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Kosmonavtov Pr., h. 6э

Altai Region, Barnaul

Barnaul
Boiler Plant

788-400/600-0-02

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Production according to TR 3740-002-15365247-2004.

Valve body material: carbon steel.
Pipeline connection: flanged connection.
Installation position: on horizontal pipeline sections in the position of the rod upwards in the places convenient for maintenance.
The valve body has foot supports for the valve mounting to the building structure.
Gate sealability: according to class А GOST 9544-2015.
Climatic version: У, УХЛ, Т according to GOST 15150-69.
Placement category: 3 according to GOST 15150-69.

DN, mm PN, MPa Tmax of the Medium, ºC Body Material, Steel Working Medium Operating Stroke, mm F, cm² Maximum Steam Rate, t/h μ, not less than Inlet/Outlet Diameter, mm
400 0,35 139 20 пар 100 452 45 0,5 400/600
DN - Nominal Diameter
PN - Nominal Pressure
P - Pressure
Tmax - Maximum Design Temperature 
Mкр - Spindle Torque
t - Response time
μ - Fluid Flow Coefficient
h - Valve Stroke
Kv -
Throughput Capability
F - Seat Area
ζ - Resistance Coefficient

The pressure safety valve DN 400/600 of series 788 is a direct-acting protective device.

It is installed on pipelines of reduced and cooled steam after the pressure-reducing and desuperheating stations.

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