GEAZ, LLC (Georgievsky valve plant, LLC)

Shut-down valve

The valve belongs to the shutdown devices aiming at overlapping of a gas and fluid medium in the pipelines with various pressure ratio and pipe sizes via valve spool, by the sliding stem valve along the flow axis transversely to the pot of an upper bend.

Technical characteristics – for a shutdown valve

Material design

Basic  (-00)

-01

-02

-03

Figure chart (grading PN)*

16

15с65stainless steel, 965stainless steel

15hp65stainless steel, 965stainless steel

15stainless steel65stainless steel, 965stainless steel

15stainless steel65stainless steel1, 965stainless steel1

25

15с66stainless steel, 966stainless steel

15hp66stainless steel, 966stainless steel

15stainless steel66stainless steel, 966stainless steel

15stainless steel66stainless steel1, 966stainless steel1

40

15с22stainless steel, 922stainless steel

15hp22stainless steel, 922stainless steel

15stainless steel22stainless steel, 922stainless steel

15stainless steel22stainless steel1, 922stainless steel1

Figure chart (grading PN)**

25

15s18p, 918p

15hp8p, 918p

15stainless steel18p, 918p

15stainless steel18p1, 918p1

Operating environment

Fluid and gas hydrocarbon, oil, oil products, oil gas, gas condensate, water, steam, ammonia, also other corrosive fluids and gases, nonaggressive ones for the applied materials contained in the shutdown valve 

Material design

Basic  (-00)

-01

-02

-03

Operating environment temperature *

From -  40°C
To+ 450°C

From -  60°C
To+ 450°C

From -  60°C
To+ 565°C

From -  60°C
To+ 600°C

Operating environment temperature **

From -  34°C
To+350°C

From -  34°C
To+350°C

From -  34°C
To+510°C

From -  34°C
To+600°C

Material corrosion rate of the external covers   

20L
Not more than 0,2 mm/y

20HL
Not more than 0,2 mm/y

12Х18Н9ТL
Not more than 0,2 mm/y

12Х18Н12М3ТL
Not more than 0,2 mm/y

Terms of operation
GOST 15150-69

U1 (moderate),  Т1

ChL1 (cold climate)

  UChL1 (boreal climate)

  UChL1 (boreal climate)

Ambient air minimum temperature

- 40°C

- 60°C

- 60°C

- 60°C

 

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