Technical dataFlow, Q: max. 70 gpmHead, H: max. 265 ftLiquid temp.: +5°F to +230°F*Working press.: max. 145 psi

ApplicationsThe pumps are suitable for liquid transfer in:• Water treatment• Industrial washing and dishwashing machines• Pressure boosting of process water• Heating and cooling in industrial processes• Air conditioning• Airwashing, moisturization, humidification

(softened water)• Water supply and pressure boosting

(potable water, also slightly chlorinated)

Features and benefits• Compact design• Wide range• Suitable for slightly aggressive liquids• Low noise• Integrated variable frequency drive (CHIE only)

CHI, CHIEMultistage centrifugal pumps

0 20 40 60 80Q [US GPM]

0

50

100

150

200

250

H [ft]

GRUNDFOS CHI, CHIE

1 x 115/230V (CHI)

1 x 208-230V (CHIE)*3 x 208-230/460V (CHI)*

on

3 x 575V (CHI)on®

CHI, CHIE

CHIE 4-60CHI 12-20Max. liquid temp. 248°F

for®*

LCHIPG02_CHI flyer_4 30.indd 2/17/2005, 5:22 PM1

BEING RESPONSIBLE IS OUR FOUNDATION

THINKING AHEAD MAKES IT POSSIBLE

INNOVATION IS THE ESSENCE

GRUNDFOS Pumps Corporation17100 West 118th TerraceOlathe, Kansas 66061Telephone: 913 227 3400Fax: 913 227 3500

www.grundfos.com

GRUNDFOS Canada Inc.2941 Brighton RoadOakville, Ontario L6H 6C9 CanadaTelephone: 905 829 9533Fax: 905 829 9512

Bombas GRUNDFOS de Mexico S.A. de C.V.Boulevard TLC #15Parque Stiva AeropuertoApodaca, N.L. Mexico 66600 Telephone: 52 81 8144 4000Fax: 52 81 8144 4010

123910

45678

123910

45678

Pos. Description Materials AISI, ASTM

1 Pump Sleeve Stainless steel 316

2 Intermediate chamber/ Stainless steel 316 guide vanes

3 Impeller Stainless steel 316

4 Suction interconnector Stainless steel 316

5 Spline shaft Stainless steel 316

6 Cover plate Stainless steel 316

7 Shaft seal faces BQQE, BQQV, BUBE and BUBV

8 Base plate Painted steel plate

9 Motor flange Cast iron

Silumin

10 Ball bearing

O-rings EPDM or FKM D1418

Connection CHI 2 CHI 4 CHI 8 CHI 12

Axial suction port 1” 1 1/4” 1 1/2” 1 1/2” NPT NPT NPT NPT

Radial discharge port 1” 1 1/4” 1 1/2” 1 1/2” NPT NPT NPT NPT L-CHI-PG-02 2/05

PRINTED IN USA

LCHIPG02_CHI flyer_4 30.indd 2/17/2005, 5:22 PM2