
<4. Installation>
4-3
IM 01C27C01-01EN
4.6 Mounting the Flushing
Connection Ring
4.6.1 Mounting to Pressure Detector
Section
The ushing connection ring is mounted to high
pressure side pressure detector section as shown
in Figure 4.5.
At the factory shipment, the ushing connection ring
is already assembled and attached to high pressure
side process detector section.
F0405.ai
Pressure-detector section
Drain/vent plug
Ring
Ring holder
Spiral gasket
View from pressure detector section side
Groove for installing
spiral gasket
Figure 4.5 Mounting to Pressure Detector Section
(1) Mount the ring holder on the ring and loosely
tighten the mounting screws.
(2) Place the spiral gasket in the ring groove. With
the ring correctly aligned and ush with the face
of the pressure detector, securely tighten each
ring holder’s mounting screws.
(3) Position the ring so that the drain/vent plugs are
aligned straight up and down.
4.6.2 Mounting to Process Flange
Tighten the bolts to completely close the gap
between the ring and the pressure detector section.
The mating ange, gasket, stud bolts and nuts are
to be procured by the customer.
F0406.ai
Ring
Diaphragm
Pressure-detector
section
Gasket
Mating flange
Spiral gasket
Figure 4.6 Mounting to Process Flange
IMPORTANT
• Conrm that there is no gap between the ring
and the process-detector section after they
are mounted on the process ange. A gap
can lead to a sudden, explosive release of
process uids.
• When mounting or removing the ring,
take care not to tilt the pressure detector
downward as the ring can slip off and cause
injury.
• When re-mounting the ring, use the new
spiral gasket as shown in below table.
Table 4.1 Spiral Gasket for Pressure Detector
Section Side*
Part number Size Description
F9350SV ø100×ø120×t4.5 For 3-inch ange
F9970XF ø100×ø120×t4.5 For 3-inch ange**
F9350ST ø70×ø90×t4.5 For 2-inch ange
F9970XD ø70×ø90×t4.5 For 2-inch ange**
F9346ZH ø60×ø75×t4.5 For 1 1/2-inch ange
F9970XB ø60×ø75×t4.5 For 1 1/2-inch ange**
*: Material; 316SST (Hoop), PTFE Teon (Filler)
**: For oil-prohibited use (Option code: /K1, /K5)
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