Centrifugal Pumps Model 620 LIQUIFLO

CENTRY-SERIES MODEL

620

621

622

Suction Port Size *

in

1

1 ¼

2

Discharge Port Size *

in

¾

1

1 ½

Impeller Diameter

in

3 ¾

5

5

Max Flow Rate

GPM

45

90

160

Max Total Head

ft

65

100

95

Max Discharge Pressure

PSIG

300

300

300

Max Temperature **

°F

500

500

500

Min Temperature **

°F

-100

-100

-100

Max Speed

RPM

3500

3500

3500

NPSHR @ Max Speed & BEP

ft (a)

7.5

15

13

* Available port configurations:  Threaded (NPT) or Flanged (ANSI 150# RF).

** Temperature Limits given for Mag-drive pump with proper configuration;
    Temperature Limits for Sealed pump are dependent on Motor or Driver.

NPSHR = Net Positive Suction Head Required
BEP = Best Efficiency Point