Fair cryogenic Nomenclature System



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FAIR Cryogenic Nomenclature System


1

2

3

4

5

6

7

8

9


Digit 1, 2, 3, 4 Accelerator systems
Digit 5 = Y FAIR Cryogenics
Digit 6 = Cryogenic devices

D Distribution box;

T Transfer line;

C interConnection between transfer line sections, feedboxes and distribution box;

F Feedbox;

J Jumper connection between feedbox and magnet cryostat;

B Vaccum Barrier;

R Return box (endbox);

W Warm piping for Cryogenics;
Cryogenic Devices
YD Cryogenic Distribution box

YT Cryogenic Transfer line;

YC Cryogenic interConnection between transfer line sections, feedboxes and distribution box;

YF Cryogenic Feedbox;

YJ Cryogenic Jumper connection between feedbox and magnet cryostat;

YR Cryogenic Return box (endbox);

YW Warm piping for Cryogenics.

Digit 7 = Subsystem in cryogenic devices
I Instrumentations;

H Headers (cryogenic piping);

V Valves;

X helium heat eXchanger in subcooler;

S thermal Shield;
If Digit 7 = I, then
8 = T Temperature sensor;

8 = P Pressure sensor;

9 = A Absolute pressure sensor;

9 = B Barometric pressure sensor;

9 = D Differential pressure sensor;

9 = R Gauge pressure sensor;

9 = V Vacuum pressure sensor;

8 = F Flow meter;

8 = L Level meter;

9 = H liquid Helium meter;

9 = N liquid Nitrogen meter;
For example,

- - - - Y F I P B

for


one Barometric Pressure Sensor in one Cryogenic Feedbox

If Digit 7 = H, then
Digit 8 =

1 Helium low temperature supercritical/liquid supply line;

2 Helium low temperature return line;

3 Helium shield temperature supply line;

4 Helium shield temperature return line;

5 Helium ambient temperature supply line;

6 Helium ambient temperature return line;

7 Helium purge line;

8 Helium low/ambient temperature multipurpose line;
If Digit 7 = V, then
Digit 8 =

C Control valve;

E Electric valve;

P Pneumatic valve;

Q Quench valve;

S Safety valve;

N Non-return valve (check valve);

H Hand valve;

O On/off valve (digital valve);

AND

Digit 9 =

1 Helium low temperature supercritical/liquid supply line;

2 Helium low temperature return line;

3 Helium shield temperature supply line;

4 Helium shield temperature return line;

5 Helium ambient temperature supply line;

6 Helium ambient temperature return line;

7 Helium purge line;

8 Helium low/ambient temperature multipurpose line;
Examples,
- - - - Y D V C 1

for


one Control Valve on the helium low temperature supercritical/liquid supply line in one Cryogenic Distribution box
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