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Home / Centrifugal Pumps / Centry Series / 621

Model 621
Sub-ANSI Centrifugal Pump
316 Stainless Steel
Sealed | Mag-Drive

Suction Port	1 1/4" NPT/FLG ¹
Discharge Port	1" NPT/FLG ¹
Impeller Diameter (Full Size)	5"
Impeller Trims (Standard)	4.5" 4" 3.5" 3"
Max Flow Rate	90 GPM
Max Total Head	100 ft.
Max Discharge Pressure	300 PSIG ²
Max Temperature	500 °F ³
Min Temperature	-100 °F ³
Max Speed	3500 RPM
NPSHR @ 3500 RPM & BEP	15 FT
NPSHR @ 1750 RPM & BEP	3.7 FT
Weight (without motor) Sealed: Single Int. Mech. Mag-Drive	NPT 17 LBS 42 LBS	FLG 23 LBS 48 LBS

1 Standard Flanges are ANSI 150# RF.

2 Maximum Pressure Rating for 150# Flanges is 275
PSIG up to 100°F. Derating required above 100°F.

3 Temperature Limit given for Mag-drive pump with proper configuration; Temperature Limit for Sealed pump is dependent on Motor or Driver.

Liquiflo's Centry^® Series are Sealed and Magnetically-Coupled (MC) Centrifugal pumps engineered and manufactured for the user with increased needs for equipment reliability. These pumps are specifically designed to handle the lower flow applications that create maintenance problems for standard ANSI pumps operating at less than BEP.

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