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IM 01C25W01-01EN
Diaphragm Seal System
EJXC80A, EJAC80E, EJXC81A, EJAC81E, EJXC50A and
EJAC50E
IM 01C25W01-01EN 3rd Edition
3rd Edition: Oct. 2018 (YK)
All Rights Reserved, Copyright © 2016, Yokogawa Electric Corporation
Contents
Model and Specifications Check
.....................................................................2-1
Waterproofing of Cable Conduit Connections
..............................................2-3
Restrictions on Use of Radio Transceivers ...................................................2-3
Insulation Resistance and Dielectric Strength Test ......................................2-3
Mounting the Diaphragm Seals (Remote Seals) ...........................................4-1
Mounting Flush type/Extended type Seals ........................................4-1
Mounting Inner Diaphragm Type Seals .............................................4-3
with Remote Seal ................................4-3
with Direct Mount Seal .................................................4-5
Connecting Impulse Piping to the Transmitter ...................................4-5
with Direct Mount Seal .................................................4-6
with Hygienic Seal ..............................4-7
Hygienic Seal (Flush Type) ................................................................4-7
Hygienic Seal (Extended Type) ........................................................4-7
Tank Spud Mounting Method .............................................................4-8