Installing Impulse Piping - YOKOGAWA DPharp EJX Series Installation Manual

4.

Installing Impulse Piping

4.1 Impulse Piping Installation
Precautions
4.1.1 Connecting Impulse Piping to the
Transmitter
(1) Check the High and Low Pressure
Connections on the Transmitter (Figure 4.1)
Differential Pressure Transmitter
Process
connection
Figure 4.1 "H" and "L" Symbols on a Capsule
Assembly
(2) Changing the Process Connector Piping
Connections (for differential pressure
transmitters)
process connectors.
57 mm 54 mm
Figure 4.2 Process Connector Impulse Piping
Connection Distances
"H" and "L" are shown
Process connection
Process connector
Bolt
F0401.ai
51 mm
F0402.ai
<4. Installing Impulse Piping>
(3) Tightening the Process Connector
Mounting Bolts
IMPORTANT
(4) Removing the Impulse Piping Connecting
Port Dustproof Cap
(5) Connecting the Transmitter and 3-Valve
Manifold (for differential pressure
transmitters)
39
IM 01C25A01-01E