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Related Manuals for Omega Engineering FTB100 Series
Summary of Contents for Omega Engineering FTB100 Series
- Page 1 FTB100 and FTB200 Series Liquid Turbine Flowmeters...
- Page 2 FAX: +44 (0) 161 777-6622 e-mail: sales@omega.co.uk It is the policy of OMEGA Engineering, Inc. to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.
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Page 3: Table Of Contents
CONTENTS Introduction --------------------------------------------------------------- 2 Specifications (Liquid Turbine) --------------------------------------- 3 Model Number ------------------------------------------------------------ 4 Principal of Operation--------------------------------------------------- 5 Material Selection and Construction ---------------------------------- 6 Flowmeter Calibrations ------------------------------------------------- 6 Installation ----------------------------------------------------------------- 7 Maintenance and Troubleshooting----------------------------------- 10 Pickup Coil Testing----------------------------------------------------- 10 Bearing Testing --------------------------------------------------------- 10 Bearing Replacement--------------------------------------------------- 12... -
Page 4: Introduction
1. Introduction The following information is provided for the proper installation and maintenance of your instrument. -
Page 5: Specifications (Liquid Turbine)
2. Specifications Over-range: 150% of maximum flow (intermittently) Turn Down Range: 10:1 Linearity: ±0.5% of reading typical Repeatability: ±0.1% of reading over repeatable range Temperature Range: -268 to 232°C (-450 to 450°F) End Fittings: Standard: NPT Optional: MS flared and flanged styles Bearing Styles: Self lubricating, ceramic hybrid ball bearings Materials:... -
Page 6: Model Number
3. Model Number... -
Page 7: Principal Of Operation
4. Principal of Operation Riser Pickup Coil (Threaded) Rotor Flow Straightener Deflector Cones The turbine flow sensor consists of a rotor assembly which is supported on a shaft held in place by triple tube clusters and secured with locking nuts within the flowmeter housing. The rotor is free to spin on a self lubricated ceramic ball bearing. -
Page 8: Material Selection And Construction
The number of pulses generated per unit of volume is called the calibration factor or K-Factor. This calibration factor is used to calculate flowrate and total amount of flow. Material Selection and Construction The housing is made of 316 stainless steel. The rotor is made of 17.4 pH stainless steel. -
Page 9: Installation
5. Installation Inspect all packages for any indications of damage which may have occurred during shipment. Verify that all meter parts or auxiliary components have arrived with the shipment. Refer to the packing list/invoice for a detailed list of items included in the shipment. The flowmeter may be installed horizontally or vertically for liquid service without affecting the meter calibration. - Page 10 A typical flowmeter installation is shown below: BYPASS RUN Bypass Valve Strainer Flow Straighener Turbine Flowmeter Blocking Valve Blocking Valve METER RUN Figure 1: Typical Flowmeter Installation Blocking and Bypass valves should be installed if it is necessary to do preventive maintenance on the flowmeter without shutting down the flow system.
- Page 11 To maintain an accurate flow measurement it is necessary to maintain a downstream pressure sufficient to prevent flashing/cavitation. Flashing of the liquid will result in an indication of flow significantly higher than the actual flow. In order to eliminate this condition adequate downstream pressure must be maintained.
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Page 12: Maintenance And Troubleshooting
Maintenance and Troubleshooting Pickup Coil Testing Testing the pickup coil requires measuring the resistance with an ohmmeter. 1. Measure the resistance between pin A and pin B. The resistance should be approximately as listed in the following table. 2. The resistance from any pin to the case should be greater than 1 mega Ohm. - Page 13 The shielded, self lubricating 440c SS ball bearings may be changed in the field. Rotor Bearing Cone Shaft Hanger/Flow Straightener Lock Nut Figure 1 Exploded View - Flowmeter Internals -11-...
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Page 14: Bearing Replacement
Bearing Replacement 1. Move the flowmeter to a clean stable work surface. 2. Using two “Spin-Tite” wrenches, remove one lock nut from the shaft. 3. Place a small head stove bolt in a vise. Guide the bolt head gently through one of the hanger/flow straightener tubes and in a smooth firm stroke remove the hanger from the housing. - Page 15 OMEGA is a registered trademark of OMEGA ENGINEERING, INC. © Copyright 2011 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without...
- Page 16 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors Infrared Pyrometers PRESSURE, STRAIN AND FORCE Transducers &...