Safety Angle Valve TD55178 DN 25/40

Safety Angle Valve TD55178 DN 25/40

$900 - $3,000 USD

MOQ: 2 pieces

Key Features

Pressure, Rp: dn 15/40 - rr 25.0 mpa (250 kgf/cm²); dn 25/40 - rr 18.0 mpa (180 kgf/cm²)

Operating medium temperature: dn 15/40 up to 150 °C; dn 25/40 up to 350 °C

Housing material: 08CR18NI10T

Nominal diameter, DN: 25/40

Supplier Information

Znamia Truda OJSC

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Description

For installation as safety devices in normal operation systems and in safety systems of nuclear power plants on vessels, pipelines and apparatuses to prevent pressure rise in them in excess of the permissible pressure.

They are supplied domestically and can be exported, including to countries with tropical climates..

Specifications

Pressure, Rp

dn 15/40 - rr 25.0 mpa (250 kgf/cm²); dn 25/40 - rr 18.0 mpa (180 kgf/cm²)

Operating medium temperature

dn 15/40 up to 150 °C; dn 25/40 up to 350 °C

Housing material

08CR18NI10T

Nominal diameter, DN

25/40

Operating medium

7 % hydrazine solution,5 % sodium nitric acid solution. boron solution with concentration up to 40 g/l, chemically desalinated water, distillate, i circuit coolant, multiple forced circulation circuit water, acid, alkali, make-up water, feed water.

Pipeline connection

mating flanges for welding

Stem seal

bellows

Valve control

automatic with additional manual detonation

Setting position

upright, hood up

Media flow direction

under the spool

Flow coefficient, not less

Not less than 0.15

Permissible leakage in the gate, cm3/min

dn 15/40 - 1,0 (water); dn 25/40 - 1,5 (water)

Spring setting pressure limits Rn, MPa (kgf/cm2)

10 to 25 (100 to 250)

Classification designation of the valve

2viiia, 2biiia, 3ciiia by np-068-05

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