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The
Jesco Ram Meter Series dispensers are constant
flow rate, positive displacement dispensers
that can meter low to high viscosity adhesives
and sealers directly from the material supply
container. They can dispense precisely metered
shots or consistent diameter beads at an adjustable
and repeatable flow rate.
Because of their Pressure and Temperature Compensated
Hydraulic drive package, the Ram Meter Series
of dispensers can efficiently and accurately
meter materials with better flow control than
can be obtained with a reciprocating barrel
or pail pump. Since they meter directly from
the original supply container, these dispensers
do not require supply pumps. This offers the
end-user lower overall equipment costs, requires
less floor space for the equipment and simplifies
/ reduces the amount of equipment maintenance
required.
Ram Meter Dispensers are available in several
different versions, with a multitude of available
options.
The N-1740 Series Ram Meter pictured above is
a small capacity unit that includes a 5 Gallon,
3” double post elevator and 5 Gallon follower
plate. This dispenser can meter materials up
to 3 McP. It has a maximum capacity of 1.9 in3
per stroke and can dispense at pressures up
to 3000 psi.
The N-1890 Series Ram Meter dispensers are standard
with Jesco’s Constant Flow Rate Hydraulic
Drive package. They include a 55 Gallon, 3”
double post elevator and 55 Gallon follower
plate. A 5 Gallon follower plate is optional.
The N-1890 Series Ram Meter dispensers can meter
viscous materials up to 3 McP. They have a maximum
capacity of 35.7 in3 per stroke and
can dispense at pressures up to 3000 psi.
The N-1890-AE Series Ram Meter pictured above
represents a variation in the N-1890 Series
of dispensers. The “-AE” suffix stands
for Analog Electric dispenser. In this series,
the standard Hydraulic Power Unit and Cylinder
drive package is replaced with a DC Servo Motor
and Inverted Ball-screw Actuator. With closed
loop velocity control, this dispenser provides
constant flow rates at any given setting. This
type of dispenser also responds to an analog
signal that is sent from the Robot that is proportional
to the flow rate of material required. Analog
response with a Hydraulic Drive Ram Meter is
also available in the N-1890-AH (Analog Hydraulic)
Series dispensers.
The N-1890-HV Series Ram Meter dispenser pictured
above is the largest in the Ram Meter Series.
This High Viscosity unit includes a 55 Gallon,
5 1/2” double post elevator with 55 Gallon
high draft follower plate. This series of Ram
Meters can dispense High Viscosity materials
up to 12 McP. They have a maximum meter capacity
of 61.8 in3 per stroke and can dispense
at pressures up to 6000 psi. Some of the same
variations available in the N-1890 Series Ram
Meters are also available in the N-1890-HV Series.
All Ram Meter dispensers have various options
available to customize their use in a given
application. Options such as the “-ROB”
option, which provides a Volume and Flow Rate
Indicator and Alarm Package as well as Pin Receptacles
for interface to a Robot or other Supervisory
controller. Timed shot controls for Manual dispense
applications. Various Applicator Valves to fit
the application. Etc.
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