4 General Technical Specification of Bhilai Steel Plant, SAIL ...

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General Technical Specification
Item Size Range Description Dimensional/
Design
Standard
DN 50 and above Ball valve class 300 for
isolation purpose Flanged
ends (class 300)
DN 15 to 40 Globe valve class 800 for
throttling purpose, flange
end (class 300)
DN 50 and above Globe valve class 300 for
throttling purpose with
flange end
DN 15 to 40 Check valve class 800 with
flanged end class 300
DN 50 and above Check valve class 300 with
flanged end
DN 15 & Above Ball valve flanged RF
Serrated finish
SERVICE : HIGH PRESSURE OXYGEN
PIPING MATERIAL SPECIFICATION
Gases & Liquid Fluids
Page 41 of 51
Material -
Carbon Steel
API 600 Body A351 GR. CF8;
/BRONZE ;13% Cr
Trim / BRONZE
BS 5352 Body : Bronze
Trim: Bronze
BS 1873 Body : Bronze
Trim: Bronze
BS 5352 Body A182 GR. 304;
/BRONZE ;13% Cr
Trim / BRONZE
BS 1868 Body A351 GR. CF8;
/BRONZE ;13% Cr
Trim / BRONZE
BS 5351 Body A351 GR.CF8 ;
A182 GR. 304
Trim;PTFE Seat
SERVICE CONDITIONS : Maximum Operating Pressure 40 kgf /cm2 Temp 60 o C
Minimum Operating Pressure 16 kgf /cm2 Temp 5 o C
RATING : # 300
Matching Companion Flanges of Valves & flow components as per
corresponding rating.
CORROSION ALLOWANCE : 2 m.m.
Cleaning, Pickling, Passivation & Degreasing As Per IGC / IPSS code
Item Size Range Description Dimensional/
Design
Pipe
Standard
Material -
Carbon Steel
DN 6 to 10 Seamless tube Deoxidized non-
Arsenic copper or
Aluminum
DN 15 to 40 Seamless PE Sch. 80 B 36.10
Carbon Steel, ASTM
A106 GR.B
DN 50 to 150 Seamless BE Sch.40 B36.10 ASTM A106 GR.B
DN 200 to 250 Seamless BE Sch.40 B36.10 ASTM A106 GR.B
GS-02