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MECHANICAL FEATURES COMPARISON OF SENTRA HE, LE & VE SERIES TEMPERATURE CONTROL UNITS
Sentra 'SK' Series temperature control units are designed to circulate fluid through the process application for heating and cooling. Generally,
the mechanical package offered by Advantage for SK Series temperature control units are similar. But there are a few differences that are determined
by the instrument. Use the chart below to compare.
ELECTRICAL / INSTRUMENT
Mercury Heater Contactor
Pump Motor Contactor
Transformer
Fused 110 Volt Control Circuit
Installed 10' Power Cord (1)
Number of Sensor Probes
Remote Instrument Option
HE Instrument
Yes
Yes
Yes
Yes
Yes
2
Yes
LE Instrument
Yes
Yes
Yes
Yes
Yes
1
No
VE Instrument
Yes
Yes
Yes
Yes
Yes
1
No
PRESSURE GAUGES
To Process
From Process
Yes
Yes
Yes
Yes
Yes
Yes
LIMIT SWITCHES
HI Temperature Limit
150 PSI Pressure Relief Valve
Water Supply Pressure Switch
Pump Motor Overload
110 Volt Alarm Output
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
FLOW METER
Hall Effects Sensor
Digital Display
Magnetic Rotator
Yes
Yes
Yes
No
No
No
No
No
No
HEATING CYCLINDER
Custom Casting
Flange Mounted Heater
Flange Mount to Pump
Machine 'To Process' Port
Non-Ferrous Construction
Yes
Yes
Yes
Yes
Opt
Yes
Yes
Yes
Yes
opt
Yes
Yes
Yes
Yes
Opt
COOLING CYCLINDER
Custom Casting
Flange Mount to Pump
Machine 'From Process' Port
Machined 'water Supply' Port
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
COOLING VALVE
AVT™ Modulating Valve
PVT™ Solenoid Valve
Yes
No
Yes
No
No
Yes
PUMP
Custom Cast Casing
Flange Mounts for Cylinders
Pump Seal Flush
Stainless Steel Pump Shaft
Bronze Pump Impeller
Non-Ferrous Construction
Yes
Yes
Yes
Yes
Yes
Opt
Yes
Yes
Yes
Yes
Yes
Opt
Yes
Yes
Yes
Yes
Yes
Opt
CABINETRY / FRAME
Thermoformed Polymer Front Panel (2)
Stainless Steel Cabinetry
Galvanized Steel Base
2" Swivel Casters
Lift-Off Access Panel
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
CLOSED CIRCUIT COOLING
For Indirect Cooling via Heat Exchanger
Opt
Opt
Opt
WARRANTIES
Mechanical
Pump Seal
Heater
Instrument
AVT™ Valve
PVT™ Valve
2 Year
Lifetime
4 Year
4 Year
4 Year
n/a
2 Year
Lifetime
4 Year
4 Year
4 Year
n/a
2 Year
Lifetime
4 Year
4 Year
n/a
2 Year
1. Power cord not included on custom units and units with heaters larger than 16kw and/or pumps larger than 3 hp.
2. Thermoformed polymer front panel is not installed on custom units and units with heaters larger than 16kw and/or pumps larger than 3 hp.
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Product innovation and improvement is our constant goal. All features, specifications and pricing are subject to change without notice or liability.
Products are assembled in the United States of America.