Table Of Contents - YOKOGAWA DPharp EJXC80A User Manual

Diaphragm Seal System
EJXC80A, EJAC80E, EJXC81A, EJAC81E, EJXC50A and
EJAC50E
Contents
1. Introduction ............................................................................................... 1-1
 Regarding This Manual ................................................................................................ 1-2
 Trademarks ................................................................................................................... 1-3
1.1
1.2
2. Handling Cautions .................................................................................... 2-1
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3. Component Names .................................................................................. 3-1
4. Installation ................................................................................................. 4-1
4.1
4.2
4.3
4.5
4.6
4.7
3rd Edition: Oct. 2018 (YK)
All Rights Reserved, Copyright © 2016, Yokogawa Electric Corporation
Safe Use of This Product ................................................................................. 1-3
Warranty ............................................................................................................. 1-4
Model and Specifications Check ..................................................................... 2-1
Unpacking .......................................................................................................... 2-2
Storage ............................................................................................................... 2-2
Selecting the Installation Location ................................................................ 2-2
Pressure Connection ........................................................................................ 2-2
Waterproofing of Cable Conduit Connections .............................................. 2-3
Restrictions on Use of Radio Transceivers ................................................... 2-3
Insulation Resistance and Dielectric Strength Test ...................................... 2-3
Precautions ....................................................................................................... 4-1
Mounting the Diaphragm Seals (Remote Seals) ........................................... 4-1
4.2.1 Mounting Flush type/Extended type Seals ........................................ 4-1
4.2.2 Mounting Inner Diaphragm Type Seals ............................................. 4-3
Mounting EJC80 and EJC81 with Remote Seal ................................ 4-3
Mounting EJC80 with Direct Mount Seal ................................................. 4-5
4.5.1 Mounting ............................................................................................ 4-5
4.5.2 Connecting Impulse Piping to the Transmitter ................................... 4-5
Mounting EJC50 with Direct Mount Seal ................................................. 4-6
Mounting EJC50 and EJC80 with Hygienic Seal .............................. 4-7
4.7.1 Hygienic Seal (Flush Type) ................................................................ 4-7
4.7.2 Hygienic Seal (Extended Type) ........................................................ 4-7
4.7.3 Tank Spud Mounting Method ............................................................. 4-8
IM 01C25W01-01EN 3rd Edition
Toc-1
IM 01C25W01-01EN