Meriam 70H_72H High Pressure Wet Tap Accutubes with Integral 3-Valve Head and Optional RTD - Manual (Page 2)

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ACCUTUBE INSTALLATION INSTRUCTIONS
CONTENTS PAGE
ACCUTUBE MODEL NO. CONFIGURATOR................................................................3
ACCUTUBE MODELS .....................................................................................................4
1 SYSTEM CONSIDERATIONS.........................................................................................5
2 OPERATIONAL CONSIDERATIONS.............................................................................9
3 READOUT INSTRUMENTATION ..................................................................................9
4 INSTALLATION PROCEDURE ......................................................................................9
4.1 GENERAL REQUIREMENTS.................................................................................9
4.2 SERIES 10A, 11A, & 12A ......................................................................................10
4.3 SERIES 20T, 21T, 22L, 23L, 40H, 41H, 42H & 43H.............................................11
4.4 SERIES 24D & 25D ................................................................................................12
4.5 SERIES 33T INSTALLATION ..............................................................................13
4.6 PROBE REMOVAL................................................................................................15
4.7 SERIES 37L, 70H & 72H INSTALLATION..........................................................15
4.7.1 EQUIPMENT REQUIRED ..........................................................................15
4.7.2 INSTALLATION – ½” AND 1” DIA. PROBES W / SOCKET DRIVE.....15
4.7.3 INSTALLATION – ½” AND 1” DIA. PROBES W / GEAR DRIVE .........17
4.7.4 INSTALLATION – 2 3/8” DIA. PROBES W / SOCKET DRIVE..............18
4.7.5 INSTALLATION – 2 3/8” DIA. PROBES W / GEAR DRIVE...................20
4.7.6 SPECIAL DOUBLE-SUPPORT INSTRUCTIONS.....................................21
4.7.7 RECTRACTION PROCEDURE FOR SOCKET DRIVE UNITS...............22
4.7.8 RECTRACTION PROCEDURE FOR GEAR DRIVE UNITS ...................23
4.8 DIRECT TRANSMITTER MOUNT HEADS WITH EQUALIZING VALVES...24
AND INTEGRAL RTD OPTION, SERIES 40H – 43H, 70H & 72H
4.9 SPECIAL APPLICATIONS (DUCTS/SADDLE CLAMPS/ROTATED HEAD)..25
5 OPERATIONS .................................................................................................................26
6 INTERCHANGEABILITY..............................................................................................27
7 MAINTENANCE & REPLACEMENT PARTS .............................................................28
8 TROUBLESHOOTING ...................................................................................................28
9 CALCULATIONS & FLOW COEFFICIENTS......................................................... 29-31
ACCUTUBE MODEL NUMBER CONFIGURATOR