Liquid Controls M Series User Manual

Liquid Controls M Series

48 pages

Other manuals for Liquid Controls M Series

Installation Manual15 pages

Questions and Answers:

S
silvajosephAug 17, 2025
What to do if there is no flow through Liquid Controls Measuring Instruments?
- C
  criddleAug 17, 2025
  If your Liquid Controls Measuring Instruments meter is not flowing any product, there might be a few reasons. It could be due to a faulty or non-functioning pump, a valve that is not open or not working correctly, or the meter might be 'frozen' because of chemical 'salts' or foreign material buildup inside the metering chamber. Consider cleaning the meter and inspecting for any damage.
G
Gary TuckerAug 19, 2025
How to fix if Liquid Controls M Series meter counts down in reverse?
- K
  kimberly84Aug 20, 2025
  If your Liquid Controls Measuring Instruments meter counts down in reverse, you should reverse the direction of flow by reversing the adjuster drive gear.
S
Susan CarneyAug 22, 2025
Why is my Liquid Controls Measuring Instruments meter running too slowly?
- S
  Scott EspinozaAug 23, 2025
  If your Liquid Controls Measuring Instruments meter runs too slowly, several factors could be the cause. The valve's internal mechanism might be faulty, preventing it from fully opening. Also, the meter gears or rotors could be partially 'salted', which slows down the rotation of parts. Cleaning the meter might help. Another potential cause could be a downstream restriction or a clogged strainer basket.

Liquid Controls M Series Specifications

General

Temperature Range	-40°F to +160°F (-40°C to +71°C) standard, extended ranges available
Materials	stainless steel
Type	Positive displacement flow meter
Fluid Compatibility	fuels, oils, and chemicals
Sizes	6"
Output Options	Pulse

Summary

Safety Procedures

BE PREPARED

General safety guidelines and preparation steps before meter usage.

SAFELY EVACUATE PIPING SYSTEM

Procedures for safely relieving pressure and draining liquid from the piping system.

OBSERVE NATIONAL & LOCAL CODES

IN THE EVENT OF A GAS FIRE

Actions for gas fires: evacuation, reporting, and fire suppression.

IN THE EVENT OF A GAS LEAK

Procedures for gas leaks: evacuation, ventilation, and ignition prevention.

Installation & Operation

Installation Requirements

Class 10 LPG Meters - Codes

Operation Requirements

Meter Start Up and Operation

Reversing the Meter Registration

Setting the Standard Adjuster

Disassembling the Meter

Removing Non-Corroded Rotor Gears

Removing Corroded Rotor Gears

Remove the Bearing plates and Rotors

Reassembling the Meter

Reassembling the bearing plates and rotors

Timing the rotor gears

Procedure for correctly timing rotor gears using timing marks.

Completing the Meter Reassembly

Tightening Front and Rear Covers

Troubleshooting

Leakage past packing gland drive shaft housing from internal metering chamber

Addresses leakage from packing gland and internal metering chamber.

Leakage from the cover gasket

Explains causes and solutions for cover gasket leakage.

Product flows through meter but the register does not operate

Diagnoses issues of meter running but register not functioning.

Breaking teeth on timing gears

Product flows through meter but register does not record correctly

No flow through meter

Meter runs too slowly

The meter counts down in reverse (the meter numbers decrease)

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