MKS Baratron 121A, Instruction Manual, Page: 59 / 62

Appendix D: High Pressure Fitting Selection Description
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Appendix D: High Pressure Fitting Selection
Description
A high pressure application is defined as an application with a pressure greater than 1000 Torr.
Table 8 lists the pressure range for each fitting choice.
Pressure and Fitting Matrix for High Pressure Applications
Fitting Ordering
Code
Pressure Range
5000 Torr (96.7 psia) through
25000 Torr (483.5 psia)
Comments
Swagelok
8-VCR
B All The lowest published
pressure rating for any weld
gland for ½” tubing is (2600
psig)
Mini-CF,
rotatable
C All Maximum pressure has been
calculated as 1414 psi. This
is for the flange only.
Limited by bolt strength.
NW-16-KF D 5000 Torr (96.7 psia) only;
higher ranges not available
Pressure rating 5 - 100 psig.
Must be used with an HPS
overpressure ring.
Table 8: Pressure and Fitting Matrix for High Pressure Applications