GPI FLOMEC QM Series User Manual

921528-01 Rev. F
04/2021
General Information ��������������������������� 2
Installation �����������������������������������������3
Operation ������������������������������������������� 4
Calibration �����������������������������������������5
Maintenance ��������������������������������������5
Troubleshooting ���������������������������������6
Specications ������������������������������������7
Informative Table - Diesel ����������������� 8
Informative Table - Unleaded ����������� 9
Illustrated Parts List ������������������������� 10
Parts and Service ����������������������������15
TABLE OF CONTENTS
SAVE THESE INSTRUCTIONS
QM Series Positive Displacement Fuel Meter
Owner’s Manual
To the owner…
Congratulations on receiving your
FLOMEC® QM150/QM240 or GPRO®
QM40 Meter� We are pleased to provide
you with a meter 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� We pride
ourselves in conducting our business with
integrity and professionalism�
We are proud to provide you with a
quality product and the support you need
to obtain years of safe, dependable
service�
Great Plains Industries, Inc� is a member
of the Petroleum Equipment Institute.
Victor Lukic, President
Great Plains Industries, Inc�

GPI FLOMEC QM Series Specifications

General

Type	Positive Displacement Flow Meter
Accuracy	± 0.5% of reading
Wetted Materials	Viton
Operating Temperature	-40°F to +160°F (-40°C to +71°C)
Fluid Compatibility	Fuel, Oil, Water, Chemical
Temperature Range	-40°F to +160°F (-40°C to +71°C)
Material	Aluminum
Output	Pulse

Summary

General Information

Appropriate Fuel Meter Usage

Details acceptable fuels, safety precautions, and usage limits for the meter.

Safety Instructions

Safety Alert Symbols Defined

Explains DANGER, WARNING, and CAUTION symbols used in the manual.

Operator Responsibilities

Outlines user duties regarding safety codes and fuel handling.

Installation

Mounting Orientation and Flow Direction

Specifies correct mounting orientation and flow direction for optimal operation.

Piping and System Considerations

Discusses optimal system configuration, back pressure, and preventing air entrapment.

Operation

Understanding Meter Displays

Explains Batch Total and Cumulative Total displays and how to reset.

Installation Procedures

Display Orientation Adjustment

Provides instructions for rotating the mechanical display case.

Final Meter Connections

Covers connecting the meter to the pump, inlet/outlet ports, and system.

QM40 Modular Configurations

Threaded Pipe Configuration

Illustrates meter setup with adapter plates for threaded pipe connections.

Pump Outlet Integration

Shows direct bolting to GPI/GPro pump outlets and modular accessories.

Filter Integration

Demonstrates adding a filter using a GPI modular filter adapter.

Calibration

Calibration Screw Adjustment

Step-by-step guide to adjust the calibration screw for fuel types.

Fuel Recalibration Needs

Explains why recalibration is necessary for different fuels or accuracy.

Maintenance

Strainer Cleaning and Replacement

Instructions for cleaning or replacing the meter's inlet strainer.

Troubleshooting

Meter Counter Issues

Addresses symptoms like meter not operating or little/no fuel flow.

Fuel Leakage Diagnosis

Covers identifying and rectifying fuel leaks from coverplate, fittings, or threads.

Specifications

Gallon vs. Litre Models

Details technical specifications for both gallon and litre meter models.

Accuracy and Performance

Lists typical accuracy, resolution error, operating temperature, and pressure limits.

Wetted Materials and Connections

Specifies materials in contact with fluid and port types.

Accuracy and Pressure Drop Charts

Diesel Fuel Performance

Graph showing accuracy and pressure drop vs. flowrate for diesel fuel.

Accuracy and Pressure Drop Charts

Unleaded Fuel Performance

Graph showing accuracy and pressure drop vs. flowrate for unleaded fuel.

Illustrated Parts List

Meter Assembly Components

Diagram identifying key parts of the meter assembly.

Kits and Accessories

Seal and Fitting Kits

Lists kits for seals, fittings (NPT/BSPP), and calibration screws.

Assembly and Fuel Kits

Details kits for coverplates, rotors, and unleaded fuel conversion.

Kits and Accessories

Knob and Counter Kits

Lists kits for knob assembly and counter assembly.

Cover and Fuel Kits

Details kits for top covers (gallon/litre) and middle cover.

Parts and Service

Contacting GPI for Service

Information on obtaining warranty, parts, or service support.

Return and Shipment Precautions

Guidelines for returning parts and shipping fuel transfer equipment.

Limited Warranty Policy

Warranty Coverage and Duration

Details the 5-year warranty, exclusions, and claim process.

Warranty Exclusions

Lists conditions under which the warranty does not apply.

Liability Limitations

States exclusion of liability for direct, indirect, or consequential damages.