CORNELL PUMP COMPANY
Refrigeration
Pumps
Cornell Pump Company
Portland, Oregon
U.S.A.
Phone: (503) 653-0330
Fax: (503) 653-0338
Web: www.cornellpump.com
Cycloseal® and Redi-Prime® are Registered Trademarks of Cornell Pump Company.
Cornell pumps and products are the subject of one or more of the following
U.S. and Foreign patents: 3,207,485; 3,282,226; 3,295,456; 3,301,191;
3,630,637; 3,663,117; 3,743,437; 4,335,886; 4,523,900; 5,489,187; 5,591,001;
6,074,554; 6,036,434; 6,079,958; 6,309,169; 2,320,742; 96/8140; 319,837;
918,534; 1,224,969; 2,232,735; 701,979 and are the subject of pending US and
Foreign Patent Applications.
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FEATURES & BENEFITS
CORNELL CORNELL
HERMETIC OPEN-DRIVE
REFRIGERANT REFRIGERANT
PUMP PUMP
HERMETIC REFRIGERANT EMISSION FREE™
TECHNOLOGY SEALING TECHNOLOGY
■ Allows the pump to operate without the need ■ An ultra-reliable system consisting of two
SPECIFICATIONS for a mechanical shaft seal mechanical seals mounted back to back SPECIFICATIONS
NPSHR ■ Inboard seal prevents escape of refrigerant from Close-coupled Refrigerant Pump: Mechanical Seal:
Hermetic, Close-coupled Motor Specification:
• Exceptional NPSHR characteristics the pump casing • Class 150 Flanged suction • Double mechanical shaft seal
Refrigerant Pump: • Totally enclosed Liquid
• Characteristics are enhanced throughout entire ■ Outboard seal acts as a fail-safe or backup, and and discharge with pressurized barrier fluid
• Class 150 Flanged suction Cooled
operating range due to the single stage impeller provides containment of a system compatible • 250 PSIG working pressure lubrication system
and discharge • 3/4" Flanged liquid coolant
and four pole operating speed barrier fluid. • Constructed of ASTM A536 • Low oil limit switch
• 250 PSIG working pressure recirculation connection with
Vapor Handling NPSHR 60-40-18 Ductile Iron • Seal chamber heater to maintain
• Constructed of ASTM A536 NPT tap
• Enhanced vapor handling abilities • Exceptional NPSHR characteristics • Industry leading three year warranty proper barrier oil viscosity
60-40-18 Ductile Iron • Varied voltages available
due to single stage impellers • Characteristics are enhanced throughout entire • Four pole (1800/1500RPM) Motor Specification:
• Industry leading three year • Stainless Steel motor liner
with large eye areas operating range due to the single stage impeller operating speed • Totally enclosed, fan cooled,
warranty • 200°C Thermal protection
and four pole operating speed • Optional mounting configurations refrigerant atmosphere, hostile
• Four pole (1800/1500RPM) • Secondary containment
Vapor Entrainment available environment, premium efficiency
operating speed • Replaceable hydrodynamic
• Seals are oil lubricated, and do not rely on the motor
motor bearings
presence of pumpage for lubrication or cooling • Class “F” insulation
• Suitable for VFD applications
• The double mechanical sealing system allows • Suitable for VFD applications
the pump to continue to run until the system
stabilizes and the pump re-primes itself –
nuisance-tripping is avoided
