Durco Mark 2 & 3Recessed ImpellerPumps

Bulletin P-19-102d

50 & 60 CyclePerformanceCurvesFor Group I & II Pumps

2

PUMP SPEED CURVE # PAGE

Composite 3500 Group I & II 3

1750 Group I & II 3Curves1150 Group I & II 4

860 Group I & II 4

3500 8530A 5

2 x 2R-6 1750 8531A 6

1150 8532A 7

3500 8510B 82 x 2R-10 1750 8515B 9

Claw Impeller1150 8517B 10

1750 8511A 11

2 x 2R-10 1150 8513A 12

860 8508A 13

3 x 3R-101750 8521A 14

1150 8522A 15

1750 8540AV 16

1750 (BHP) 8540AV 17

4 x 3R-13 1150 8542AV 18

1150 (BHP) 8542AV 19

860 8544V 20

860 (BHP) 8544V 21

6 x 4R-131750 8560AV 22

1750 (BHP) 8560AV 23

1150 8562AV 24

6 x 4R-13 1150 (BHP) 8562AV 25

860 8564AV 26

860 (BHP) 8564AV 27

INDEX60 CYCLE CURVES

(Page 2)

INDEX50 CYCLE CURVES

(Page 11)

PUMP SPEED CURVE # PAGE

Composite 2900 Group I & II 28

1450 Group I & II 28Curves960 Group I & II 29

2 x 2R-62900 8533A 30

1450 8534A 31

2 x 2R-10 2900 8514A 32

Claw Impeller 1450 8516B 33

2 x 2R-101450 8512A 34

960 8509A 35

3 x 3R-10 1450 8524A 36

1450 8541AV 37

4 x 3R-131450 (BHP) 8541AV 38

960 8543V 39

960 (BHP) 8543V 40

1450 8561AV 41

6 x 4R-131450 (BHP) 8561AV 42

960 8563AV 43

960 (BHP) 8563AV 44

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NOTES

To find your local Flowserve representative please use the Sales Support Locator System

found at www.flowserve.com

Or call toll free: 1 800 728 PUMP (7867)

Your local Flowserve representative:

USA and CanadaFlowserve CorporationPump Division5215 North O’Connor Blvd.Suite 2300Irving, Texas 75039-5421 USATelephone: 1 972 443 6500Telefax: 1 972 443 6800

Europe, Middle East, AfricaFlowserve CorporationPump DivisionVia Rossini 90/9220033 Desio (Milan), ItalyTelephone: 39 0362 6121Telefax: 39 0362 303396

Latin America and CaribbeanFlowserve CorporationPump Division6840 Wynnwood LaneHouston, Texas 77008 USATelephone: 1 713 803 4434Telefax: 1 713 803 4497

Asia Pacific Flowserve Pte. Ltd.Pump Division 200 Pandan Loop #06-03/04Pantech 21Singapore 128388Telephone: 65 6775 3003Telefax: 65 6779 4607

Flowserve... Supporting Our CustomersWith The World’s LeadingPump Brands

Jeumont-Schneider™Jeumont-Schneider™

Printed in U.S.A.April 2005

© Flowserve Corporation