4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 70-82-25-19 Rev.
Copyright, Notices, and Trademarks Printed in U.S.A. – © Copyright 1999 by Honeywell Inc. Revision 1– 7/99 While this information is presented in good faith and believed to be accurate, Honeywell disclaims the implied warranties of merchantability and fitness for a particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customer. In no event is Honeywell liable to anyone for any indirect, special or consequential damages.
About This Document Abstract The purpose of this document is to support the installation operation and maintenance of the 4909 CPVC Conductivity Cell Removal/Insertion Assembly. Revision Notes The following list provides notes concerning all revisions of this document. Rev. ID Date Notes 0 11/96 This revision is the initial release of the Honeywell version of the L&N manual p/n 277731 Rev. E1. There were no major changes to the L&N version when it was Honeywellized.
Organization Telephone Address Honeywell TAC 1-800-243-9883 Voice 1100 Virginia Drive Fort Washington, PA 19034 iv 4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual 7/99
Contents 1. INTRODUCTION....................................................................................................1 1.1 Overview.........................................................................................................................................1 1.2 4908 Conductivity Cell ...................................................................................................................1 1.3 31074357 Removal Device..........................................................
4. 5. vi MAINTENANCE AND REPLACEMENT PARTS .................................................17 4.1 To Clean The Cell.........................................................................................................................17 4.2 Replacing Removal Device Parts..................................................................................................17 Ball Valve ........................................................................................................................
Tables Table 4-1 Replacement Parts __________________________________________________________ 18 Table 4-2 Voltage and Time Limits for Platinizing Cells ____________________________________ 18 Figures Figure 1-1 Temperature/Pressure* Range__________________________________________________ 2 Figure 1-2 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Conductivity Cell Installed3 Figure 1-3 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Universal Head_________ 3 Figure 1-4 4908 Conduc
Introduction 1. Introduction 1.1 Overview The 4909 Conductivity Cell Insertion/Removal Assembly is designed for use in a pipeline or closed vessel where it is desirable to remove the cell for inspection and maintenance without shutting down the system and releasing the pressure. The assembly comprises a 4908 Conductivity Cell and a 31074357 Removal Device which are shown assembled in Figs. 1-2 and 1-3.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 1.3 31074357 Removal Device This device consists of a ball valve which is connected to the closed system by a 1-1/2 inch CPVC schedule 80 mounting nipple and to a housing by a 6 inch long schedule 80 CPVC nipple into which the support tube for the cell mounting is inserted. The compression handle provides a seal around the cell support tube. Depending on the Key Number selected in Section 2.
Introduction Valve Conductivity Cell Purge Port 1/4" NPT Plug Compression Handle Support Grip Cable 6" Nipple 1-1/2" NPT Nipple Housing Cable Grip Adapter (Contains Automatic Temperature Compensator when Specified) a/n 23350 Figure 1-2 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Conductivity Cell Installed Universal Head Assembly a/n 23351 Figure 1-3 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Universal Head 7/99 4909 CPVC Conductivity Cell Insertion/Removal Ass
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual Conductivity Cell Cable Adapter * * Automatic Temperature Compensator, when specified by catalog number, is mounted inside adapter. a/n 23352 Figure 1-4 4908 Conductivity Cell Note: Apply a thin film of Silicone grease to all surfaces of bushing and to diameter of support tube as shown.
Introduction Set Screw Nipple (3/4" NPT) #6-32 Binding Head Screw & Washer Gasket Base Cap #6-32 Screw Chain #6-32 Screw Terminal Board Assembly A D B C View of Base with Cap Removed Wire LL ITY CE UCTIV COND a/n 23354 Figure 1-6 Universal Head 7/99 4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual 5
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 6 4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual 7/99
Specifications and Model Selection Guide 2. Specifications and Model Selection Guide 2.1 Specifications Cell Constants 0.01, 0.1,1.0, 5, 10, 20, 25 and 50 cm-1. Electrode Material Nickel or Platinum, as specified. Wetted Parts Cell Body: Polyethersulfone (PES). Electrodes: See above. Mounting Materials: Chlorinated Polyvinyl Chloride (CPVC). Internal Sealing Materials: Viton, Teflon & EPDM Pressure and Temperature (See Fig. 1-1) 125 psig (862 kPa) max. @ 23°F (-5°C) 90 psig (621 kPa) max.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual Integral Automatic Temperature Compensation Refer to Section 2.2 – Model Selection Guide Leadwire Tefzel covered, 18-gage cable (7 feet, 20 feet, or Universal Head, as specified). Weight Approximately 3.5 lb (1.6 Kg) (including cell). 2.
Specifications and Model Selection Guide 049 TABLE IV Leadwire Length TABLE V Valve/Cell Material 4909 Stainless Steel (SS) Valve Assembly 4908 PES Replacement Cell for 4909 SS Valve Assembly 4909 CPVC Valve Assembly 4908 PES Replacement Cell for CPVC Valve Assembly ’7 ft. Leadwire 20 ft.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 049 TABLE VII - OPTIONS Tagging None Linen Stainless Steel No Certificate of Calibration 0_ L_ S_ _0 _1 Yes Notes: 1. Replacement cells only, caution look at Restrictions for insertion depth dimensions based on valve assembly type. 2. When converting from 4806 to 4909, order 4908 directly. 3. Replacement 4908 cells for existing 4908’s and 4909’s manufactured before 8/85 must specify Table V = 02. 4.
Installation 3. Installation 3.1 Requirements To insure that a representative sample is being measured at all times, the solution must move through and completely purge out the cell channels or guard tube. If the measurement is made in a rapidly moving liquid, the existing circulation of the solution can be utilized by mounting the assembly as described in the next section so that the flow of the solution forces liquid through the cell.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual Allow at least 1/2 inch clearance beyond the end of the cell and 1/8 to 3/16 inch radius clearance surrounding the cell to permit circulation of the solution. Avoid locations where excessive temperature changes may occur. Allow clearance behind the support grip to permit removal of the cell per dimensions in Fig. 3-1 or 3-2. Locate the insertion/removal assembly on the pressure side of pumps; not the vacuum side.
Installation 3. Using a strap wrench on the mounting nipple, tighten the assembly an additional 1-1/2 to 2 turns. Do not use stillson or chain type wrenches as they may damage and weaken the CPVC plastic. Do not use the valve handle for leverage. 4. Close the ball valve; handle perpendicular to valve. A purge port is provided on the removal device housing. Water or some other fluid source can be piped to this port for the purpose of cleaning out the valve assembly from accumulated debris.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 3.5 Removal 1. REDUCE PROCESS PRESSURE TO 50 PSIG OR LESS. Shut off purge line, if used. Disconnect wiring connections if X1 is selected for Table IV in the MSG. 2. DO NOT STAND BEHIND THE TUBE WHEN PERFORMING THIS STEP. While holding the compression handle from turning, turn the support grip two turns counterclockwise.
Installation Approx 19.7" max. (502mm) X" See Below * Standard Insertion Depth Table I X" Approx. mm 5.5 140 001 5.5 01 140 140 5.5 1 5 114 4.5 5.7 10 145 20 152 6.0 25 173 6.8 50 173 6.8 Approx 12.5" (317mm) Approx 4.1" (105mm) 1/4" NPT Purge connection. Do not exceed Temp./Press. specifications of removal device 2.5" (64mm) * Add 6" (152 mm) to Dimensions if 074344 Support Tube is Used. 0.940" Dia (24mm) Temp. Comp. Shunt Comp. RED RED Temp. Comp.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual Approx 19.7" max. (502mm) X" See Below * Standard Insertion Depth Suffix A X" Approx. mm 140 5.5 001 01 5.5 140 140 5.5 1 5 114 4.5 5.7 10 145 20 152 6.0 25 173 6.8 50 173 6.8 Approx 12.5" (317mm) Approx 4.1" (105mm) 1/4" NPT Purge connection. Do not exceed Temp./Press. specifications of removal device 2.5" (64mm) Allow a minimum clearance of 36" (914 mm) beyond this point for removal of electrode.
Maintenance and Replacement Parts 4. Maintenance and Replacement Parts If a series of below normal conductivity readings or above normal resistivity readings occur, this may indicate that the cell is not filled with process solution. Check the cell installation. Refer to Sections 3.1 and 3.2. The only maintenance which may be required is occasional cleaning in certain applications. The 0.01, 0.1, and 1.0 cm-1 low constant electrodes are not platinized. 4.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 4.3 Replacement Parts Table 4-1 Replacement Parts Description Part Number Complete Assembly See Figs. 1-5 and 1-6 Cell Assembly Cat. 4908 Complete CPVC Removal Device 31074357 Universal Head Parts See Fig. 1-6 Platinizing Solution (3 oz. bottle) 31103011 Cell Guard Tube (0.01, 0.1, and 1.0 Constants Only) 065602 Support Tube, 1/2” NPT Sch. 80, CPVC (12” Immersion) 074344 Support Tube, 1/2” NPT Sch.
Platinization and Platinum Black 5. Platinization and Platinum Black Only the electrodes having constants from 5 to 50 must be replatinized if the velvety-black deposit has been rubbed off the electrodes in service or in cleaning, or if platinized electrodes are recommended and this black deposit is not present when the cell is received. Always replatinize if a brush was used in cleaning the electrodes.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual Four Point Terminal Plate with #6-32 Screw Terminals Five Point Terminal Board. Each Terminal Will Accept #16 Gage Max. Wire 1000 ft. max. Temp. Comp.
Platinization and Platinum Black Five Point Terminal Board. Each Terminal Will Accept #16 Gage Max. Wire Four Point Terminal Plate with #6-32 Screw Terminals SH G 1000 ft. max. R Note 3 Temp. Comp.
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual 20 ft. max. Five Point Terminal Board. Each Terminal Will Accept #16 Gage Max. Wire RED Temp. Comp. Cell GREEN Red Green WHITE Black White BLACK Cell cable is approx. .250" (6.4mm) O.D. max. with 4 conductors of #18 AWG wire, 7 or 20 foot length.
Platinization and Platinum Black Five Point Terminal Board. Each Terminal Will Accept #16 Gage Max. Wire SH G 20 ft. max. R G RED Temp. Comp. Red Green Black White GREEN WHITE Cell R W K W BLACK K Cell cable is approx. 0.250" (6.4mm) O.D. max. with 4 conductors of #18 AWG wire, 7 or 20 foot length.
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