To identify the correct order code for your FHR 3 / FHR 4
Start with "FHR 3 / FHR 4-", then add the appropriate number options from columns A, B, & C in the table below followed by the gas to be used.
FHR 3 / FHR 4-1-2-2-Argon specifies a FHR 3 / FHR 4 model in brass with 4mm seat & 50mbar outlet pressure ranges, for use with Argon gas.
A |
B
|
C
|
Material |
Seat |
Outlet pressure ranges
|
1 = brass |
1 = 3 mm |
1 = 30 mbar |
2 = brass, nickel plated |
2 = 4 mm
|
2 = 50 mbar |
|
|
3 = 70 mbar |
|
|
4 = 100 mbar |
|
|
5 = 200 mbar |
|
|
6 = 300 mbar |
|
|
7 = 500 mbar |
|
|
8 = 700 mbar |
|
|
9 = 1000 mbar |