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march_pump [2021/12/22 12:27] (current)
leblanc created
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 +====== March AC-4C-MD Magnetically Coupled Pump ======
  
 +We are using our Alphatross with Shell Diala Oil AX instead of the Low Odor Base Solvent that was supplied by NEC.  We have a few hundred gallons of this oil on hand, which made it more cost effective to replace the pump than to purchase the 8 or so gallons of LOBS ($93.30/​gallon on 2021-08-09). ​ The transformer oil is much more viscous than the LOBS, (9 mm2/s vs 0.1 mm2/s at 40°C), necessitating a larger pump to maintain adequate flow.  March suggested going with an AC-4C-MD 115V with trim to 2.5 inches. The original system from NEC shipped with a March AC-3CP-MD-115VAC.
 +
 +March pump page: https://​www.marchpump.com/​pump/​ac-4c-md-magnetically-coupled-pump/​
 +March curves page: https://​www.marchpump.com/​wp-content/​uploads/​2019/​06/​March-Series-4-Pump-Curve.pdf
 +March pump manual: https://​www.marchpump.com/​wp-content/​uploads/​2019/​06/​pump-manual-acandbc4-0145-0023-1000-rev30.pdf
 +2D Drawing: https://​www.marchpump.com/​wp-content/​uploads/​2019/​06/​March-AC-4C-MD-115V-Pump-Drawing.pdf
 +Installation guide: https://​www.marchpump.com/​wp-content/​uploads/​2019/​07/​march-pump-general-installation-guide-0750-040.pdf
 +
 +March also provided us with a 3D model in STEP format for use in our modeling.
march_pump.txt · Last modified: 2021/12/22 12:27 by leblanc