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High efficiency

Performance

Pumps equipped with top runner motor

INDEX

Type symbol

Material symbol

Details

Motor capacity

Page

EZN

316

Direct connection; floor-mounted; side terminal box

0.75~3.7 kW

4

304

EZM

316

Direct connection; floor-mounted; side terminal box

0.75~15 kW

4

304

EZL

316

Direct connection; floor-mounted; side terminal box

1.5~15 kW

4

304

EZB

316

Direct connection; floor-mounted; side terminal box

5.5~15 kW

4

ESM

316

Separate; fixed to floor

22 kW

5

304

ESL

316

Separate; fixed to floor

22~30 kW

5

304

ESB

316

Separate; fixed to floor

22~37 kW

5

EZH

316

Small-capacity closed impeller

1.5~15 kW

4, 5

ECN

316

Coupling; floor-mounted; explosion-proof motor

1.5~3.7 kW

7

304

ECM

316

Coupling; floor-mounted; explosion-proof motor

1.5~7.5 kW

7

304

ECL

316

Coupling; floor-mounted; explosion-proof motor

1.5~7.5 kW

7

304

ECB

316

Coupling; floor-mounted; explosion-proof motor

5.5~7.5 kW

7

ECH

316

Coupling; floor-mounted; explosion-proof motor

1.5~7.5 kW

7

Material

SUS316 (or equivalent) SUS304 (or equivalent)

Production standard

External finish

Beads shot blast

Internal finish

#320 to #400

Buff polishing

In-between surface tolerance

±1.5mm or less

Parallelism at ends

±0.5°

Squareness

±0.5°

Lubricant application specifications

Application specifications

Application area

Note

Standard specifications

Shaft axial part

-

Wetted surface lubrication prohibited area

Shaft axial part

(Partial wiping with alcohol)

Be sure to give lubricity to the sliding seal part with fresh water, etc. before starting operation.

Lubricant

NOK Kluber PAPALIQ GTE 703*1 (NFF category H1)

* 1 Conforming to the Food Sanitation Law

►  Pump selection and ordering

    When using our pumps, be sure to use them within the respective pump specifications. If pumps will be use outside the scope of specifications, a design with higher safety taking into consideration various conditions is required. We would be pleased to offer consultation if you provide us with information.

►   Ordering

     O Refer to the specifications on page 13 and the type symbol table on page 14 to specify your required pumps.

►    Cross-section view

●    Achieves high efficiency using a three-dimensionally curved semi-closed impeller and a back-volure type casing. (Pump efficiency np = 70%)

●    Achieves low NPSH using a original intake angle and an appropriate impeller profile. (3m at NPSH (RH) 60m³)

●    Achieves low-noise operation using a special motor and a original motor cover. (Noise reduced by 3 to 10 dB in comparison with our conventional model)

●    Realizes a rigid structure through development of a top runner motor specifically for pump use.

(Larger load-side bearing, shaft seals with outdoor specifications, etc.)

●    Achieves high hygienic property by using a reversible clutch-type external mechanical seal.

●    Main body lineup of five types (N, M, L, B and H) which can cope with any capacity and pump head.

(Capacity: Up to 150 m³/hr; Pump head; Up to 100m; Motor power: 0.75 to 37kw)

●    Small-capacity closed-impeller type (EZH) achieves high-efficiency operation at low noise and low NPSH.

►    Cross-section view (EZ, ES type)

Impeller nut compatible with back wash (reverse)

* Refer to "(1) Material classification" on Page 14

* Conforming to food hygiene test (Ministry of Health and Welfare builletin).

0.75 to 15kW direct-coupled type (integrated motor/shaft type)

EZtype

Type

Dimensions

Motor

kW

Dimensions

(mm)

S/D*

D/D*

A*⁴

B

C

F*⁴

FS*⁶

D1

D2*⁵

H1

H2*⁵

W

WS*⁶

E

Q

J

JS*⁶

G

GS*⁶

N-M

EZN

2 ½

(2)

(1 ½)

2

(1 ½)

100*¹

105.5

150*⁷

0.75

148.5

150.5

220

150

346

276

145

125

187

182

386

383

290

250

4-M12

1.5~2.2

145.5

149.5

230

160

357

287

160

140

202

184

411

415.5

320

250

4-M12

3.7

150.5

149.5

250

182

385

317

210

190

252

209

463

463

345

280

4-M12

EZM

EZH

3

2

(3)

105

99

180*²

0.75

152.5

154.5

220

150(200)

346

276(326)

145

125

187

182

385

382

290

250

4-M12

1.5~2.2

149.5

153.5

230

160(210)

357

287(337)

160

140

202

184

410

414.5

320

250

4-M12

3.7

154.5

153.5

250

182

385

317

210

190

252

209

462

462

345

280

4-M12

5.5~7.5

208

-

290

237

452

399

276

-

314

264

521

-

260

-

4-M12

11~15

201.5

-

290

225

485

420

314

-

357

291

653

-

360

-

4-M16

EZL

3

2

(3)

115

99

180*²

1.5~2.2

160

159

230

160(210)

357

287(337)

160

140

202

184

410

414.5

320

250

4-M12

3.7

165

164

250

182

385

317

210

190

252

209

462

462

345

280

4-M12

5.5~7.5

218

-

290

237

452

339

276

-

314

264

521

-

260

-

4-M12

11~15

211.5

-

290

225

485

420

314

-

357

291

653

-

360

-

4-M16

EZB

4

2 ½

(4)

135

105.5

190*³

5.5~7.5

228.5

-

290

237

452

399

276

-

314

264

511

-

260

-

4-M12

11~15

222

-

290

225

485

420

314

-

357

291

643

-

360

-

4-M16

* S/D shows the suction port diameter and D/D shows the discharge port diameter.

* 1 For S/D size of (2) or (1 ½), dimensions A and F increase by +20mm.

* 2 For D/D size of (3), dimensions C increases by +40mm.

* 3 For D/D size of (4), dimensions C increases by +105mm.

* 4 When the pipe end is sanitary flange or JIS 10K flange, dimensions A and F increase by +10mm.

*5 Dimensions D2 and H2 in parentheses are for when an optional extension spacer is attached.

      (If the attachment surface is the whole surface, an extension spacer is required.)

* 6 For FS, JS, GS, and WS, SUS304 is employed for the motor base.

* 7 For sanitary flange with D/D size of (1 ½), dimension C increases by +10mm.

1.5 to 15kW small-capacity closed impeller pump

EZHtype

●    Employment of separated-type closed impeller allows you to change EZM type to EZH type by replacing the following 4 parts.

●    Achieves stable operations at lower noise (2 to 3dB decrease) and NPSH (0.2 to 0.5m decrease) more efficiently (10 to 50% increase) in low flow rate area.

●    Contamination is prevented and impeller finish roughness is good.

* 1 For high pump heads. SCS16 may be used as the material.

* 2 Refer to "(1) Material classification" on Page 14.

22 to 37kW separate type pump

EStype

Large-capacity bearing-equipped pump (22kW to 37 kW)

· Terminal box for 30 to 37kW is mounted on the upper part.

· Outdoor-type motor is used for this type as standard.

(without motor cover)

Type

Motor kW

Dimensions

(mm)

S/D*

D/D*¹

A*³

B

C

D

E

F*³

G

H

J

K

W

ESM

22

3

2(3)

105

99

180

316

145

102

385.25

290

1120

1013

350

ESL

22

3

2(3)

115

99

180*¹

316

155

102

385.25

290

1120

1013

350

30

3

2(3)

115

99

180*¹

316

155

102

394.75

290

1174

1013

400

ESB

22

4

2½(4)

135

105.5

190*²

316

165.6

102

385.25

290

1110

1013

350

30

4

2½(4)

135

105.5

190*²

316

165.6

102

394.75

290

1164

1013

350

37

4

2½(4)

135

105.5

190*²

336

165.6

102

382.25

330

1216

1013

400

►    Cross-section view (EC type)

1.5 to 7.5kW Coupling type (explosion-proof motor)

ECtype

Use of explosion-proof motor (d2G4) enables not only energy-saving operation when combined with an inverter but also use in Class

I hazardous area.

Type

Dimensions

Motor

kW

Dimensions

(mm)

S/D*

D/D*

A*⁴

B

C

F*⁴

FS*⁶

D1

D2*⁵

H1

H2*⁵

W

WS*⁶

E

Q

J

G

GS*⁶

N-M

R

EZN

2 ½

(2)

(1 ½)

2

(1 ½)

100*¹

105.5

150*⁷

1.5~2.2

-

180

230

160

371.3

301.3

-

140

122.5

256.3

452.4

-

250

4-M12

PF ¾

3.7

269

268

250

182

411.5

343.5

210

190

252

261

536

345

280

4-M12

PF 1

EZM

EZH

3

2

(3)

105

99

180*²

1.5~2.2

-

184

230

160(210)

371.3

301.3(351.3)

-

140

122.5

256.3

452.4

-

250

4-M12

PF ¾

3.7

273

272

250

182

411.5

343.5

210

190

252

261

536

345

280

4-M12

PF 1

5.5~7.5

331.5

-

290

237

466.5

413.5

276

-

158

320

608

260

-

4-M12

PF 1¼

EZL

3

2

(3)

115

99

180*²

1.5~2.2

-

194

230

160(210)

371.3

301.3(351.3)

-

140

122.5

256.3

452.4

-

250

4-M12

PF ¾

3.7

283

282

250

182

411.5

343.5

210

190

252

261

536

345

280

4-M12

PF 1

5.5~7.5

341.5

-

290

237

466.5

413.5

276

-

158

320

608

260

-

4-M16

PF 1¼

EZB

4

2 ½

(4)

135

105. 5

190*³

5.5~7.5

361.5

-

290

237

466.5

413.5

276

-

158

320

608

260

-

4-M12

PF 1¼

* S/D shows the suction port diameter and D/D shows the discharge port diameter.

* 1 For S/D size of (2) or (1 ½), dimensions A and F increase by +20mm.

* 2 For D/D size of (3), dimensions C increases by +40mm.

* 3 For D/D size of (4), dimensions C increases by +105mm.

* 4 When the pipe end is sanitary flange or JIS 10K flange, dimensions A and F increase by +10mm.

*5 Dimensions D2 and H2 in parentheses are for when an optional extension spacer is attached.

      (If the attachment surface is the whole surface, an extension spacer is required.)

* 6 For FS, JS, GS, and WS, SUS304 is employed for the motor base.

* 7 For sanitary flange with D/D size of (1 ½), dimension C increases by +10mm.

Sanitary pump characteristics table

Tolerance

ISO 2548 Q ± 8%

ISO 2548 Q ± 6%

50Hz (2E)

Characteristics data conditions

Pump piping

·   Fluid: Fresh water at 15°C

·   Suction port diameter x discharge port diameter

N: 2.5s x 2s

M: 3s x 2s

L: 3s x 2s

B: 4s x 2.5s

·   Rotation speed: Actual rotation speed at each motor capacity

·   Suction water head: 1 to 2m (G)

·   Set the flow rate of suction piping to 1m/s or less.

·   Perform flow rate adjustment with the inverter or discharge throttle valve not with suction-side throttle valve.

Handling of viscous fluid

Tolerance

ISO 2548 Q ± 8%

ISO 2548 Q ± 6%

60Hz (2W)

Handling of viscous fluids

Note

·   In the case of viscous fluids, it is necessary to compensate for the viscosity.

Fill out necessary items in the specifications on Page 13 and contact our company.

·   The viscosity that can be handled is 300mPa∙s or less.

·   Even for viscous fluids, the pump characteristics tests are conducted by conversion to water equivalent values.

·   Select a motor with wide margin.

·   For quenching mechanism and double mechanism. It is necessary to add 0.3 to 0.5kW to this characteristics table.

·   When operating in the low-flow-rate area (5m³/h or less), fluid may become heated.

·   Be sure to operate at positive pressure at the suction side as a rule.

Mechanical seal and maintenance jig

·  An outside system clutch type that can withstand reversing during backwash and is sanitary.

·  Maintenance cost is low because only sliding part is replaced

·  Should be used with a suction head of within 0.5MPa.

►     Standard type

►     Quenching type

·  Since a stuffing box is provided to prevent quenching water from scattering. If back pressure is applied to the deain side, leakage may occur from each connection part.

·  Use water at 0.5 to 1.0 l/min at normal temperature as quenching water.

* Refer to "(1) Material classification" on Page 14.

Mechanical seal and maintenance jig

►     Double mechanical seal type

·  Allowable leakage amount from each mechanical seal is 3 ml/hr.

·  Seal fluid pressure should be applied at in-pump pressure or less.

* Refer to "(1) Material classification" on Page 14.

►     Mechanical seal selection standards

Material

Fluid properties (upper limit)

Item

Temperature

Slurry

Viscosity

Carbon x Ceramic

(1)

-10~120°C

≤ 0.3%

≤ 300cp

-

Ceramic x Ceramic

(1)

-10~60°C

0.3~1%

≤ 300cp

-

(2)

>60°C

0.3~1%

≤ 300cp

Need to undergo quenching (external cooling).

Superhard x Superhard

(1)

-10~60°C

0.3~0.8%

≤ 250cp

-

(2)

>60°C

0.3~0.8%

≤ 250cp

Need to undergo quenching (external cooling).

Carbon x Ceramic

(1)

>90°C

>0.3%

≤ 300cp

Need to undergo flushing

by double mechanical seal.

Ceramic x Ceramic

(2)

>60°C

>1%

≤ 250cp

Superhard x Superhard

(3)

>60°C

>0.8%

≤ 250cp

Remarks

Allowable leakage amount of mechanical seal is 3ml/hr

 Maintenance jig (option)

Pump shaft cover

Impeller securing jig

Impeller nut attachment/detachment jig

·   Prevents mechanical seal from being broken during disassembly and reassembly.

·   Use this jig to secure the impeller.

·   Use this jig to disassemble and reassemble the impeller nut.

Important points for pump selection and operation

►     Pump head and capacity calculation

·  Overestimation in pressure loss in the piping line may cause motor overload.

·  Underestimation in pressure loss in the piping line may cause insufficient in capacity

·  Total pump head = discharge pump head - suction pump head.

·  In the case of viscous fluid (10mPa∙s or higher), compensate for the viscosity to determine the motor power.

·  Since back wash causes larger pressure loss and pump reversing, provide a bypass circuit.

►     Suction characteristics

·   If the suction pump head is negative and the liquid temperature is too high, cavitation may occur.

·   If gas is mixed in on the suction side, mixed gas/liquid operation will be performed, which will causes the performance to decrease.

·  In the case of NPSH (A) < NPSH (R), consult our company. This problem can be improved in some cases by inducer, etc.

►     Installation and operation

·   The following 4 pump discharge port directions are available; however, the pump should be attached at 0° as much as possible.

(In cases other than 0° and 90°, cavities may be generated in the upper part of the casing. An air vent is required.)

·   Be sure to check the pump rotation direction. The anti-clockwise direction when viewed from the front side is the correct direction.

·   Starting and stopping large-capacity pumps (5.5kW or higher) may affect the service life of each component adversely.

(In this case, it is recommended to perform inverter-based starting and λ-∆ startup at least.)

·   Avoid idling.

·   Be sure to operate with the pump cover attached.

·   For pumps of 3.7kW or less, the pump discharge port

cannot be attached at 180°. 

►     Motor rating table

Efficiency

Frame No.

Insulation

Capacity

kW

Number

of poles

200V/50Hz

200V/60Hz

220V/60Hz

Bearing No.

rpm

A

rpm

A

rpm

A

BRG.D.S

BRG.O.S

IE3

80

F

0.75

2

2900

3.2

3485

2.9

3505

2.9

6207ZZ-C3

6204ZZ-C3

90L

1.5

2

2895

5.8

3470

5.6

3495

5.2

6205ZZ-C3

2.2

2

2880

8.2

3460

8

3495

7.4

112NM

3.7

2

2930

14.6

3510

13.8

3530

12.8

6306ZZ-C3

132S

5.5

2

2930

21.6

3520

20.4

3530

19

6310ZZ-C3

7.5

2

2915

27.6

3500

27

3525

24.6

160M

11

2

2945

40

3535

39

3550

36

6307ZZ-C3

15

2

2945

54

3535

52

3550

48

180M

22

2

2960

76

3550

76

3560

70

6311ZZ-C3

6309ZZ-C3

180L

30

2

2955

102

3545

102

3555

92

6312ZZ-C3

200LB

37

2

2965

128

3555

126

3565

116

6312ZZ-C3

IE1

Explosion-proof

90L

B

1.5

2

2870

6.2

3440

6

3450

5.6

6205ZZ

6204ZZ

2.2

2

2860

8.6

3430

8.4

34690

7.8

Explosion-proof

112M

3.7

2

2910

14.2

3480

13.8

3490

12.8

6207ZZ

6206ZZ

Explosion-proof

132S

5.5

2

2910

21.4

3490

20.2

3500

19

6308ZZ

6207ZZ

1

1) Liquid name

j

6

Motor type

Fully-closed external fan

Liquid quality

k

Motor type

Motor capacity

2) Specific gravity γ

j

Number of motor poles

2              4          Other (     )

k

Protection structure

Indoor, Outdoor, Other (     )

3) Viscosity ν

j                                  mPa∙s

Insulation

F, B                               (     )

k                                  mPa∙s

Installation environment

               °C                       %

4) Temperature T

j                                       °C

k                                       °C

7

Drain nozzle

Unnecessary        Necessary

5) Slurry

jApplicable Not applicable ( %)

Options/accessories

Air release nozzle

Unnecessary        Necessary

k Applicable Not applicable ( %)

Phase coupling

Unnecessary        Necessary

Remarks

Pressure gauge

Unnecessary        Necessary

Foundation bolt

Unnecessary        Necessary

2

1) Discharge amount Q

j                                   m³/hr

Performance

k                                   m³/hr

2) Total pump head H

j                                         m

k                                         m

3) Discharge pump head hd

j                                         m

k                                         m

H=hd-hs

hd=ho+Y+Ptd-10.3

hs=Pts-10.3+Z-hf

Pvp: Saturated steam pressure (mAbs)

4) Suction pump head hs

j                                         m

k                                         m

Remarks

3

1) Metal liquid contact part

SUS316              SUS304

Material

2) Packing

EPDM, FKM, SE72

3) O-ring

EPDM, FKM, SE72

4) Mechanical seal

SC, SS, TT

4

1) Pump type

Vortex

Structure

2) Impeller type

Semi-closed

3) Casing type

Back-volute

4) Mechanical seal type

Clutch type outside

5) Mechanical seal

Single   Quenching   Double

6) Discharge direction

(          )

7) Installation method

Floor-mounted, Foundation, For unit

5

1) Voltage

200V    220V    Other (        V)

Power Supply

2) Frequency

50Hz    60Hz    Other (        V)

3) Use of inverter

Used         Unused

4) Location of use

Indoor       Outdoor

1

Material classification

Symbol

Material

Metal part (main body)

Casing packing

O-ring

316

SUS316L

Silicone rubber

Fluororubber

316-E

SUS316L

EPDM

EPDM

316-F

SUS316L

Fluororubber

Fluororubber

316-S

SUS316L

Silicone rubber

Silicone rubber

304

SUS304

Silicone rubber

Fluororubber

304-E

SUS304

EPDM

EPDM

304-F

SUS304

Fluororubber

Fluororubber

304-S

SUS304

Silicone rubber

Silicone rubber

* For 304 material, only N, M, and L size are available as (8) impeller diameter classification.

2

Motor base material

Category

Symbol

Material

Standard

-

FC20

Special

S

SUS304

3

Finish classification

 Category

Symbol

Finish

Internal finish

External finish

Standard

0P

Pickling

Pickling or beads shot blast

1P

#320 to #400 buff polished finish

Pickling or beads shot blast

Option

EP (1P)

Electrolytic polishing finish

Pickling or beads shot blast

ODP

Special

Special

4

Pipe end classification

Category

Symbol

Details

Standard

M

ISO male

C

ISO clamp

Optional

N

ISO nut

T

Sanitary flange

Special

X

-

5  6

Size classification

Symbol

Size

15

1 ½ S

20

2S

25

2 ½ S

30

3S

40

4S

Suction x discharge

7

Basic model classification

Symbol

Details

Note

EZ

Direct-connection

(motor/shaft integrated type)

Standard

ES

Separate type

Standard

EC

Direct-connection

(Coupling method)

Explosion-proof

* For EC, 1.5 to 7.5kW is output.

8

Impeller diameter classification

 Symbol

Impeller diameter

B

220

L

200

M

200

N

165

H

210

9

Number of motor poles

Category

Symbol

Number of poles

Rotation number (r.p.m)

Standard

2

2P

50Hz (2915)

60Hz(3500)

Optional

4

4P*¹

50Hz (1460)

60Hz (1750)

* For 4P motor, the performance may vary

significantly. Consult with our company.

* For 4P, 3.7 to 15kW is output

10

Frequency classification

Symbol

Frequency (Hz)

E

50

W

60

X

Other

11

 Motor capacity (kW) classification

Symbol

Motor capacity kW

Symbol

Motor capacity kW

008

0.75

110

11

015

1.5

150

15

022

2.2

220

22

037

3.7

300

30

055

5.5

370

37

075

7.5

12

 Motor type classification

Category

Symbol

Symbol

Standard

B

200/220V 50/60Hz indoor type

Optional

O

200/220V 50/60Hz outdoor type

C

Various voltages

P

Outdoor type various voltages

Explosion-proof

Z

200/220V 50/60Hz outdoor type

13

Mechanical seal type

Symbol

Details

S

Single mechanical

C

Quenching mechanical seal

Q

Double mechanical seal

14

Mechanical seal classification

Category

Symbol

Details

Standard

C

Carbon x ceramic (M6-CxES-4)

Optional

S

Ceramic x ceramic (ES-4xES-4)

T

Superhard x superhard (TC3 x TC3)

Special

X

Other

* Symbols in parentheses are manufacturer’s symbols.

15

Options

Symbol

Details

D

With drain nozzle

A

With air release nozzle

S

With air release and drain nozzle

U

With base for unit

X

Other