788-400/600-0-03

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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	0,45	148	20	пар	100	452	55	0,5	400/600

Legend

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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