Grundfos SR User manual

Service instructions

SR, SF

60 Hz

1/3~

1 / 12

96617764 0406 US 12

1. Type identification ...........................................................................................................................2

1.1 Nameplate............................................................................................................................................................2

1.2 Type key...............................................................................................................................................................2

2. Spare parts.......................................................................................................................................4

2.1 SR (A), (B), (C) and (F)........................................................................................................................................4

2.2 SR (D), (E) and (G) ..............................................................................................................................................6

2.3 SF (H) and (I).......................................................................................................................................................8

3. Torques and lubricants.................................................................................................................10

4. Dismantling and assembly............................................................................................................11

4.1 General information............................................................................................................................................11

4.2 SR (0.75 to 3.0 hp).............................................................................................................................................11

4.3 SR (5.0 to 25 hp) and SF...................................................................................................................................12

2 / 12

1. Type identification

1.1 Nameplate

1.2 Type key

1.2.1 Codes used

Connection type

TM03 1865 0306

Fig. 1 Example of SR, SF nameplate

Pos. Description Pos. Description

1 Type designation 5 Rated rpm

2Model, material number

and production code 6 Rated motor hp

3 Rated flow 7 Max. operating pressure

4 Head in feet at rated flow 8 Max. fluid temperature

Example S R - A - 5 - 25 -F -2 -60 BBVE A

Single-stage

Connection type

Volute type

Rated (or nominal) flow [m3/h] (at 60 Hz)

Rated (or nominal) head [H] at rated (or nominal) flow

Material

Number of poles

2 = 2-pole

4 = 4-pole

Frequency

50 = 50 Hz

60 = 60 Hz

Mechanical shaft seal

Pump version

A = Basic pump version

X = Special version

T = Trimmed impeller

R NPT (National Pipe Thread)

F Flanged (ANSI flange)

36 47 5 8

Type

Model

PHP

GPM H

PSI max

Feet n

Made in Brazil

RPM

F° max

SR-F-20-16-B-2-60-BBVE-A

A 96292383 05 32

175

3500

176

3 / 12

Volute type

Material

Mechanical seal

The code for shaft seal always consists of four letters.

Type Suction Discharge

A1.5" 1"

B1.5" 1"

C2.5" 2"

D2.5" 2"

E2"1.5"

F2"1.5"

G2.5" 2"

H3"2.5"

I4"3"

F Cast iron fitted

B Cast iron construction with bronze impeller

L Cast iron construction with brass impeller

Example B B V V

Principal Grundfos type designation for shaft seal 1

Material, rotating seal face 2

Material, stationary seat 3

Material, secondary seal 4

Pos. Explanation Code Description

1 Seal type B Rubber bellows seal

2Seal face,

rotating part

Carbon, synthetic resin-impregnated

Silicon carbide (SIC) (on request)

3Seal face,

stationary part

Aluminium oxide

Silicon carbide (SIC) (on request)

4 Rubber parts EEPDM

VFKM

4 / 12

2. Spare parts

2.1 SR (A), (B), (C) and (F)

2.1.1 Drawing

TM03 1708 2705

5 / 12

2.1.2 Service kits

Bolt kit

Pos.

Volute casing size (A) (B) (C) (F)

Flow - head 22-20 15-11, 18-12, 20-16

Description / kit no. 96591471 96591474 96591471 96591470 96591471

26 Staybolts 4 4 4 4 4

28 Hexagon head screw 4 4 4 4 4

36 Nut 444 4 4

Impeller kit - SR (A)

Cast iron Bronze

Pos.

Flow - head 8-13 8-17 8-23 10-13 10-17 10-21

Impeller size 102 mm 113 mm 125 mm 102 mm 110 mm 125 mm

Description / kit no. 96617337 96590312 96590316 96617338 96590407 96590409

49 Impeller 1 1 1 1 1 1

Impeller kit - SR (B)

Cast iron Bronze Brass

Pos.

Flow - head 11-28 11-37 11-28 11-37 8-24 10-29

Impeller size 138 mm 151 mm 137 mm 150 mm 133 mm 148 mm

Description / kit no. 96590323 96590324 96590410 96590411 96590319 96590320

49 Impeller 1 1 1 1 1 1

Impeller kit - SR (C)

Cast iron Bronze

Pos.

Flow - head 23-9 27-12 30-16 23-9 27-12 30-16

Impeller size 92 mm 104 mm 114 mm 91 mm 100 mm 110 mm

Description / kit no. 96590327 96590329 96590332 96590412 96590421 96590422

49 Impeller 1 1 1 1 1 1

Impeller kit - SR (F)

Cast iron Bronze Cast iron Bronze

Pos.

Flow - head 15-11 18-12 20-16 15-11 18-12 20-16 22-20

Impeller size 103 mm 113 mm 125 mm 101 mm 110 mm 121 mm 125 mm

Description / kit no. 96590369 96590370 96590371 96590454 96590456 96590458 96590367 96590453

49Impeller 11111111

Shaft seal kit *) Pump housing Motor bracket Drain plug

Volute casing size/shaft seal type BBVE BBVV BQQV

(A) 96591485 96591493 96626110 95028800 95028801 95028802

(B) 96591492 96591499 96626117 95028803 95028804 95028802

(F) 96591485 96591493 96626110 95028821 95028801 95028811

*) Consists of items 67, 72a and 105

6 / 12

2.2 SR (D), (E) and (G)

2.2.1 Drawing

TM03 1709 1406

7 / 12

2.2.2 Service kits

Bolt kit

Pos.

Volute casing size (D) (E) (G)

Flow - head 40-21 50-27, 50-37, 50-49 23-29, 25-32 30-44, 30-52 30-47, 40-60, 40-75 40-90

Description / kit no. 96591474 96591472 96591474 96591472 96591475 96591476

26 Staybolts 1 1 1 1 1 1

28 Hexagon head screw 1 1 1 1 1 1

36 Nut 1 1 1 1 1 1

Impeller kit - SR (D)

Cast iron Bronze

Pos.

Flow - head 40-21 50-27 50-37 50-49 40-21 50-27 50-37 50-49

Impeller size 127 mm 143 mm 160 mm 179 mm 125 mm 143 mm 160 mm 179 mm

Description / kit no. 96590334 96590336 96590339 96590351 96590427 96590428 96590433 96590434

49 Impeller 11111111

Impeller kit - SR (E)

Cast iron Bronze

Pos.

Flow - head 23-29 25-32 30-44 30-52 23-29 25-32 30-44 30-52

Impeller size 138 mm 147 mm 160 mm 175 mm 138 mm 147 mm 163 mm 179 mm

Description / kit no. 96590353 96590354 96590355 96590356 96590436 96590437 96590438 96590439

49 Impeller 11111111

Impeller kit - SR (G)

Cast iron Bronze

Pos.

Flow - head 30-47 40-60 40-75 40-90 30-47 40-60 40-75 40-90

Impeller size 182 mm 202 mm 223 mm 235 mm 171 mm 195 mm 210 mm 224 mm

Description / kit no. 96590358 96590359 96590360 96590362 96590440 96590441 96590444 96590447

49 Impeller 11111111

Shaft seal kit *)

Volute casing size (D) (E) (G) (G)

Flow / head All All 30-47, 40-60 40-75, 40-90

BBVE 96591383 96591383 96591391 96591399

BBVV 96591446 96591446 96591460 96591462

BQQV 96626118 96626118 96626119 96626120

*) Consists of items 11a, 66, 67, 72a, 105, 109 and 116

Volute casing size (D) (E) (G)

Flow / head 40-21 50-27, 50-37 50-49 23-29, 25-32 30-44, 30-52 30-47, 40-60 40-75, 40-90

Pump housing 95028812 95028817 95028827

Motor bracket 95028813 95028814 95028833 95028813 95028833 95028828 95028829

Drain plug 95028811 95028802 95028811

8 / 12

2.3 SF (H) and (I)

2.3.1 Drawing

TM03 1707 3305

9 / 12

2.3.2 Service kits

Bolt kit

Pos.

Volute casing size (H) (I)

Flow - head 55-15 60-23, 70-27,70-41 60-11 65-20, 75-23, 80-34

Description / kit no. 96591474 96591472 96591474 96591472

26 Staybolts 1 1 1 1

28 Hexagon head screw 1 1 1 1

36 Nut 1111

Impeller kit - SF (H)

Cast iron Bronze

Pos.

Flow - head 55-15 60-23 70-27 70-41 55-15 60-23 70-27 70-41

Impeller size 124 mm 136 mm 149 mm 173 mm 117 mm 132 mm 142 mm 166 mm

Description / kit no. 96590372 96590373 96590375 96590376 96590460 96590461 96590462 96590464

49 Impeller 11111111

Impeller kit - SF (I)

Cast iron Bronze

Pos.

Flow - head 60-11 65-20 75-23 80-34 60-11 65-20 75-23 80-34

Impeller size 110 mm 127 mm 137 mm 158 mm 105 mm 127 mm 137 mm 158 mm

Description / kit no. 96590393 96590394 96590396 96590397 96590465 96590466 96590467 96590469

49 Impeller 11111111

Seal kit complete *)

Volute casing size/

Shaft seal type (H) (I)

BBVE 96591444 96591444

BBVV 96591466 96591466

BQQV 96626121 96626121

*) Consists of items 11a, 66, 67, 72a, 105, 109 and 116

Volute casing size (H) (I)

Flow / head 55-15 60-23, 70-27, 70-41 60-11 65-20, 75-23, 80-34

Motor bracket 95028813 95028833 95028836 95028837

Pump housing 95028831 95028835

Drain plug 95028811 95028811

10 / 12

3. Torques and lubricants

This section shows the screws and nuts to be tightened to a certain torque, and the lubricants to be used.

Thread-Eze, part no. 96611372 (0.5 l).

Gardolube L 6034, part no. 00SV9995 (1 l).

Rocol 22, part no. 00RM2924 (1 kg).

Pos. Description Number Dim. Torque [lbs/ft] Torque [Nm] Lubricant

Impeller nut 1 7/16" UNF 11 15

Thread-Eze

Impeller screw 13/8"UNC 30 40

11/2"UNC 37 50

36 Nut 4 3/8" UNC 30 40

28 Hexagon head screw 4

3/8" UNC 30 40

1/2" UNC 37 50

5/8" UNC 44 60

72a O-ring 1 - - Rocol 22

105 Shaft seal 1 - - Soapy water

109 O-ring 1 - - Rocol 22

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