Type series booklet 50 + 60 Hz 2746.5/6-10 G2 Etaprime B/BN Self-priming close-coupled pumps for pure and contaminated liquids Fields of application Water supply Swimming pool water Fire-fighting systems Seawater Spray irrigation Fire-fighting water Irrigation Brackish water Drainage Condensate Air -conditioning systems Brine Drinking water Oils Industrial water Cleaning agents Cooling water Operating data 50 Hz 60 Hz Q up to 100 m 3 /h (28 l/s) up to 120 m 3 /h (33 l/s) H up to 85 m up to 90 m p 2 up to 10 bar 1) up to 10 bar 1) H 1geo up to 9 m up to 9 m t -30 to +90 C -30 to +90 C 1) see pressure limits, page 6 Design Horizontal volute casing pumps, single-stage, with open multi-vane impeller. On pump sizes 40-140 and above, the shaft is fitted with a replaceable shaft sleeve in the shaft seal area. Etaprime BN Pump and motor flanged together to form a close-coupled unit, with standardized motor to DIN 42 677. Pump shaft and motor shaft are rigidly connected. Pump connections to DIN/EN or ASME. Etaprime B Pump and motor flanged together to form a close-coupled unit, with common shaft Shaft seal Single-acting mechanical seal to EN 12 756. On Etaprime BN, double-acting mechanical seals are possible. Certification Certified quality management ISO 9001. Designation Type series Casing material Short close-coupled design Stub shaft version with standardized motor Mechanical seal code Discharge nozzle DN (code) Nominal impeller dia. (code) Motor rating: kW x 10 (example 4 kW) Number of motor poles Etaprime G B (BN) 11 50 160 / 40 2 Drive Standard version Etaprime BN Surface-cooled KSB-IEC three-phase squirrel cage motor Winding 50 Hz: up to 2.2 kW 220-240/380-420 V, 4 kW and above: 380-420 /660-725 V, Winding 60 Hz: 440-480 V, Design: 1.1 kW IM B34 1) up to 4 kW IM V1 7.5 kW and above IM V15 Enclosure: IP 55 Thermal class: F with temperature sensors: 3 PTC thermistors Operating mode: continuous operation S1 or surface-cooled three-phase squirrel cage motor as described above, but West European brand to KSB’s choice 1) without temperature sensors, with flange C-120 Standard version Etaprime B Surface-cooled KSB three-phase squirrel cage motor with lon- ger shaft and special flange Winding: up to 2.2 kW, 230/400 V 4 kW: 400/690 V Design: IM B5 Enclosure: IP 55 or IP 54 Thermal class: F Operating mode: continuous operation S1 Contact guard: cover plates on drive lantern to EN 294
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Type series booklet 50 + 60 Hz2746.5/6-10 G2 Etaprime B/BN
Self-priming close-coupled pumps
for pure and contaminated liquids
Fields of applicationWater supply Swimming pool waterFire-fighting systems SeawaterSpray irrigation Fire-fighting waterIrrigation Brackish waterDrainage CondensateAir -conditioning systems BrineDrinking water OilsIndustrial water Cleaning agentsCooling water
Operating data50 Hz 60 Hz
Q up to 100 m3/h (28 l/s) up to 120 m3/h (33 l/s)H up to 85 m up to 90 mp2 up to 10 bar 1) up to 10 bar 1)
H1geo up to 9 m up to 9 mt -30 to +90 �C -30 to +90 �C1) see pressure limits, page 6
DesignHorizontal volute casing pumps, single-stage, with openmulti-vane impeller.On pump sizes 40-140 and above, the shaft is fitted with areplaceable shaft sleeve in the shaft seal area.Etaprime BNPump and motor flanged together to form a close-coupled unit,with standardized motor to DIN 42 677.Pump shaft and motor shaft are rigidly connected.Pump connections to DIN/EN or ASME.Etaprime BPump and motor flanged together to form a close-coupled unit,with common shaft
Shaft sealSingle-acting mechanical seal to EN 12 756.On Etaprime BN, double-acting mechanical seals are possible.
CertificationCertified quality management ISO 9001.
Designation
Type seriesCasing materialShort close-coupled designStub shaft version withstandardized motor
Mechanical seal codeDischarge nozzle DN (code)Nominal impeller dia. (code)Motor rating: kW x 10 (example 4 kW)Number of motor poles
Etaprime G B (BN) 11 50 160 / 40 2
DriveStandard version Etaprime BNSurface-cooled KSB-IEC three-phase squirrel cage motorWinding 50 Hz: up to 2.2 kW 220-240/380-420 V,
4 kW and above: 380-420 /660-725 V,Winding 60 Hz: 440-480 V,Design: 1.1 kW IM B34 1)
up to 4 kW IM V17.5 kW and above IM V15
Enclosure: IP 55Thermal class: F with temperature sensors:
3 PTC thermistorsOperating mode: continuous operation S1orsurface-cooled three-phase squirrel cage motor as describedabove, but West European brand to KSB’s choice1) without temperature sensors, with flange C-120
Standard version Etaprime BSurface-cooled KSB three-phase squirrel cage motor with lon-ger shaft and special flangeWinding: up to 2.2 kW, 230/400 V
4 kW: 400/690 VDesign: IM B5Enclosure: IP 55 or IP 54Thermal class: FOperating mode: continuous operation S1Contact guard: cover plates on drive lantern to EN 294
EP1450.01
5 10 20 30 40 50 100 200 300 400US.gpm
4 5 10 20 30 40 50 100 200 300IM.gpm
0.3 0.4 0.5 1 2 3 4 5 10 20l/s
1 2 3 4 5 10 20 30 40 50 100Q[m /h]3
4
5
10
20
30
40
50
ft
1
2
3
4
5
10
20
25
H[m]
100--240.1 L/BN
80--190 L/BN
80--170 L/BN
65--150 L/BN/B
50--160 L/BN/B
50--130 L/BN/B
40--140 L/BN/B
40--110 L/BN
32--120 L/BN
25--100 L/BN
80--200 L/BN65--180 L/BN
1)
1)
1)
1)
1)
1)
1)
1)1)
1) lieferbar auch in Chrom-Nickel-Molybdänstahlguss1) also available in cast CrNiMo steel1) Egalement disponible en acier moulé au CrNiMo
1) Suministrable también en Acero moldeado al Cr-Ni-Mo1) Ook leverbaar in chroom-nikkel-molybdeenstaal1) Disponibile anche come fusione di acciaio al cromo-nichel-molibdeno
EP2900.01
5 10 20 30 40 50 100 200 300 400 500US.gpm
4 5 10 20 30 40 50 100 200 300 400 500IM.gpm
0.3 0.4 0.5 1 2 3 4 5 10 20 30 40 50l/s
1 2 3 4 5 10 20 30 40 50 100 200Q[m /h]310
20
30
40
50
100
200
ft
3
4
5
10
20
30
40
50
90
H[m]
100--240.1 L/BN80--200 L/BN
80--170 L/BN
65--180 L/BN
32--120 L/BN
25--100 L/BN
80--190 L/BN
65--150 L/BN/B
50--160 L/BN/B
40--140 L/BN/B
40--110 L/BN
50--130 L/BN/B
1)
1)
1)
1)
1)
1)
1)
1)1)
1) lieferbar auch in Chrom-Nickel-Molybdänstahlguss1) also available in cast CrNiMo steel1) Egalement disponible en acier moulé au CrNiMo
1) Suministrable también en Acero moldeado al Cr-Ni-Mo1) Ook leverbaar in chroom-nikkel-molybdeenstaal1) Disponibile anche come fusione di acciaio al cromo-nichel-molibdeno
Etaprime B/BN
2
n = 1.450 1/min
n = 2.900 1/min
EP1750.01
5 10 20 30 40 50 100 200 300 400 500US.gpm
4 5 10 20 30 40 50 100 200 300 400IM.gpm
0.3 0.4 0.5 1 2 3 4 5 10 20 30l/s
1 2 3 4 5 10 20 30 40 50 100 120Q[m /h]3
4
5
10
20
30
40
50
100
ft
1
2
3
4
5
10
20
30
35
H[m]
100--240.1 L/BN80--200 L/BN
80--190 L/BN
80--170 L/BN
65--180 L/BN
65--150 L/BN/B
50--160 L/BN/B
50--130 L/BN/B
40--140 L/BN/B
40--110 L/BN
32--120 L/BN
25--100 L/BN
1)
1)
1)
1)
1)
1)
1)
1)
1)
1) lieferbar auch in Chrom-Nickel-Molybdänstahlguss1) also available in cast CrNiMo steel1) Egalement disponible en acier moulé au CrNiMo
1) Suministrable también en Acero moldeado al Cr-Ni-Mo1) Ook leverbaar in chroom-nikkel-molybdeenstaal1) Disponibile anche come fusione di acciaio al cromo-nichel-molibdeno
EP3500.01
5 10 20 30 40 50 100 200 300 400 500US.gpm
4 5 10 20 30 40 50 100 200 300 400 500IM.gpm
0.3 0.4 0.5 1 2 3 4 5 10 20 30 40 50l/s
20 30 40 50 100 2003
20
30
40
50
100
200
300
ft
5
10
20
30
40
50
100110
H[m]
100--240.1 L/BN
80--200 L/BN
80--190 L/BN
80--170 L/BN
65--180 L/BN
65--150 L/BN/B
50--130 L/BN/B
32--120 L/BN
25--100 L/BN
50--160 L/BN/B
Q[m /h] 2 3 4 5 101
1)
40--140 L/BN/B 1)
1)
1)
1)
1)
1)
1)
1) lieferbar auch in Chrom-Nickel-Molybdänstahlguss1) also available in cast CrNiMo steel1) Egalement disponible en acier moulé au CrNiMo
1) Suministrable también en Acero moldeado al Cr-Ni-Mo1) Ook leverbaar in chroom-nikkel-molybdeenstaal1) Disponibile anche come fusione di acciaio al cromo-nichel-molibdeno
3
1)40--110 L/BN
Etaprime B/BN
3
n = 1.750 1/min
n = 3.500 1/min
Unit is insensitiveto the penetrationof gas and air.
Service-friendly, sturdyKSB IEC three phase motor
Excellent suction behaviour,self-priming up to 9 m; nofoot valve required.
Self-priming after thepump casing hasbeen filled with thefluid handled.
Inspection coverfor easy cleaning.
Back pull-out design:the casing may remainin the pipeline when thepump is dismantled.
Reliable, maintenance-free mechanical seal.
Shaft sleeve preventswear on the shaft.
UG1026788:038/1
Double-acting mechanicalseal available for toughapplications
Etaprime B/BN
4
Product Advantages at a GlanceEtaprime BN
Etaprime B/BN
5
Overview of Type SeriesSizes and types availablePump size ETAPRIME L ETAPRIME BN ETAPRIME B
25-100 E / T o E / T o o o32-120 17 E / T E / T E / T E / T o o40-110 E / T E / T E / T E / T o o40-140 E / T / B E / T / B E / T / B E / T / B E o50-130
25E / T / B E / T / B E / T / B E / T / B E o
50-160 25 E / T / B E / T / B E / T / B E / T / B E o65-150 E / T / B E / T / B E / T / B E / T / B E o65-180 E / T / B E / T / B E / T / B E / T / B o o80-170 E / T / B E / T / B E / T / B E / T / B o o80-190 35 E / T / B o E / T / B o o o80-200 E / T / B E / T / B E / T / B E / T / B o o
100-240.1 E / T / B o E / T / B o o o
= available sizeo = size not availableE = single-acting mechanical seal (standard design)T = double-acting mechanical seal in TANDEM arrangement possibleB = double-acting mechanical seal in BACK-to-BACK arrangement possible
1) not fitted on shaft unit 172) not fitted on Etaprime B3) for shaft unit 17 = Chrome nickel molybdenum steel 1.45714) to EN 1561 = GJL-2505) for shaft unit 17 = Chrome nickel molybdenum steel 1.4408For shaft unit / pump size combinations see Overview of Type Series above
Flange Connections / Pump connectionsPump size Shaft Standard Special
unit connection connection25-100 Pipe thread Pipe thread32-120 17 Rp to ISO 7/1 NPT to ASME B1.20.140-11040-14050-130
2550-160 25
65-150 Flange Flange65-180 to EN 1092-2, PN16, (JL 1040) to ASME BE 16.1 Class 12580-170 to EN 1092-1, PN16, (1.4408) (to ZN 2606)80-190 3580-200
100-240.1
2746:7/3
0.5 to 1 m
Caution
Etaprime B/BN
6
Pressure limitsPumpsize
Dis-chargepressurep2 1)(bar)
Testpressure
2)
(bar)
Pump size Dis-chargepressurep2 1)(bar)
Testpressure
2)
(bar)
25-10032-12040-11040-14050-13050-160
10.010.010.010.010.010.0
15.015.015.015.015.015.0
65-15065-18080-17080-19080-200100-240.1
10.010.010.010.010.010.0
15.015.015.015.015.015.0
1) Thesumof inlet pressureand headat zero flow pointmust not exceedthe values indicated.
2) Thecasingcomponents arechecked for leakage bymeans of internalpressure tests to AN 1897/75--03 with water.
Priming Timewith a horizontal length of the suction line of 1 mand suction lineDN = pump DN
ETAPRIMEB / BN
Suction time [ sec ]for speed n = 2,900/3,500 rpm
at a static suction lift H1geo of ... mB / BN2 m 4 m 5 m 7 m 8 m
1) General criteria for results of water analysis: pH value � 7;chloride (Cl) content � 150 mg/kg. Chlorine (Cl2) � 0.6 mg/kg.Ammonia (NH3) � 5mg/kg, free from hydrogen sulphide (H2S); no limitation of Cl content required in this case.
2) Treatment to VdTÜV 1466; additional requirement : O2 � 0.02 mg/l.3) Antifreeze on ethylene glycol basis with inhibitors. Content: 20 % to 50 % (e.g. Antifrogen N)4) No ultra-pure water! Conductivity at 25 �C: � 800 �S/cm.
6 B Förderflüssigkeit-Entleerung / Casing drain / Vidange du liquide véhiculé /Scarico del liquido convogliato / Vaciado del líquido de impulsión / aftap. pomphuis
6 D Förderflüssigkeit-Auffüllen und Entlüften / Fluid handled-priming and venting /Remplissage et dégazage de liquide véhiculé / Riempimento e scaricodel liquido convogliato / Llenado y desaireacción del líquido de impulsión / vul en ontluchting
n=1.4501/min
n=1.7501/min
n=2.9001/min
n=3.5001/min
Etaprime B/BN
8
Etaprime B 40-140/... -- 65-150/...with motor foot from motor size 132 = 5.5 kW
Etaprime B 6 B 1) 6 D 1)
40-140/...50-130/...50-160/...65-150/...
Rc 3/8Rc 1/2Rc 1/2Rc 1/2
Rc 3/4Rc 3/4Rc 3/4Rc 3/4
1) Rc = ISO 7/1
Flange dimensions mmFlange Dia. of
connection DN bolt circle z d l140 110
Standard 50 125 4 40StandardEN 1092-1 65 145
4M 16
40EN 1092 1EN 1092-2 80 160
8
M 16
45100 180
8 45
S i l40 98.6 UNC 1/2-13
SpecialASME BE 16 1
50 120.74 40ASME BE 16.1
Class 12565 139.7
4UNC 5/8-11
40Class 125(ZN 2606) 80 152.4
UNC 5/8-11(ZN 2606)
100 190.5 8 45Tolerances of connecting dimensions as per EN 735 mm
1) h1≥ h4 2) For these motor sizes, shims etc. will have to be fitted under the motor/pump feet.
6 B Förderflüssigkeit-Entleerung / Casing drain / Vidange du liquide véhiculé /Scarico del liquido convogliato / Vaciado del líquido de impulsión / aftap. pomphuis
6 D Förderflüssigkeit-Auffüllen und Entlüften / Fluid handled-priming and venting /Remplissage et dégazage de liquide véhiculé / Riempimento e scarico del liquidoconvogliato / Llenado y desaireacción del líquido de impulsión / vul en ontluchting
n=1.4501/min
n=1.7501/min
n=2.9001/min
n=3.5001/min
Etaprime B/BN
9
Etaprime BN
Etaprime BN 6 B 1) 6 D 1)
25-100/...32-120/...40-110/...
Rc 1/8Rc 1/8Rc 1/8
Rc 3/4Rc 3/4Rc 3/4
1) Rc = ISO 7/1
Tolerances of connecting dimensions as per EN 735 mm
Connection
Standard SpecialEtaprime BN 4) DN 2) DN 3) a b1 b2 h1 h2 h3 i l1 ca. w
25--100 / 054 X X Rp 1 NPT 1 70 104 95 87 227 38 152 399 102/ 112 X X Rp 1 NPT 1 70 104 95 87 227 38 152 399 102
32--120 / 054 X X Rp 1 1/4 NPT 1 1/4 95 118 95 90 239 46 149 421 99/ 112 X X Rp 1 1/4 NPT 1 1/4 95 118 95 90 239 46 149 421 99
40--110 / 054 X X Rp 1 1/2 NPT 1 1/2 105 118 110 101 256 55 154 436 104/ 112 X X Rp 1 1/2 NPT 1 1/2 105 118 110 101 256 55 154 436 104
2) Standard connection to ISO 7/13) Special connection to ASME B1.20.14) For these motor sizes, 30 mm thick shims etc. must be placed under the motor feet.
6 B Förderflüssigkeit-Entleerung / Casing drain / Vidange du liquide véhiculé /Scarico del liquido convogliato / Vaciado del líquido de impulsión / aftap. pomphuis
6 D Förderflüssigkeit-Auffüllen und Entlüften / Fluid handled-priming and venting /Remplissage et dégazage de liquide véhiculé / Riempimento e scarico del liquidoconvogliato / Llenado y desaireacción del líquido de impulsión / vul en ontluchting
Etaprime B/BN
10
Etaprime BNwith motor foot from motor size 132 = 5.5 kW
Etaprime BN 6 B1) 6 D1)
40-140/...50-130/...50-160/...65-150/...
Rc 3/8Rc 1/2Rc 1/2Rc 1/2
Rc 3/4Rc 3/4Rc 3/4Rc 3/4
65-180/...80-170/...80-190/...80-200/...
100-240.1/...
Rc 1/2Rc 3/4Rc 3/8Rc 1/2Rc 3/4
Rc 3/4Rc 3/4Rc 3/4Rc 3/4Rc 3/4
1) Rc = ISO 7/1
Flange dimensions mmFlange Dia. of
connection DN bolt circle z d l140 110
Standard 50 125 4 40StandardEN 1092-1 65 145
4M 16
40EN 1092 1EN 1092-2 80 160
8
M 16
45100 180
8 45
S i l40 98.6 UNC 1/2-13
SpecialASME BE 16 1
50 120.74 40ASME BE 16.1
Class 12565 139.7
4UNC 5/8-11
40Class 125(ZN 2606) 80 152.4
UNC 5/8-11(ZN 2606)
100 190.5 8 45
n=1.4501/min
n=1.7501/min
n=2.9001/min
n=3.5001/min
Etaprime B/BN
11
Tolerances of connecting dimensions as per EN 735 mm