Brooks, Model 5851 i – Brooks Instrument 5851i User Manual
Page 45

4-17
Installation and Operation Manual
X-TMF-5851i-MFC-eng
Part Number: 541B109AAG
September, 2009
Brooks
®
Model 5851
i
Section 4 Maintenance
& Troubleshooting
Figure 4-4 Example Nomograph
Range
Restrictor
slpm Nitrogen
Element
Equivalent Flow*
Combination
Part Number
4.6 to 15
1-40 micron (1 inch)
S-613-E-604-BMT
15 to 26
1-40 micron
S-613-E-636-BMT
26 to 42
2-40 micron
S-613-E-523-BMT
42 to 60
3-40 micron
S-613-E-526-BMT
60 to 79
2-40 micron/1-60 micron
S-613-E-528-BMT
79 to 93
1-40 micron/2-60 micron
S-613-E-529-BMT
93 to 130**
3-60 micron
S-613-E-527-BMT
* Based on 0°C Standard Reference Temperature
** For Hydrogen from 130 slpm to 200 slpm use 3-60 micron restrictor
elements.
NOTE: If the nitrogen equivalent flow is between two sizes, select the
larger size.
Table 4-4
5851
i Restrictor Selection Guide.