WHAT IS MCELROY OPTIMIZED COOLING™? SAY HELLO TO INCREASED PROFIT AND PRODUCTIVITY.

McElroy Optimized Cooling, a real-time algorithm that calculates cooling times based on pipe material properties, environmental conditions, and heat soak time, enhances jobsite productivity while ensuring the quality and integrity of each joint and the complete installation. McElroy’s patent-pending formula, incorporated into the DataLogger® software package determines the appro-priate amount of time it takes to cool the center of the pipe wall — making it safe for handling so you can move on to the next joint.

During the fusion process, the most significant amount of time for each joint is attributed to cooling procedures. McElroy Optimized Cooling effectively reduces those cool times with no impact on the final strength of the joint.

REDUCE WAIT.

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AVAILABLE EXCLUSIVELY THROUGH DATALOGGER DEVICES

MCELROY OPTIMIZED COOLING is only available on DataLogger devices. The recommended cooling time is automatically calculated based on environmental conditions and pipe material properties in real-time.

Using the ASTM F2620 fusion procedure, research spanning nearly a decade provides the basis and justification for optimizing the cooling time requirement for butt fusion joints as a function of pipe diameter, wall thickness, ambient temperature and pipe surface temperature. Partnering with The University of Tulsa, McElroy researched and studied fusion of pipe between 6" and 24" OD with DRs ranging from 7 to 32.5 in different environments with multiple cooling times. Samples were fused according to ASTM F2620-13 and cooled under pressure for various lengths of time and were destructively tested.

Through that testing, analysis of thousands of data points, and modeling of computational fluid dynamics, McElroy developed an algorithm to reliably predict the time required to cool the center of the pipe wall with an expected joint strength at that time and temperature making it safe for handling.

*In F2620-19 this is note 10; for ASTM F2620-12 and ASTM F2620-13, see note 8.

ADHERES TO ALLOWANCE NOTE IN ASTM F2620 SECTION

ON BUTT FUSION COOLING*

MCELROY OPTIMIZED COOLING IS ASTM F2620- COMPLIANT.

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LESS EQUALS MORE.The patent-pending McElroy Optimized Cooling™ procedure, when paired with trained operators and properly-maintained and functioning equipment, provides significant time savings for butt fusions and ensures quality joints. Testing shows that removing the joint from the machine after a shorter fusion/cooling period has no effect on the joint’s final strength.

The following table compares cooling times for a typical project scenario: 20" SDR 7 with ambient temperatures ranging between 75° and 120° F, with pipe surface temperatures between 75° and 140° F.

As shown above, the McElroy Optimized Cooling algorithm reduces the minimum cooling time by 55% for the cooler scenario and 48% for the higher temperature example.

Cooling time is dependent on ambient conditions, which can change hourly. McElroy’s Optimized Cooling requires the operator to record the ambient temperature and pipe surface temperature for each joint. So every joint, whether made first thing in the morning or in the middle of the day, will have cooling times consistent with the underlying algorithm.

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A 10-MILE PROJECT AT 90°F AVERAGE TEMPERATURE WOULD REQUIRE 1,056 50-FOOT STICKS OF PIPE.

UTILIZING MCELROY OPTIMIZED COOLING WOULD SAVE OVER 300 MACHINE HOURS

IN REDUCED COOLING TIME.

METHOD PIPE T (°F)MINIMUM FUSION/

COOLING TIME(MINUTES)

REDUCTION IN FUSION/COOLING

TIME

ASTM F2620-19 Not specified Not specified 31

F2620-19 with 75 75 14 55% reduction McElroy Optimized Cooling™

F2620-19 with 120 140 16 48% reductionMcElroy OptimizedCooling™

AMBIENT T (°F)

55%REDUCTIONIN COOLING

TIME

© Copyright 2020. DataLogger is a registered trademark of McElroy Manufacturing, Inc. McElroy Optimized Cooling is a trademark of McElroy Manufacturing, Inc. All Rights Reserved.

DISBRMOC0520