2 5
8с-3-3 20 4,0 450 2,2-2,8 5
8с-3-4 20 4,0 450 2,8-3,6 5
8с-4-1 20 Рр4,5 450 3,6-4,5 6

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