Gorman-Rupp Pumps 2D-X.75 3P 1462004 and up User Manual
Page 7
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D SERIES
OM−01479
PAGE A − 2
SAFETY
Never install a positive shut-off valve in the
discharge line; discharge restrictions will
cause excessive friction loss resulting in
overloading and destruction of pump and
drive components. It is strongly recom-
mended that unless absolutely necessary,
no positive shut-off valve be installed in the
suction line; excessive restriction will
cause incomplete filling of the diaphragm
chamber and result in shortened dia-
phragm life.
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