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Seepex launches new integrated pump and vector drive |
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Thursday, 19 February 2009 |
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Seepex has released a new
integrated drive for its popular line of MD and BW progressive cavity pumps
that together can cover a performance band of 0.08 gph to 4.7 gpm and pressures
to 360 psi. The drive integrates the pumps with a single reduction gear
reducer, a four-pole, TEFC, inverter-rated 1/2 HP electric induction motor
and a “vector” type, variable frequency drive in a NEMA 4 enclosure.
 The unit operates from standard 1x120 VAC, 15 amp circuits with a 5-15p
grounded plug and has an H-O-A switch with a 10-turn potentiometer for manual
control and will accept a 4-20ma process signal through a standard 1/2"
UNF-connector.
The effective speed range of the units is 20-600 rpm. The “vector”
capability of the VFD has an internal sensor-less feedback system for superior
but economical speed control and stability. Unlike DC units, this unit
has excellent speed control even in areas where input line voltages vary, reveals
the company’s press release.
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