Rev. E

PRA

CENTRIFUGAL PUMPS CONTENTS

50Hz Page

- SPECIFICATIONS SELECTION CHART PERFORMANCE CHART PRA 0.50 PERFORMANCE CHART PRA 0.80 PERFORMANCE CHART PRA 1.00 PERFORMANCE CHART PRA 1.50 PERFORMANCE CHART PRA 2.00

- CONSTRUCTIONS SECTIONAL VIEW MECHANICAL SEAL MECHANICAL SEAL DIAGRAM AND ELECTRIC CONNECTIONS DIAGRAM AND ELECTRIC CONNECTIONS

- DIMENSIONS PACKING AND WEIGHT

- TECHNICAL DATA

200 201 202 203 204 205 206

300 300 301 302 303 304

400 401 500

100

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS SPECIFICATIONS

50Hz PUMP

Liquid Handled

Type of liquid Max temperature

Maximum working pressure Impeller Shaft seal type Bearing Pipe Suction Connection Discharge Casing Impeller Material Shaft seal Shaft Bracket Applicable standard of test

[°C] [MPa]

Construction

[inch] [inch]

Clean water 80 0.6 (PRA 0.50) 0.75 (PRA 0.80) 1.2 (PRA 1.00-1.50-2.00) Peripheral turbine type Mechanical seal Sealed ball bearing G1 G1 Cast iron Brass Ceramic/Carbon/NBR Carbon steel - AISI 303 (wet extension) Cast iron ISO 9906 – Annex A

MOTOR Electric - TEFC

Type No. of Poles Synchronous speed Insulation Class Protection degree kW/HP Rating Frequency Voltage Capacitor Over load protection Casing material Base material Dimensions of cable entry

Single Phase 2 3000 Class F IP 44 0.37 ÷ 1.5 0.5 ÷ 2 50

[min-1]

[kW] [HP] [Hz] [V]

Three Phase

230 ±10% Built in Built in

230/400 ±10% Provided by the user Aluminium Aluminium PG 11 - PG 13.5 (see dimensions page 400)

200

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS SELECTION CHART

50Hz

Type pumps Single phase Three phase 230 V 230/400 V 50 Hz 50 Hz PRA 0.50 M PRA 0.50 T PRA 0.80 M PRA 0.80 T PRA 1.00 M PRA 1.00 T PRA 1.50 M PRA 1.50 T PRA 2.00 M PRA 2.00 T

kW

HP

0.37 0.6 0.75 1.1 1.5

0.5 0.8 1 1.5 2

Q=Capacity l/min 5 10 15 20 35 50 65 3 3.9 m³/h 0.3 0.6 0.9 1.2 2.1 H=Total manometric head in meters 37 33.3 28.7 23.7 5 56 50.7 45.1 39.8 25 12 62 54.4 47 40.4 24.3 13 81 76.9 71.9 55.8 37.9 18 88 82.9 77 59.8 43.3 27.4

70 4.2 22

TYPE KEY: PRA

1.00

M Voltage

HP CODE

M T

Single phase Three phase

0.50 0.80 1.00 1.50 2.00

Type model

201

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS PERFORMANCE CURVE

50Hz

PRA 0.50 (0.37 kW) SYNCHRONOUS SPEED: 3000 min-1

Temperature of water: 20°C Impeller diameter = 60 mm Applicable standard of test: ISO 9906 – Annex A

202

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS PERFORMANCE CURVE

50Hz

PRA 0.80 (0.6 kW) SYNCHRONOUS SPEED: 3000 min-1

Temperature of water: 20°C Impeller diameter = 70 mm Applicable standard of test: ISO 9906 – Annex A

203

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS PERFORMANCE CURVE

50Hz

PRA 1.00 (0.75 kW) SYNCHRONOUS SPEED: 3000 min-1

Temperature of water: 20°C Impeller diameter = 70.8 mm Applicable standard of test: ISO 9906 – Annex A

204

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS PERFORMANCE CURVE

50Hz

PRA 1.50 (1.1 kW) SYNCHRONOUS SPEED: 3000 min-1

Temperature of water: 20°C Impeller diameter = 77 mm Applicable standard of test: ISO 9906 – Annex A

205

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS PERFORMANCE CURVE

50Hz

PRA 2.00 (1.5 kW) SYNCHRONOUS SPEED: 3000 min-1

Temperature of water: 20°C Impeller diameter = 78.2 mm Applicable standard of test: ISO 9906 – Annex A

206

EBARA PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS CONSTRUCTIONS

50Hz SECTIONAL VIEW

N° 1 3 6 7 11 12 13 14 15 16 17 18 19

PART NAME Casing Motor bracket Shaft with rotor Impeller Mechanical seal [2] Motor frame with stator Motor cover Fan Fan cover Terminal box Terminal box cover [3] Splash ring Pump side ball bearing

MATERIAL

NO.FOR 1 UNIT



PART NAME

Cast iron Cast iron [1] Brass Carbon/Ceramic/NBR Aluminium Polypropilene Fe P04 Zinkend Aluminium NBR -

1 1 1 1 1 1 1 1 1 1 1 1 1

20 21 22 23 24 26 30 32 33 52 53 75 200

Fan side ball bearing Adjusting ring Steel C70 Tie rod Fe 42 Zinked Capacitor [4] Priming plug Brass O-Ring NBR Washer AISI 304 Key AISI 304 Seeger ring AISI 304 Capacitor box [4] Polypropilene Capacitor box cover [4] Polypropilene Washer Aluminium Screw Stainless steel A2 UNI 7323

MATERIAL

NO.FOR 1 UNIT 1 1 4 1 1 1 1 1 1 1 1 1 3

[1] Material:

C10 for version PRA 0.50 AISI 420 for PRA 0.80 and PRA 1.00 AISI 303 (wet extension) for the other version [2] See constructions mechanical seal page 301-302 [3] Only for three phase [4] Only for single phase

300

EBARA PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036 &216758&7,216

35$ 50Hz

0(&+$1,&$/6($/

REF

PART NAME

MATERIAL product standard

A B C D E F G H

Rotary seal ring Stationary seal ring Gasket Bellows Ring Self driving spring Frame Retainer ring

PRA carbon graphite ceramic NBR NBR AISI 304 AISI 304 AISI 304 AISI 304

Version : PRA 0.50 - PRA 0.80 - PRA 1.00



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036 &216758&7,216

35$ 50Hz

0(&+$1,&$/6($/

REF

PART NAME

MATERIAL product standard

A B C D E F G

Rotary seal ring Stationary seal ring O Ring O Ring O Ring Self driving spring Frame

PRA ceramic carbon graphite NBR NBR NBR AISI 316 AISI 304

Version : PRA 1.50 - PRA 2.00



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036 &216758&7,216

35$ 50Hz

',$*5$0$1'(/(&75,&&211(&7,216 7+5((3+$6(02725



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036 &216758&7,216

35$ 50Hz

',$*5$0$1'(/(&75,&&211(&7,216 6,1*/(3+$6(02725

For model PRA 0.50 M PRA 0.80 M PRA 1.00 M

PRA 1.50 M PRA 2.00 M



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036

35$

',0(16,216

50Hz

Type pumps PRA 0.50M PRA 0.50T PRA 0.80M PRA 0.80T PRA 1.00M PRA 1.00T PRA 1.50M PRA 1.50T PRA 2.00M PRA 2.00T

A

B

C

D

E

F

H

H1

Dimensions mm H2 H3 H4 M

M1

R

T

W

S

130

263.5

148.5

10

50

7

143

63

80

-

23

100 120

118.5

PG11

69

7

130

263.5

148.5

10

50

7

143

63

80

149.5

100

23

100 120

118.5

-

69

7

130

290.5

159.3

11

53.8

9

161

71

90

-

178 112

25

112 135

122

PG11

69

7

150

290.5

159.3

11

53.8

9

161

71

90

167.5

150

290.5

159.3

11

53.8

9

161

71

90

-

150

290.5

159.3

11

53.8

9

161

71

90

167.5

162

330.5

188

12

57

12

175

80

95

-

162

330.5

188

12

57

12

175

80

95

186.5

162

330.5

188

12

57

12

175

80

95

-

162

330.5

188

12

57

12

175

80

95

186.5

160 100 -

N

N1

112

25

112 135

122

-

69

7

178 112

25

112 135

122

PG11

69

7

-

69

7

PG13.5 88

9

112

25

112 135

122

212 124

-

28

125 152

144

124

28

125 152

144

212 124

-

28

125 152

144

28

125 152

144

-

124

88

9

PG13.5 88

-

9

-

88

9

[1] = Only for three phase [2] = Only for single phase



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

&(175,)8*$/38036

35$

3$&.,1*$1':(,*+7

50Hz

TYPE PUMPS Single phase

Three phase

PRA 0.50 M PRA 0.80 M PRA 1.00 M PRA 1.50 M PRA 2.00 M

PRA 0.50 PRA 0.80 PRA 1.00 PRA 1.50 PRA 2.00

X 285 310 310 350 350

PACKING [mm] Y 165 195 95 230 230

WEIGHT [kg] Z 145 165 165 190 190

Single phase

Three phase

5.6 9.2 9.7 14.5 15.8

5.6 9.2 9.7 14.5 15.8



(%$5$ PUMPS EUROPE S.p.A.

Rev. E

PRA

CENTRIFUGAL PUMPS TECHNICAL DATA

Type pumps Single phase Three phase 230 V 230/400 V 50 Hz 50 Hz PRA 0.50 M PRA 0.50 PRA 0.80 M PRA 0.80 PRA 1.00 M PRA 1.00 PRA 1.50 M PRA 1.50 PRA 2.00 M PRA 2.00

50 Hz

kW

HP

0.37 0.5 0.6 0.8 0.75 1 1.1 1.5 1.5 2

Capacitor Single phase Vc mF 10 16 20 35 40

450 450 450 450 450

Input [kW] Single Three Phase Phase 0.6 0.5 1.1 1.1 1.3 1.3 2.3 2.0 2.5 2.3

Full load current Locked rotor current [A] Single Three Phase Single phase Three phase Phase 230 V 400 V 230 V 230 V 400 V 2.6 1.7 1.0 6.9 6.6 3.8 4.9 3.6 2.1 16.5 17.3 10 5.6 4.1 2.4 19 21.7 12.5 10.0 6.3 3.6 39 39.8 23 10.9 7.0 4.0 43 42.4 24.5

Type pumps Ball bearing Single phase Three phase Pump side Fan side 230 V 230/400 V PRA 0.50 M

PRA 0.50

6201 ZZ

6201 ZZ

PRA 0.80 M

PRA 0.80

6202 ZZ

6202 ZZ

PRA 1.00 M

PRA 1.00

6202 ZZ

6202 ZZ

PRA 1.50 M PRA 2.00 M

PRA 1.50 PRA 2.00

6204 ZZ 6204 ZZ

6203 ZZ 6203 ZZ

500

EBARA PUMPS EUROPE S.p.A.