Page 1
4YB
• Size:2.5H-2.5”dischargex4”suctionwith125#castironflanges.
• Casing:CastIron.• Impeller:Enclosed-6vane.Handles.50”diametersolids.• WearRings:Replaceable.(Doublewearringsavailable).• Seal:Cornell’spatentedCycloseal®designwithRun-Dryoil
lubricationsystem.JohnCraneT-2singlemechanicalsealwithViton®elastomers,stainlesssteelhardwareandtungsten-vs.siliconcarbidesealfacesforabrasionresistance.
• CheckValve:SwingFlex®Val-Matic®.• ShaftSleeve:Heattreated416stainlesssteel.• Bearings:Heavyduty,greaselubricated,deepgrooveball
bearings,withaminimumof50,000hoursbearinglife.• Hardware:Stainlesssteelfloatlinkage.Apositiveseating
vacuumprimingvalvepreventswatercarry-overtothevacuum,pumporatmosphere.
• VacuumPump-50SCFMMaximum.
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NOTES:Discharge positions are viewed from the drive end.Standard increments of discharge position are shownin the chart below (DISCH INCR). Consult factory for other discharge positions.
NOTES:1. Motor dimensions are for ODP motors and may vary depending on models and manufacturer.2. Flange connection dimension can vary ± .12 inch.3. Do not use for construction unless certified.
(c) For 326 and larger motor frame.(d) For 404 and larger motor frame.
CONNECTION DISCH. AKMODEL DISCH. SUCT. INCR. DIM. DD S X Y Z LP
8.5 7 - 7.5 5.38 5.75 7.44 MOTOR AK12.5 7 - 7.5 5.38 5.75 7.44 FRAME DIM. A B D E F H AB BA LC8.5 7.39 - 7 5.38 6.5 7.44 143-5 4.5 6.5 5.94 3.5 2.75 5 0.34 5.62 2.88 1012.5 7.39 - 7 5.38 6.5 7.44 4.5 8.62 6.5 4.5 3.75 5.5 0.41 6.75 3.5 12.258.5 9.12 0.69 8.75 6.09 6.12 8.13 8.5 8.62 6.5 4.5 3.75 5.5 0.41 6.75 3.5 12.2512.5 9.12 0.69 8.75 6.09 6.12 8.13 213-5 8.5 9.5 8 5.25 4.25 7 0.41 7.94 4.5 13.6912.5 9.12 0.69 8.75 6.09 6.12 10.38 (d) 254-6 8.5 11.25 11.25 6.25 5 10 0.53 9.5 5 17.948.5 11.62 1.38 10.5 9 7.5 8.62 284-6 12.5 12.25 12.25 7 5.5 11 0.53 11.37 5 21.3112.5 11.62 1.38 10.5 9 7.5 10.88 324-6 12.5 14.25 13.75 8 6.25 12 0.66 12.22 5.5 22.198.5 13.12 0.44 8 10.31 9 8.97 364-5 12.5 15.75 14 9 7 12.25 0.66 13.2 6.12 24.3112.5 13.12 0.44 8 10.31 9 8.97 404-5 12.5 18.5 16.62 10 8 13.75 0.81 16.39 6.88 29.97
6YB 6 10 90° 12.5 14.75 1 9.5 10.41 9.5 11.6810YB 10 10 90° 12.5 18.25 - 11 10.7 12.5 11.75
5YB
Y-SERIES CLOSE-COUPLED PUMPSWITH TANGENTIAL VOLUTE
MOTOR DIMENSION
182-3
DIM2082CORNELL PUMP COMPANY
5YBH 5 8
90°
90°
5 8
4 6
10/28/08
2.5YH 2.5 4 90°
90°
PUMP DIMENSIONS
3YH
90°
43
4YB
NOTES:Discharge positions are viewed from the drive end.Standard increments of discharge position are shownin the chart below (DISCH INCR). Consult factory for other discharge positions.
NOTES:1. Motor dimensions are for ODP motors and may vary depending on models and manufacturer.2. Flange connection dimension can vary ± .12 inch.3. Do not use for construction unless certified.
(c) For 326 and larger motor frame.(d) For 404 and larger motor frame.
CONNECTION DISCH. AKMODEL DISCH. SUCT. INCR. DIM. DD S X Y Z LP
8.5 7 - 7.5 5.38 5.75 7.44 MOTOR AK12.5 7 - 7.5 5.38 5.75 7.44 FRAME DIM. A B D E F H AB BA LC8.5 7.39 - 7 5.38 6.5 7.44 143-5 4.5 6.5 5.94 3.5 2.75 5 0.34 5.62 2.88 1012.5 7.39 - 7 5.38 6.5 7.44 4.5 8.62 6.5 4.5 3.75 5.5 0.41 6.75 3.5 12.258.5 9.12 0.69 8.75 6.09 6.12 8.13 8.5 8.62 6.5 4.5 3.75 5.5 0.41 6.75 3.5 12.2512.5 9.12 0.69 8.75 6.09 6.12 8.13 213-5 8.5 9.5 8 5.25 4.25 7 0.41 7.94 4.5 13.6912.5 9.12 0.69 8.75 6.09 6.12 10.38 (d) 254-6 8.5 11.25 11.25 6.25 5 10 0.53 9.5 5 17.948.5 11.62 1.38 10.5 9 7.5 8.62 284-6 12.5 12.25 12.25 7 5.5 11 0.53 11.37 5 21.3112.5 11.62 1.38 10.5 9 7.5 10.88 324-6 12.5 14.25 13.75 8 6.25 12 0.66 12.22 5.5 22.198.5 13.12 0.44 8 10.31 9 8.97 364-5 12.5 15.75 14 9 7 12.25 0.66 13.2 6.12 24.3112.5 13.12 0.44 8 10.31 9 8.97 404-5 12.5 18.5 16.62 10 8 13.75 0.81 16.39 6.88 29.97
6YB 6 10 90° 12.5 14.75 1 9.5 10.41 9.5 11.6810YB 10 10 90° 12.5 18.25 - 11 10.7 12.5 11.75
5YB
Y-SERIES CLOSE-COUPLED PUMPSWITH TANGENTIAL VOLUTE
MOTOR DIMENSION
182-3
DIM2082CORNELL PUMP COMPANY
5YBH 5 8
90°
90°
5 8
4 6
10/28/08
2.5YH 2.5 4 90°
90°
PUMP DIMENSIONS
3YH
90°
43
4YB
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4YB
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7/25/00
VARIOUS
4YB - VARIOUS RPM
SINGLE VOLUTE MOUNTING CONFIG.: CC, VM, F, VF, EM, VC
Suction Discharge No. vanes
HP x .746 = KWGPM x 3.785 = Liters/MinuteGPM x .227 = Cubic Meters/HourInches x 25.4 = MillimetersFeet x .305 = Meters
Cornell Pump Company Portland, Oregon
NE
W P
AG
E
Solids Dia. SNImpeller Dia.Speed Style
VARIOUS ENCLOSED .75" 1231 6" 4" 6
E
D
C
B
A
NPSH REQ’D.15 FT.(4.6 M.)
12 FT.(3.7 M.)10 FT.(3.0 M.)8 FT.(2.4 M.)
15 HP
20 HP
25 HP30 HP
40 HP
70
75
75
77
77
7878
25
50
75
100
125
150
175
200
225
FEE
T
70
ME
TER
S
TOTA
L D
YN
AM
IC H
EA
D
80
60
50
40
30
20
10
250
275
175150125100755025
800
CUBIC METERS PER HOUR
CAPACITY U.S. GALLONS PER MINUTE7006000 500400300200100
10.00"
DIAMETER FULL
RPM180020002200
TRIM10.00" 9.12" 8.38"
EHQRPM
200022002400
TRIM10.00" 9.12" 8.50"
DHQRPM
220024002600
TRIM10.00" 9.25" 8.62"
CHQ
2600
HQ TRIM RPMAB
10.00"10.00"
26002400
9.25"
4YB
