Badger Recordall Nutating Disc Meter User Manual
Contents
1. 99 Hangzhong Road Minhang District Shanghai China 201101 86 21 5763 5412 Legacy Document IOM 067 05 EN 53400 0672. EN 06 Page 3 Unpacking and Inspection UNPACKING AND INSPECTION Upon receipt of meter perform the following NOTE If damage to the shipping container is evident request the carrier to be present when meter is unpacked 1 Carefully open the shipping container Remove all the cushioning material surrounding the meter and carefully lift the meter from the container Retain all of the packing material for possible use in reshipment or storage of the meter 2 Visually inspect the meter and the accessory device for any physical damage such as scratches loose or broken parts or any other damage that may have occurred during shipment of the product NOTE If damage is found upon receipt of the equipment request inspection by the carrier s agent within 48 hours of the delivery Then file a claim with the carrier A claim for the equipment damaged in transit is the responsibility of the customer INSTALLATION IMPORTANT The meter must be installed horizontally in the line with the registration upright Any special instructions required for the installation and or electrical connection of any meter mounted or freestanding accessory devices such as registers pulse transmitters and remote batch controllers will be provided as a supplement to this manual Please read the following instructions to become familiar with the requirements and the recommended procedures involved THE METER MUST BE OPERATED IN AN APPLICATION WITHIN THE SPECIFIED
3. TEMPERATURE RANGE TO OBTAIN OPTIMUM ACCURACY AND PREVENT DAMAGE TO ANY INTERNAL COMPONENTS 1 Verify the fluid operating temperature range is compatible with the materials of construction of the meter received THE LIFE OF THE METER WILL BE IMPAIRED IF IT IS OPERATED AT FLOW RATES IN EXCESS OF THOSE INDICATED IN THE PRODUCT SPECIFICATIONS 2 If any solid material is present in the liquid install a strainer upstream of the meter 3 Locate the meter installation with consideration for sufficient space for cleaning and maintenance of the meter 4 Review the overall dimensions including laying length requirements of the meter If necessary consider the height dimensions including the meter mounted accessory Then proceed as follows a Measure the overall length of the meter with the connection pieces attached to the inlet and outlet spuds of the meter b Be sure to provide this proper gap length in the facility piping Page4 RDM UM 01089 EN 06 September 2014 General Operating Instructions EXCESS GAP LENGTH MAY CAUSE EXCESSIVE STRAIN ON CONNECTION ASSEMBLIES c Remove the connections and install one connection piece in each end of the facility pipe gap provided in step 4b Allow for the gaskets at the inlet and the outlet spuds of the meter d Install the meter making sure that the flow arrow marking on the meter housing is in the correct relationship to the direction of the fluid flow in the system e Tighten the meter connec
4. housing as the bottom is removed 3 If the chamber assembly is out set it aside If not first remove the chamber strap and then remove the chamber assembly 4 Remove the meter screen Inspect the screen for dirt and corrosion Clean or replace the screen as necessary 5 Inspect the chamber assembly a Checkthe disc in the chamber assembly for warpage cracks or wear A severely worn disc can cause over delivery of the fluid being metered b Checkthe thrust roller and thrust roller insert for excessive wear After inspection clean or replace the chamber assembly as necessary If the chamber is worn or corroded replace the entire chamber and disc assembly 6 Re install the housing chamber assembly screen chamber strap and bottom as follows a Assemble the screen in the proper location b Position the chamber assembly in the proper orientation Add the chamber strap c Position the housing bottom with the correct seal Replacement of seal is always recommended d Assemble and tighten the bolts or retaining ring Alternative Disassembly Method for Service Loosen all the connection pieces slightly Turn the meter upside down putting gravity on your side This will help eliminate the possibility of the chamber assembly and or the screen component dropping during disassembly and causing damage Recalibration After repairing or replacing a meter component or assembly perform the calibration check and adjustment procedure to en
5. required to slow down the accessory X 100 104 Accuracy Page 6 RDM UM 01089 EN 06 September 2014 Maintenance Change Gear Calibration If the accuracy test of a meter accessory combination indicates that an adjustment is required and change gears are the medium for calibration proceed as follows 1 Remove applicable Driver Accessory change gear and Driven Meter change gear NOTE The number of teeth and outside diameter is stamped on each gear Accessory Device Meter Driver Accessory Driven Change Gear Change Gear Magnetic Gear Train Figure 2 Change gear locations on model RCDL meters 2 Calculate the ratio of the existing change gears as follows Ratio No of Teeth on Accessory Change gear No of Teeth on Meter Change gear 3 Calculate the new change gear ratio required by multiplying the ratio of existing change gears by the percent of the meter accuracy determined in the accuracy test Example Existing Change gear Ratio ree 0 976 43 Teeth Meter Accuracy 95 Corrected Change gear Ratio 0 976 x 0 927 100 4 If change gear charts are available select a new change gear combination that matches the corrected change gear ratio If new gears are not available submit an order for corrective change gears to the nearest Badger Meter Representative or contact the Industrial Division of Badger Meter Inc NOTE When ordering specify th
6. Recordall Industrial Meters Badger Meter Nutating Disc Meter RDM UM 01089 EN 06 September 2014 U S e r M a n u a Recordall Industrial Meters Nutating Disc Meter CONTENTS bajo Gee dat eo ae As Phaidon Gon Ole Bd am bee aa IR ew Ee Gee Got Oa Ge HO eH a a eS 3 Operating Principle iso 2m rra xor CEC RSI AEE RRR AS ERK RAE RS RE aw 3 Unpacking and INSPECTOR a xt am 4 eeu Goa ed oe Ga a oka Bao OA ew ey doa ead Gor Gone Soa e doa eee 4 Installation 53 2 Uy ae RUE aod A AA ROS IE Ret oa Rachel Gwe AD etui ada dra d ad 4 General Operating Instructions does pe e ae X d RON exe X OR ot a RN oO dx o oe Y a OE bud 5 Manual Operation sosi 3 9 a mai RR ceed ad a a deh A dpa heave STRA E IUD RC Ree UR RC RCNH ad 5 Accessory Controlled Operation 2 1 hh ur 5 Shutdown Instructions is ca nase HS SEGUE EC RUP CR ODE dep OR GLEUE E ARK RRA ERS eee Ree 5 Malmtemamee TT 6 Preventive Maintenance ss s sac aS anandi HOw ERED ARE X YO X p X y ew HR RE ROWS ERGO Rae 6 Calibration Check and Adjustment saes serar seinan eee 6 SERVICING usu ROUEN RO Ede a Bae eee a E gu Wm ER epa qe d ER d cs 8 Page2 RDM UM 01089 EN 06 September 2014 Description DESCRIPTION The Badger Meter Recordall RCDL positive displacement meters are one of the most cost effective methods in metering industrial fluids The RCDL meter has a simple efficient design for high accuracy and repeatability over the entire meter flow range Available in five si
7. Visually inspect the meter and teh accessory for missing hardware loose connections broken register glass damaged wiring or other signs of wear or deterioration Repair or replace components as required 2 Verify the proper flow rate and pressure for meter A loss in pressure with the resulting flow rate decrease may indicate the meter screen is clogged and requires cleaning Cleaning Clean all dust dirt grease moisture or other foreign material from the exterior of the meter and the accessory Calibration Check and Adjustment Follow these instructions to perform on site calibration checks and adjustments Accuracy Test Place a test tank of known volume at the output of the meter Fill the test tank to the calibrated level Make a test run at the same flow rate to be used in the actual operation Record the quantity indicated on the accessory Repeat the test three times and average the recorded results Perform the following calculations to determine the percent of accuracy of the meter accessory combination Qty Indicated on Accessory _ Actual Quantity in Test Tank PAU Nene CUNGGY wk WN Example 1 95 Gallons 100 Gallons In this example the meter mounted accessory is slow and the reading is low A calibration adjustment is required to speed up the accessory X 100 95 Accuracy Example 2 104 Gallons 100 Gallons In this example the meter mounted accessory is fast and running high A calibration adjustment is
8. e serial number of meter the meter model and size the accessory device employed the number of teeth and diameter of existing change gears and the corrected change gear ratio required 5 Observe the position of the old change gears on the spindles before removing them Install the new change gears on the meter and accessory spindles and assemble the accessory to meter Make sure you obtain full mesh when assembling the accessory to the meter gear train adapter Note the position information from the old gears September 2014 RDM UM 01089 EN 06 Page 7 Electronic Calibration If electronic scaling is the accessory medium for calibration see the accessory technical brief for instructions Servicing The following instructions are for removal inspection and installation of meter parts and assemblies Refer to applicable illustrated parts list for part numbers of components and ordering information Accessory service and repair procedures are provided in literature specific to that device Meter Disassembly Method These procedures are for disassembly of the meter 1 Shut off the fluid flow to meter Place a container under the meter and relieve fluid pressure in the meter by uniformly loosening the bolts bronze meter or the retaining ring plastic meter Fluid will run out into the container 2 Remove the bolts or the retaining ring while holding the housing bottom in place Remove the housing bottom The chamber assembly may drop from the
9. sure that the meter is properly calibrated and will operate in accordance with published specifications Control Manage Optimize Trademarks appearing in this document are the property of their respective entities Due to continuous research product improvements and enhancements Badger Meter reserves the right to change product or system specifications without notice except to the extent an outstanding contractual obligation exists 2014 Badger Meter Inc All rights reserved www badgermeter com The Americas Badger Meter 4545 West Brown Deer Rd PO Box 245036 Milwaukee WI 53224 9536 800 876 3837 414 355 0400 M xico Badger Meter de las Americas S A de C V Pedro Luis Ogaz n N 32 Esq Angelina N 24 Colonia Guadalupe Inn CP 01050 M xico DF M xico 52 55 5662 0882 Europe Middle East and Africa Badger Meter Europa GmbH Nurtinger Str 76 72639 Neuffen Germany 49 7025 9208 0 Europe Middle East Branch Office Badger Meter Europe PO Box 341442 Dubai Silicon Oasis Head Quarter Building Wing C Office C209 Dubai UAE 971 4 371 2503 Czech Republic Badger Meter Czech Republic s r o Maf kova 2082 26 621 00 Brno Czech Republic 420 5 41420411 Slovakia Badger Meter Slovakia s r o Racianska 109 B 831 02 Bratislava Slovakia 421 2 44 63 83 01 Asia Pacific Badger Meter 80 Marine Parade Rd 21 06 Parkway Parade Singapore 449269 65 63464836 China Badger Meter 7 1202
10. tions Note the instructions on packaging from connection assembly when tightening f To relieve any possible strain on the facility piping that might be caused by the weight of any of the large size meters consider incorporating a meter support under the housing of the meter To ensure that the meter has been properly installed and is operational 1 Slowly open the upstream valve to apply fluid pressure to the meter Check the connections for any possible leakage Retighten the connections as required 2 Perform a functional test of the meter following Calibration Check and Adjustment on page 6 GENERAL OPERATING INSTRUCTIONS In general the operation of a Model RCDL disc meter is either manually controlled or accessory controlled Manual operation applies to the applications employing hand operated valves or other manually activated flow regulating devices that are not functionally controlled by a meter accessory Accessory controlled operation applies to applications when a meter accessory provides a signal output to activate and or deactivate a valve or other flow control device VALVES CONTROLLING THE FLUID FLOW THROUGH THE METER SHOULD BE OPENED AND CLOSED SLOWLY TO PREVENT SHOCK LOADS THAT MAY DAMAGE THE METER MEASURING ELEMENT Manual Operation The following procedures are for use in simple metering applications where the flow of fluid is controlled by hand operated valves located upstream and downstream of the meter 1 Slo
11. wly open the upstream valve to apply fluid to the meter 2 Slowly open the downstream valve to initiate the metering operation 3 Adjust the downstream valve so the flow rate of the fluid does not exceed the maximum continuous flow rate specification of the meter NOTE On meters with an accessory device providing a totalizing indicator the flow rate of the fluid can be checked by timing the number of gallons registered in one minute 4 To stop metering slowly close the downstream valve then close the upstream valve Accessory Controlled Operation Operating procedures for accessory controlled applications are dependent on the specific function of that accessory employed and its electrical interconnection with a flow control device or devices Refer to the bulletin or bulletins covering the applicable accessories for specific operating instructions included as a supplement to this manual when required Shutdown Instructions If the meter is to be shut down for an extended period of time first flush out the measuring chamber of the meter to prevent the settling out of undissolved solids or the accumulation of corrosive deposits September 2014 RDM UM 01089 EN 06 Page 5 Maintenance MAINTENANCE Preventive Maintenance Preventive maintenance consists of periodic inspection and cleaning procedures Perform the procedures at regular intervals and correct any defects before resuming operation of the meter Periodic Inspection 1
12. zes 1 2 through 2 for flows up to 170 gpm these meters are extremely rugged and reliable Maintenance is seldom required but if necessary takes only a few minutes All parts are designed and built of materials that meet your application requirements and provide an enduring and a trouble free precision flow meter To complement the RCDL meter line Badger Meter offers a complete line of accessories that includes totalizers electromechanical and electronic endpoints rate of flow indicators and batch process controllers Operating Principle The metering principle known as positive displacement is based on the continuous filling and discharging of the measuring chamber Controlled clearances between the disc and the chamber provide precise measurement of each volume cycle As the disc nutates the center spindle rotates a magnet The movement of the magnet is sensed through the meter wall by a follower magnet or by various sensors Each revolution of the magnet is equivalent to a fixed volume of fluid which is converted to any engineering unit of measure for totalization indication or process control Liquid flowing through the meter chamber A causes a disc B to nutate or wobble This motion in turn results in the rotation of a spindle C and drive magnet D Rotation is transmitted through the wall of the meter to a second magnet E or varied style of sensor pickup Figure 1 Nutating disc operation September 2014 RDM UM 01089
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