2-23
NOTE
The ProPlate should be shipped with the instrument manifold already
bolted to the electronics.
Figure 2-26.
Valve Identification for 5-Valve
and 3-Valve Manifolds.
Table 2-1. Description of Impulse
Piping Valves and Components.
Numbers 1–4 in the components section of Table 2-1 are used in
Figures 2-27 through 2-32.
B
$
B
$
5-Valve Manifold 3-Valve Manifold
To PH To PL
ML
ML
MV
MH
MH
ME
MEH
MEL
DVL
DVH
To PH To PL
Name Description Purpose
Impulse Piping Valves
PH
PL
Primary Sensor—High
Pressure
Primary Sensor—Low Pressure
Isolates the flowmeter sensor from the
impulse piping system
DVH
DVL
Drain/Vent valve—High
Pressure
Drain/Vent valve—Low
Pressure
Drains (for gas service) or vents (for liquid
or steam service) the DP electronics
chambers
BH
BL
Blowdown—High Pressure
Blowdown—Low Pressure
Allows pipeline pressure to blow and
clear sediment from impulse piping
VH
VL
Vent Valve—High Pressure
Vent Valve—Low Pressure
Allows venting of collected gases from
impulse piping in liquid applications
DH
DL
Drain Valve—High Pressure
Drain Valve—Low Pressure
Allows draining of collect condensate
from impulse piping in gas applications
Components
1
2
3
4
ProPlate Electronics
ProPlate Manifold
Vent Chamber
Condensate Chamber
Reads Differential Pressure
Isolates and equalizes ProPlate
electronics
Collects gases in liquid applications
Collects condensate in gas applications
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