Yokogawa EJX118A - Manual (Page 24)

<4. Installation>
4-2
IM 01C25H01-01E
F0402.ai
50mm minimum
Minimum
liquid level High
pressure
side
Install the sealed diaphragm
so that the shank positions
downward.
Low
pressure
side
IMPORTANT
The transmitter should be
installed as low as possible
below the position where
the high pressure side
diaphragm seal is installed.
Install the sealed diaphragm
so that the shank positions
downward.
IMPORTANT
Figure 4.2 Installing the Diaphragm Seals to a
Tank
4.3 Transmitter Mounting
■ The transmitter can be mounted on a nominal
50 mm (2-inch) pipe using the mounting
bracket supplied, as shown in Figure 4.3.
The transmitter can be mounted on either a
horizontal or a vertical pipe.
■ When mounting the bracket on the transmitter,
tighten the (four) bolts that hold the transmitter
to a torque of approximately 39 N·m {4 kgf·m}.
F0403.ai
U-bolt nut
Mounting bracket
Mounting bracket
50mm (2-inch) pipe
U-bolt
U-bolt
Horizontal pipe mounting
50mm (2-inch) pipe
Transmitter
mounting bolt
Transmitter
mounting bolt
U-bolt nut
Vertical pipe mounting
Figure 4.3 Transmitter Mounting
IMPORTANT
Never loosen the four bolts securing the cover
flange or the screws at the joints between the
capillary tube and cover flanges (Refer to figure
3.2.) If the seal liquid leaks, the transmitter
cannot be used.