Emerson Rosemount Annubar 3051SFA Reference Manual

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Reference Manual

00809-0100-4809, Rev DB

December 2024

Rosemount

™

Annubar

Flow Meter Series

Rosemount 585 Severe

Service Annubar Primary

Rosemount 2051CFA

Element

Rosemount 3051SFA

Annubar Flowmeter

Rosemount 485

Annubar Primary

Rosemount 3051CFA

Element

Annubar Flowmeter

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Page 1 Reference Manual 00809-0100-4809, Rev DB December 2024 Rosemount ™ Annubar ® Flow Meter Series Rosemount 585 Severe Service Annubar Primary Rosemount 2051CFA Element Rosemount 3051SFA Annubar Flowmeter Annubar Flowmeter Rosemount 485 Annubar Primary Rosemount 3051CFA Element Annubar Flowmeter...
Page 2 For information on Emerson nuclear-qualified products, contact your local Emerson Sales Representative. This device is intended for use in temperature monitoring applications and should not be used in control and safety applications.
Page 3: Table Of Contents
4.3 Pak-Lok, Flange-Lok, and Flo-Tap maintenance..............88 4.4 Gas entrapment.........................89 4.5 Dirt accumulation........................89 4.6 Main steam line Annubar sensor maintenance..............91 Chapter 5 Troubleshooting........................93 5.1 Basic troubleshooting.......................93 5.2 Return of materials........................95 Chapter 6 Reference data........................97 6.1 Product certifications........................97 6.2 Ordering information, specifications, and drawings............97 www.Emerson.com...
Page 4 Contents Reference Manual December 2024 00809-0100-4809 www.Emerson.com...
Page 5: Chapter 1 Introduction
Information in this manual applies to circular pipes only. Consult Rosemount Customer Central for instructions regarding use in square or rectangular ducts. 1.2 Product recycling/disposal When possible, recycle equipment or packaging when finished. Dispose of equipment and packaging in accordance with local and national legislation/regulations. www.Emerson.com...
Page 6 Introduction Reference Manual December 2024 00809-0100-4809 www.Emerson.com...
Page 7: Chapter 2 Installation
If pipe/duct wall is less than 0.125 in. (3.2 mm), use extreme caution when installing sensor. Thin walls can deform during welding, installation, or from the weight of a cantilevered flow meter. These installations may require a fabricated outlet, saddle, or external flow meter support. Consult factory for assistance. www.Emerson.com...
Page 8: Receiving And Inspection
When shipment is received, verify the packing list against both the material received and the purchase order. All items are tagged with a: • sales order number • serial number • customer tag number Report any damage to the carrier. www.Emerson.com...
Page 9: Considerations
— with a maximum misalignment of 3 degrees (see Figure 2-1). NOTICE Potential measurement errors Misalignment exceeding 3 degrees causes flow measurement errors. Figure 2-1: Permissible Misalignment 3° max. 3° max. 3° max. www.Emerson.com...
Page 10 3 in. (76 mm) clearance is required for cover removal. Cover installations To ensure a proper seal, always install the electronics housing covers metal-to-metal. Figure 2-2: Transmitter Housing Rosemount 3051S Rosemount 3051C Transmitter Rosemount 2051C Transmitter ™ MultiVariable Transmitter ™ www.Emerson.com...
Page 11: Installation Flowchart And Checklist
An installation checklist is provided after Figure 2-3 to verify that all critical steps have been taken in the installation process. The checklist numbers are indicated in the flowchart. www.Emerson.com...
Page 12 Finish The following is a summary of the steps required to complete a flow meter installation. If: • this is a new installation, begin with Step 1 • the mounting is already in place, then: www.Emerson.com...
Page 13 9. Check the setup of the instrument assembly to the pipe. 10. Install the flow meter. 11. Wire the instrument. 12. Supply power to the flow meter. 13. Perform a trim for mounting effects. 14. Check for leaks. 15. Commission the instrument. www.Emerson.com...
Page 14: Mounting
(Optional) If flange adapters are ordered, four 2.88 in. (73.2 mm) flange/adapter bolts for mounting the flange adapters to the coplanar flange. Stainless steel bolts supplied by Rosemount Inc. are coated with a lubricant to ease installation. Carbon steel bolts do not require lubrication. Do not apply additional lubricant www.Emerson.com...
Page 15: Instrument Manifolds
Although a 3-valve manifold can be used, a 5-valve manifold is recommended. www.Emerson.com...
Page 16 Manifold Equalizer – High Pressure Allows high and low pressure side access to the vent valve, or for isolating the process fluid Manifold Equalizer – Low Pressure Manifold Equalizer Allows high and low side pressure to equalize Manifold Vent Valve Vents process fluid www.Emerson.com...
Page 17: Straight Run Requirements
In plane A Out of A’ C’ plane A Single elbow N/A Single elbow with straightening vanes Double elbows in plane Double elbow in plane with straightening vanes Double elbows out of plane Double elbows out of plane with straightening vanes www.Emerson.com...
Page 18 • Straightening vanes may be used to reduce the required straight run length. • The last row in Table 2-3 applies to gate, globe, plug, and other throttling valves that are partially opened, as well as control valves. www.Emerson.com...
Page 19: Flow Meter Orientation
For a remote mounted transmitter, mount the transmitter below the process piping, adjust 10° to 15° above direct vertical down. Route the impulse piping down to the transmitter and fill the system with cool water through the two cross fittings. www.Emerson.com...
Page 20 Vertical pipe installations require more frequent bleeding or venting, depending on the location. For a remote mounted transmitter, secure the transmitter above the Annubar sensor to prevent condensible liquids from collecting in the impulse piping and the DP cell. www.Emerson.com...
Page 21 3. Route the impulse piping down to the transmitter. 4. Fill the system with cool water through the two cross fittings. Top mounting for steam applications is an appropriate mounting option in many cases. For instructions regarding steam on top mounting, consult Rosemount Customer Central . www.Emerson.com...
Page 22 Figure 2-9: Steam Applications Direct mount Horizontal steam Vertical steam 360° 45° 45° Recommended Recommended 30° zone 30° zone 30° Note Downward flow is not recommended. Remote mount Horizontal steam Vertical steam www.Emerson.com...
Page 23: Remote Mounted Transmitter
Piping used to connect the Annubar sensor and transmitter must be rated for continuous operation at the pipeline-designed pressure and temperature. • Impulse piping that runs horizontally must slope at least 1 in. per foot (83 mm/m). (1) Consult with RCC to determine if this installation is right for your application. www.Emerson.com...
Page 24 • Use an appropriate pipe sealing compound rated for the service temperature on all threaded connections. When making threaded connections between stainless steel fittings, Loctite Sealant is recommended. ® ® www.Emerson.com...
Page 25: Flo-Tap Models
Reference Manual Installation 00809-0100-4809 December 2024 2.5.8 Flo-Tap models Figure 2-11: Gas Service Direct mount Horizontal gas Vertical gas 360° Recommended zone 30° Remote mount Horizontal gas Vertical gas www.Emerson.com...
Page 26 Installation Reference Manual December 2024 00809-0100-4809 Liquid Figure 2-12: Liquid Service Direct mount Horizontal liquid Vertical liquid 360° Note: Downward flow is not recommended. 30° Recommended zone Remote mount Horizontal liquid Vertical liquid www.Emerson.com...
Page 27 Reference Manual Installation 00809-0100-4809 December 2024 Steam Figure 2-13: Steam Direct mount Horizontal steam Vertical steam 360° Note Downward flow is not recommended. 30° Recommended zone Remote mount Horizontal steam Vertical steam www.Emerson.com...
Page 28: Installation
Flanged with opposite side support Annubar sensor type (for 485 and 585 Annubar Flow Meters) • Flange-Lok model (for 485 Annubar Flow Meters) • Threaded Flo-tap (for 485 Annubar Flow Meter) • Flanged Flo-tap (for 485 and 585 Annubar Flow Meters) • Flanged Flo-tap (for 485 and 585 Annubar Flow Meters) www.Emerson.com...
Page 29: Pak-Lok Annubar Sensor Type (For 485 Annubar Flow Meters)
Transmitter and housing are shown for clarity purposes – only supplied if ordered. A Direct mount transmitter connection with valves Coplanar flange with drain vents B Nuts O-rings (2) C Follower Compression plate D Packing rings (3) Retaining ring E Studs 485 Annubar sensor F Transmitter Pak-Lok body www.Emerson.com...
Page 30: Step 1: Determine The Proper Orientation
If the distance is greater than 1 in. (25.4 mm), it is the opposite-side model.) To drill the second hole, follow these steps: a) Measure the pipe circumference with a pipe tape, soft wire, or string. www.Emerson.com...
Page 31: Step 3: Weld The Mounting Hardware
1/16 in. (1½ mm) and place four ¼ in. (6 mm) tack welds at 90° increments. Insert the sensor into the mounting hardware. Verify that the tip of the bar is centered in the opposite side fitting and verify that www.Emerson.com...
Page 32 When performing this step, do not damage the split packing rings. 10. Push the packing ring into the Pak-Lok body and against the weld lock ring. Repeat this process for the two remaining rings, alternating the location of the packing ring split by 180°. www.Emerson.com...
Page 33 Place the included split-ring lock washer between each of the nuts and the compression plate. Give each nut 180° turn in succession until the split-ring lock washer is flat between the nut and the compression plate. Sensor size Torque 40 in./lb (4.52 Nm) 100 in./lb (11.30 Nm) 250 in./lb (28.25 Nm) www.Emerson.com...
Page 34 Split ring lock washer Compression plate Note Pak-Lok sealing mechanisms generate significant force at the point where the sensor contacts the opposite pipe wall. To avoid damage to the pipe, exercise caution on thin-walled piping (ANSI Schedule 10 and below). www.Emerson.com...
Page 35: Step 5: Mount The Transmitter
• Align the high side of the transmitter to the high side of the probe (“Hi” is stamped on the side of the head) and install. • Tighten the nuts in a cross pattern to 400 in-lb. (45 N-m). www.Emerson.com...
Page 36 Step 1: Determine the proper orientation Refer to Mounting for straight run requirements and orientation information. Step 2: Drill a hole into the pipe Procedure 1. Determine the drill hole size based on the sensor size of sensor width. 2. Depressurize and drain the pipe. www.Emerson.com...
Page 37 Measure the pipe circumference with a pipe tape, soft wire, or string (for the most accurate measurement the pipe tape needs to be perpendicular to the axis of flow). b) Divide the measured circumference by two to determine the location of the second hole. www.Emerson.com...
Page 38 4. Measure the distance from the end of the transferred length in Step 3 to the last sensing hole, port A. Note Small discrepancies can be compensated for with the fit-up of the mounting hardware. Large discrepancies may cause installation problems or error. Compare the numbers obtained in Step 3 and Step 4. www.Emerson.com...
Page 39 Table 2-7: 485 and 585 Flange Sizes and ODF per Sensor Size 485 Sensor size 585 Sensor size Flange type Pressure class Flange size/ rating/ in. (mm) type 1½ in. 150# RF 3.88 (98.6) 1½ in. 300# RF 4.13 (104.9) 1½ in. 600# RF 4.44 (112.8) www.Emerson.com...
Page 40 3.0 in. 300# RF 5.00 (127.0) 3.0 in. 600# RF 5.38 (136.7) 4.0 in. 900# RF 8.19 (208.0) 4.0 in. 1500# RF 8.56 (217.4) 4.0 in. 2500# RF 11.19 (284.2) 3.0 in. 150# RTJ 4.81 (122.2) 3.0 in. 300# RTJ 5.25 (133.4) www.Emerson.com...
Page 41 1. If opposite side support is threaded, apply an appropriate thread sealing compound to the support plug threads and tighten until no leakage occurs. 2. Align the flow arrow on the head with the direction of flow. Assemble the Annubar sensor to the mounting flange using a gasket, bolts, and nuts. www.Emerson.com...
Page 42 4. Align the high side of the transmitter to the high side of the probe (“Hi” is stamped on the side of the head) and install. 5. Tighten the nuts in a cross pattern to 400 in-lb. (45 N-m). www.Emerson.com...
Page 43: Flange-Lok Model (For 485 Annubar Flow Meters)
Compression plate valves Flange-Lok assembly C Follower 485 Annubar sensor D Packing rings (3) Mounting flange assembly E Studs Nuts F Gasket G Transmitter Step 1: Determine the proper orientation Refer to Mounting for straight run requirements and orientation information. www.Emerson.com...
Page 44 Then, using the number calculated in the preceding step, mark the center of what will become the second hole. d) Using the diameter determined from Table 2-8, drill the hole into the pipe with a hole saw or drill. www.Emerson.com...
Page 45 2.0 in. 150# RF 4.13 (104.9) 2.0 in. 300# RF 4.38 (111.3) 2.0 in. 600# RF 4.75 (120.7) 2.0 in. 900# RF 5.88 (149.4) 2.0 in. 1500# RF 5.88 (149.4) 3.0 in. 2500# RF 9.88 (251.0) 2.0 in. 150# RTJ 4.31 (119.5) www.Emerson.com...
Page 46 3. If opposite side support is being used, center the fitting for the opposite side support over the opposite side hole, gap 1/16 in. (1.5 mm) and place four ¼ in. (6-mm) tack welds at 90° increments. Insert the sensor into the mounting hardware. www.Emerson.com...
Page 47 Take care not to damage the split packing rings. 9. Push the packing ring into the Flange-Lok body and against the weld retaining ring. Repeat this process for the two remaining rings, alternating the location of the packing ring split by 180°. www.Emerson.com...
Page 48 Inspect the unit for leakage; if any exists, tighten the nuts in one-quarter (1/4) turn increments until there is no leakage. Note On sensor size (1), failure to use the split-ring Lock washers, improper washer orientation, or over-tightening the nuts may result in damage to the flow meter. www.Emerson.com...
Page 49 Flange-Lok sealing mechanisms generate significant force at the point where the sensor contacts the opposite pipe wall. Caution needs to be exercised on thin-walled piping (ANSI Schedule 10 and below) to avoid damage to the pipe. Figure 2-26: Complete Installation of Flange-Lok Packing rings (3) Weld ring Follower www.Emerson.com...
Page 50 4. Align the high side of the transmitter to the high side of the Annubar sensor (“Hi” is stamped on the side of the head) and install. 5. Tighten the nuts in a cross pattern to 400 in-lb. (45 N-m). www.Emerson.com...
Page 51: Threaded Flo-Tap (For 485 Annubar Flow Meter)
D Direct mount transmitter connection with valves Packing gland E Head plate Packing F Drive rods Follower G Threaded pipe fitting Compression plate H Guide nipple O-rings (2) Step 1: Determine the proper orientation Refer to Mounting for straight run requirements and orientation information. www.Emerson.com...
Page 52 If the mounting alignment is within tolerances, finish weld per local codes. If outside of tolerances, make adjustments prior to making the finish weld. 3. To avoid serious burns, allow mounting hardware to cool before continuing. Figure 2-28: Alignment Tack weld www.Emerson.com...
Page 53 Flo-Tap is installed, the insertion rods will straddle the pipe and the valve handle will be centered between the rods (see Figure 2-29). Note Interference will occur if the valve is located inline with the insertion rods. Figure 2-29: Install the Isolation Valve Isolation valve www.Emerson.com...
Page 54 4. Check isolation valve and mounting for leakage. Step 6: Mount the Annubar sensor Procedure 1. Install the complete Flo-Tap assembly (fully retracted) onto the isolation valve by threading the close nipple into the valve using the proper thread sealant compound. www.Emerson.com...
Page 55 Figure 2-30. The nuts must be tightened alternately, about two turns at a time to prevent binding caused by unequal loading. 3. Continue this procedure until the tip of the probe firmly contacts the opposite side of the pipe. www.Emerson.com...
Page 56 3. Secure the drive by inserting the drive lock pin as shown in Figure 2-31. Note Do not place a finger above the packing gland for high temperature applications. Figure 2-31: Insert Annubar Sensor Manual drive (M) Gear drive (G) Lock nuts Drive nuts Drive lock pin www.Emerson.com...
Page 57 1. Remove the drive lock pin. 2. Retract the sensor by rotating the crank counter-clockwise. If a power drill with an adapter is used, do not exceed 200 rpm. 3. Retract until the rod end nuts are against the packing body mechanism. www.Emerson.com...
Page 58 B Transmitter Isolation valve C O-rings (2) Cage nipple D Temperature sensor connection housing Support plate E Direct mount transmitter connection with valves Packing gland F Head plate Packing G Drive rods Follower H Mounting flange assembly Compression plate www.Emerson.com...
Page 59 2.0 in. 600# RF 4.75 (120.7) 2.0 in. 900# RF 5.88 (149.4) 2.0 in. 1500# RF 5.88 (149.4) 3.0 in. 2500# RF 9.88 (251.0) 2.0 in. 150# RTJ 4.31 (119.5) 2.0 in. 300# RTJ 4.63 (117.6) 2.0 in. 600# RTJ 4.81 (122.2) www.Emerson.com...
Page 60 3. If the mounting alignment is within tolerances, finish weld per local codes. If outside of tolerances, make adjustments prior to making the finish weld. 4. To avoid serious burns, allow the mounting hardware to cool before continuing. www.Emerson.com...
Page 61 2. Mount the drilling machine to the isolation valve. 3. Open the valve fully. 4. Drill the hole into the pipe wall in accordance with the instructions provided by the drilling machine manufacturer. 5. Retract the drill fully beyond the valve. www.Emerson.com...
Page 62 Step 5: Remove the drilling machine Procedure 1. Verify that the drill has been fully retracted past the valve. 2. Close the isolation valve to isolate the process. 3. Bleed drilling machine pressure and remove. 4. Check isolation valve and mounting for leakage. www.Emerson.com...
Page 63 UNC) are provided on the support plate for external support. Figure 2-35: Flo-Tap Installation Support plate Isolation valve Step 7: Insert the Annubar sensor Insert the sensor with one of the two drive options available – manual (M) or gear drive (G). www.Emerson.com...
Page 64 When movement stops, the sensor is in contact with the opposite side wall. c) Turn the handle an additional ¼ to ½‑turn to secure the sensor. 3. Secure the drive by inserting the drive lock pin as shown in Figure 2-36. www.Emerson.com...
Page 65 2. Align the high side of the transmitter to the high side of the sensor (“Hi” is stamped on the side of the head) and install. 3. Tighten the nuts in a cross pattern to 400 in-lb. (45 N-m). www.Emerson.com...
Page 66: Main Steam Line (For 585 Annubar Flow Meters)
5. Tighten the nuts in a cross pattern to 400 in-lb. (45 N-m). 2.6.6 Main steam line (for 585 Annubar Flow Meters) Figure 2-37 identifies the components of the Main Steam Annubar sensor assembly. www.Emerson.com...
Page 67 Drill 2½ in. (64 mm) hole. Drill hole has a tolerance of +1/16 in. or -0 in. (1.6 mm or -0 mm). 3. After the hole is drilled, deburr the hole on the inside of the pipe. www.Emerson.com...
Page 68 Step 3: Weld the mounting hardware An alignment bar is needed during the welding of the heavy wall weldolets to the steam pipeline. The alignment bar can be ordered from Emerson Process Management. Procedure 1. Weld the heavy wall weldolet to the packing gland assembly with a full penetration- groove weld.
Page 69 When installed, the 585 will have a dimension of 29.6 in. (752 mm) from pipe OD to top of head. 4. The last thing to be done is to tighten the packing gland nuts to 25 to 30 ft-lbs. (34 to 41 N-m). See Figure 2-36. www.Emerson.com...
Page 70 — Note In some cases, the primary instrument valve may be supplied by Emerson Process Management with the Annubar sensor. Use only valves and fittings rated for the design pressure and temperature.
Page 71 The piping used to connect the sensor probe and transmitter must be rated for continuous operation at the pipeline-designed pressure and temperature. A minimum of ½ in. (12 mm) OD stainless steel tubing with a wall thickness of at least 1/16 in. (1.6 mm) is recommended. www.Emerson.com...
Page 72: Wire The Transmitter
2. Connect the lead that originates at the positive side of the power supply to the terminal marked “+” and the lead that originates at the negative side of the power supply to the terminal marked “–.” Avoid contact with the leads and terminals. www.Emerson.com...
Page 73: Chapter 3 Commissioning
Rosemount 3051S 00809-0100-4803 ™ MultiVariable Mass and ™ Energy Flow Transmitter Rosemount 3051S Pressure 00809-0100-4801 00809-0200-4801 Transmitter Rosemount 3095 MultiVariable 00809-0100-4716 00809-0100-4716 Mass Flow Transmitter Rosemount 3051 Pressure 00809-0100-4001 00809-0100-4774 00809-0100-4797 Transmitter Rosemount 2051 Pressure 00809-0100-4101 00809-0200-4101 Transmitter www.Emerson.com...
Page 74: Commissioning The Annubar Sensor
3.98 mA to 4.02 mA then perform a zero trim procedure as described in the transmitter manual. 7. After the zero trim, if the signal reads outside of the range 3.98 mA to 4.02 mA, repeat Step 1 - Step 6. 8. Close the Equalizer valve ME. www.Emerson.com...
Page 75 9. After the zero trim, if the signal reads outside the range 3.98 mA to 4.02 mA, repeat Step 1 - Step 7. 10. Close low side equalizer valve MEL. 11. Close high side equalizer valve MEH. 12. Open low side manifold valve ML. www.Emerson.com...
Page 76 “pipe” pressure. Procedure 1. Open high and low manifold valves MH and ML. Refer to Figure 3-2 for valve designations. 2. Open high side equalizer valve MEH. www.Emerson.com...
Page 77 2, and trim sensor if necessary. 15. Open the manifold high side valve MH. 16. Close equalizer valve ME (for 5-Valve Manifolds first close valve MEL, then close valve MEH). 17. Open the manifold low side valve ML. The system is now operational. www.Emerson.com...
Page 78 4. Check the transmitter zero by noting the output. If the signal reads outside of the range 3.98 mA to 4.02 mA then, perform a zero trim. 5. Close the Equalizer valve ME. 6. Open the low side valve ML, ensure that the high side valve MH is open. The system is now operational. www.Emerson.com...
Page 79: Remote Mount Transmitter
The gas pressure must be below the maximum allowed, but at least equal to the normal operating pressure in order to reveal potential leaks. A typical pressure used is 100 psig (690 kPa). Before pressurizing the system, check for leaks by doing the following: www.Emerson.com...
Page 80 3. Slowly open the low side primary instrument valve PL and then the high side primary instrument valve PH. 4. For 3-valve manifolds: a) Open drain/vent valves DVL and DVH to bleed air out of system. Bleed until no air is apparent in the liquid. b) Close valves DVL and DVH. www.Emerson.com...
Page 81: Gas Service
Close vent valve MV once verified. Gas service The following procedures assume the process pipe is pressurized to normal operating pressure and should be followed to obtain a true zero at static or “pipe” pressure. www.Emerson.com...
Page 82 For 5-valve manifolds only: Open vent valve MV. If valve MV is leaking, valves MEH and/or MEL are not fully closed or require repair. This must be done before taking any readings. Close vent valve MV once verified. Figure 3-5: Remote Mount Gas Application www.Emerson.com...
Page 83 For 5-valve manifolds only: Open vent valve MV. If valve MV is leaking, valves MEH and/or MEL are not fully closed or require repair. This must be done before taking any readings. Close vent valve MV once verified. www.Emerson.com...
Page 84 1. Close primary instrument valves, PH and PL. 2. Remove plugs on tee fittings. 3. Check transmitter zero by noting output. Perform zero trim procedure, if necessary. 4. Re-install plugs on tee fittings. 5. Open primary instrument valves, PH and PL. www.Emerson.com...
Page 85: Operation And Maintenance
7. Install the new RTD and thread finger tight plus 1/8 of a turn. Thread the wires through the nipple. Note it may be easier to remove the terminal block from the temperature housing to reinsert the RTD wires. 8. Using appropriate thread lubricant, reinstall the ½ in. NPT plug. www.Emerson.com...
Page 86: Remote Mount
6. Pull the RTD wire out of the nipple and remove the RTD. The RTD is in a thermowell. No live line pressure will be present. 7. Install the new RTD and thread the wires through the nipple. 8. Using the appropriate thread lubricant or tape, install the terminal housing onto the remote head. www.Emerson.com...
Page 87: Electrical Rtd Check Procedure
1. Using an Ohm meter or a Multimeter, test for each wire of the RTD to the sheath for a resistance value. If the RTD is installed in the Annubar sensor, test to the instrument connections of Annubar sensor instead of the sheath of the RTD. All tests www.Emerson.com...
Page 88: Pak-Lok, Flange-Lok, And Flo-Tap Maintenance
Re-tighten the packing gland nuts to ensure that the packing is sufficiently tightened. If excessive vibration is still present, contact an Emerson Process Management representative. • If the packing rings appear brittle, old, or compressed beyond further use, a new set of rings should be ordered for replacement.
Page 89: Gas Entrapment
Vents can usually be installed at any time. Contact your Emerson Process Management representative for more details. 4.5 ...
Page 90 Annubar primary element. Ear protection is also recommended for all personnel in the vicinity of the system being purged. See figure for sample set-up. Figure 4-4: Impulse Tube Arrangement for Purge To high side of secondary element To low side of secondary element To external source of fluid pressure www.Emerson.com...
Page 91: Main Steam Line Annubar Sensor Maintenance
Meters come into contact with, it should be removed and inspected annually to check for wear. Emerson Process Management recommends a visual inspection and a Dye Penetrant; examine to identify any cracks or wear on the Annubar sensor. After the Annubar sensor is inspected, it is recommended to replace the packing rings to ensure a proper seal.
Page 92 Operation and Maintenance Reference Manual December 2024 00809-0100-4809 www.Emerson.com...
Page 93: Chapter 5 Troubleshooting
Verify DP sensor has been zeroed properly. properly or not configured • Verify transmitter range is correct, and if properly square root output is correct. • Verify Annubar sensor calc sheet represents fluid density properly so that transmitter is configured correctly for the application. www.Emerson.com...
Page 94 Verify that the mounting hardware is with Annubar sensor mounting centered over pipe hole. hardware • If necessary, re-install mounting hardware. Hole was torch-cut (pipe • Re-Drill the hole in a different location as fragments blocking hole) specified in the installation instructions found Installation www.Emerson.com...
Page 95: Return Of Materials
Instructions and procedures that are necessary to return goods that were exposed to hazardous substances Note If a hazardous substance is identified, a Material Safety Data Sheet (MSDS), required by law to be available to people exposed to specific hazardous substances, must be included with the returned materials. www.Emerson.com...
Page 96 Troubleshooting Reference Manual December 2024 00809-0100-4809 www.Emerson.com...
Page 97: Chapter 6 Reference Data
Product certifications To view current product certifications for your product, follow these steps: Procedure 1. Using the Search function at www.Emerson.com, locate and navigate to the catalog page for your product. 2. Scroll as needed to the green menu bar.
Page 98 Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.

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