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Piston design offers the maximum flow rate possible by keeping
flow restriction through the leak detector at a minimum.
Piston has a full 1 5/8" (4.1 cm) of travel to move the
leak detection poppet fully out of the flow path when product is
being pumped. Piston cylinder has 5 3/4 cubic inches (94.2
cc) of volume to help minimize nuisance tripping due to thermal
contraction. This also reduces the number of daily line
tests during thermal contraction periods and thereby extends the
life of the lead detector.
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Built-in Precision
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Burnished Brass Cylinder Liner has an 8 to 24 micron finish. The
piston rod is polished stainless steel. Both are designed to
minimize friction by providing an extremely smooth surface to reduce
wear of the Teflon seals. Metering Pin is constructed of 416
stainless steel to minimize wear of the critical 3 GPH leak rate
orifice.
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Three MLD Models
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The MLD (blue in color) is designed for use in gasoline and alcohol
blends and 100% alcohol applications using ridged pipe or flexible
pipe with low modulus of elasticity
The MLD-D (light tan in color) is designed for use in diesel fuel and kerosene
applications.
The MLD-E (gray in color) is designed for use with some flexible piping
systems with a high modulus of elasticity.
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