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Flomec G Series Product Owners Manual
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GNP, GNT
GSCP
GFP, GFT
G-SERIES TURBINES
(Industrial and Chemical Models)
(GFP, GFT, GNP, GNT, GSCP)
11/2021
921977-01 Rev. E

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Summary of Contents for Flomec G Series

  • Page 1 GNP, GNT GSCP GFP, GFT G-SERIES TURBINES (Industrial and Chemical Models) (GFP, GFT, GNP, GNT, GSCP) 11/2021 921977-01 Rev. E...
  • Page 2: Table Of Contents

    To the owner… Congratulations on receiving your FLOMEC® G-Series Turbine. We are pleased to provide you with a product designed to give you maximum reliability and efficiency. Our business is the design, manufacture, and marketing of liquid handling, agricultural, and recreational products. We succeed because we provide customers with innovative, reliable, safe, timely, and competitively priced products.
  • Page 3: General Information

    Each pulse is equal to a given volume of liquid; therefore “x” number of pulses are equal to a gallon, litre, pound, barrel, etc. Turbine Sizing FLOMEC G-Series Turbines are identified by the internal diameter of the inlet and outlet. Model 050 ½ in.
  • Page 4: Installation

    INSTALLATION Turbine flowmeters are affected by both upstream and downstream process configurations. Turbine flowmeters should always be installed with a minimum of 10 pipe diameters upstream and 5 pipe diameters downstream. The only exception is the placement of the pumps, valves, etc., on the upstream end. When this occurs, 20 diameters of straight pipe should be used.
  • Page 5: Maintenance

    When there is entrained air in the process line, an air eliminator should be used. This entrained air causes air pockets and these air pockets will cause the rotor to spin at a faster rate than liquid, thus resulting in in- correct readings, which results in an overstatement of actual flowrate and volume.
  • Page 6 This is important when installing the rotor and also denotes the direction in which the turbine flowmeter was calibrated. NOTE: FLOMEC rotors are tapered on one end (except ½" and ¾"). The tapered end should be installed on the inlet side (see Figure 1). The ½" and ¾"...
  • Page 7 2. Place the rotor with the shaft in the support that has not been installed. Hold the turbine flowmeter body with the open end down, and slide the rotor and support into the turbine flowmeter body. Make sure the vane is placed between the notches.
  • Page 8 Replacement Kits for Industrial Turbine Flowmeters Tungsten Carbide* High Density Plastic* Flow Range Size Model Part No. Model Part No. (Gallons Per Minute) ½ in. 0.6 - 6.0 GPM 80508032 ½ in. 0.6 - 6.0 GPM GSCP 80508032 ½ in. 0.8 - 6.0 GPM 80518031 80518032...
  • Page 9 Magnetic Pickups FLOMEC offers two types of magnetic pickups: Standard and Wire Lead. (See Figure 3.) When choosing a magnetic pickup, the turbine meter and electronics are generally already known. Electronics can be either Local or Remote. Remote electronics include FLOMEC Remote Displays or output to customer-supplied equipment.
  • Page 10 Magnetic Pickup Enclosures Figure 4 Pickup Enclosures are optional on G- Series Sanitary Turbine Meters. Choose from two versions of weatherproof pickup enclosures (see Figure 4): • Model N4AWP - Part No. 80001101, Zinc Plated Steel • Model N4SWP - Part No. 80001105, 316 Stainless Steel Cable Assemblies (Connector Included) Cable Length Selection Guide...
  • Page 11 FLOW RANGES Gallons Per Minute Litres Per Minute Size Frequency Output Min. Max. Min. Max. ½ in. 100 - 1000 Hz ½ in. 125 - 1000 Hz ¾ in. 100 - 1000 Hz ¾ in. E 100 - 1000 Hz 1 in.
  • Page 12: Troubleshooting

    TROUBLESHOOTING Locating the Problem To determine the location of the problem, whether it is occurring at the turbine flowmeter or at the electronic readout device, disconnect the cable assembly from the magnetic pickup and connect the cable from the portable rate indicator onto the magnetic pickup.
  • Page 13 Visually inspect the internals of the turbine flowmeter. Check for particulates and/or foreign objects, which may have lodged between the rotor and the body. In the event an object is detected, simply remove the retaining ring on the outlet side of the turbine flowmeter and remove the support and rotor assembly.
  • Page 14 When frequency oscillator connected and an output is displayed on electronic readout device, this indicates that the turbine flowmeter cable assembly is defective and should be replaced. If no output is displayed, the turbine flowmeter cable assembly is good and the problem lies within the electronic readout device.
  • Page 15: Troubleshooting Reference Guide

    Troubleshooting Reference Guide Symptom Probable Cause Solution No output is Defective magnetic pickup Refer to the Checking the displayed or Magnetic Pickup section. registered Foreign matter obstructing the Refer to the Checking the turbine flowmeter rotor Turbine Flowmeter section. Defective turbine flowmeter Refer to the Checking the internals Turbine Flowmeter section.
  • Page 16: Specifications

    SPECIFICATIONS Accuracy * ±0.5% of the true flow at any point within the linear range of the turbine flowmeter. Linearity * ±0.5% of the mean K- factor throughout the linear range. Repeatability * ±0.1% of the indicated flow throughout the linear range.
  • Page 17 FLOW RELATED FORMULAS Pounds Per Hour = 500 x S.G. x GPM Pulses Per Litre = K-factor GPM = Hz x 60 3.785 Pounds Per Gallon = S.G. x 8.33 (Water) K-factor BPH = GPM x 1.42857 Pulses Per Barrel = K-factor x 42 BPD = GPM x 34.286 Hz = GPM x K-factor...
  • Page 18: Service

    SERVICE For warranty consideration, contact your local distributor. If you need further assistance, contact the GPI Customer Service Department at: 1-888-996-3837 You will need to: • Provide the model number of your turbine. • The serial number of your turbine. •...
  • Page 19 NOTES ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________...
  • Page 20: Warranty

    To make a claim against this warranty, or for technical assistance or repair, contact your FLOMEC distributor or contact FLOMEC at one of the locations below. In North or South America contact Outside North or South America contact Great Plains Industries, Inc.

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