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Special valves for NPP Gate valves Wedge gate valves

Wedge gate valves ИА 11165-100, ИА 11165-150
ТУ У 00218271.007-99

 Producing plant: IFAZ 

DESCRIPTION:

The valves relate to safety class 2 or 3 according to the Firefight Safety Rules, to group B or C according to the rules for an atomic power plant.
As far as application and functions according to the Firefight Safety Rules are concerned the valves can be used as the elements of the normal operation system – H, Protective – З, Providing – O and Localizing - Л.

The valves are made with the spindle gland seal ensuring a controlled leaks tapping from the intra-gland seal area in case the valves are installed to the system with the radioactive working medium.

The structure of the valves ensures their work under excess pressure and vacuum.

The structure of the valves includes a local indicator of the end positions of the stopping organ. The manually actuated valves (with a fly-wheel, articulated coupling, bevel gear speed reducer) may be modified with the remote control of the end positions at the control desk.

APPLICATION:
Wedge-action valves with the extending spindle are intended to be used at the atomic power plants (APP) as the stopping facilities of the processing lines.

MOUNTING:
The valves are connected to the equipment and pipelines by welding. The valves can be installed to the vertical pipeline at any position. The valves can be installed at the horizontal pipeline in the upper semi-sphere towards a horizontal plane. The mounting position of the electrically driven valves can be any except for the position when the electric motor is under the electric drive.

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Version designation

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Fig. No.

Nominal internal diameter,DN (mm)

Nominal pressure, PN (MPa)

Operating medium temp, оС not higher than

Operating medium

Body material

Control method

ИА 11165-100

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1

100

2,5

250

Circulating water, steam, feed water, process water, distillate

Steel 20

Electric drive 2-ПA-46

-01

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Electric drive 2-OA-46

-02

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5

Flywheel

-03

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1

Circulating water, steam, feed water, service water, heat carrier of the 1-st circuit, distillate

Steel 08Х18Н10Т

Electric drive 2-ПA-46

-04

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Electric drive 2-OA-46

-05

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5

Flywheel

ИА 11165-150

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1

150

Circulating water, steam, feed water, process water, distillate

Steel 20

Electric drive 2-ПA-47

-01

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Electric drive 2-OA-47

-02

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5

Flywheel

-03

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1

Circulating water, steam, feed water, service water, heat carrier of the 1-st circuit, distillate

Steel 08Х18Н10Т

Electric drive 2-ПA-47

-04

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Electric drive 2-OA-47

-05

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5

Flywheel

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