Emerson EZH and EZHSO Series Pressure Reducing Regulators Manual de instrucciones Pagina 12

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12
Standard Pilots
Table 3. Standard Connections
REGULATORS
BERTIN EZ NO
MPNO
EZHFO, EZHSO
BERTIN EZ
MP
EZH
MPS
K3000
K1000
EZR
Assembly Type
Stand-alone X X X X
Monitor X X X
Working Monitor X X
Active X X X
ADGE Version
Stand-alone X X X
Monitor X X X
Working Monitor X X
Active X X X
Variable Pressure
Meter Version
Stand-alone X X
Monitor
Working Monitor Contact factory
Active
A101
Variable Pressure Metering (CPV)
Elements:
Pilot System: - One pre-expansion relay with
adjustable differential
(BMP 114 DR)
- One standard pilot
Meter
Port Plate
Principle
A port plate causes loss in the load, which causes ow
increase. The pressure between the regulator and the port
plate increases with the ow. The meter allows the ow to
increase (in m
3
/h(N)) as the pressure increases when the
ow is high.
Goal: Increase meter dynamics
Determination of Characteristics
Contact factory.
Figure 14. Port Plate
Pre-expansion
Differential
Standard
Pilot
Pm
Pup
REGULATOR
METER PORT PLATE
Q
Pd
Pi
Pu
Reject to Pi
A119
Standard Connections
Europe, Middle East, and Africa Only
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