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Armstrong series 4300 splitcoupled type vil units, with rigid spacer type coupling. This video is intended to show the ease of changing an outside mechanical seal on an armstrong vertical inline pump. We offer tungsten and silicon carbide faces for abrasive, corrosive and high temp applications. Armstrong 4380 vertical inline pumps national pump supply. Armstrong series 4300 seal change accelerated version youtube. Armstrong split coupled vertical inline pumps series 4300. Commercial pumps series 4300, 4360 and 4380 armstrong.
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