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46 Sight glass - standard (for ATEX pump see 'ATEX Parts') 1 5480.001 9630032778
47 Filler plug - standard (for ATEX pump see 'ATEX Parts') 1 31491.0052.1 9630018599
48 Plug 2 1660.008 9630023548
49 Blanking plug 4 5470.022 9630089950
50 2 5243.111 9630089811
51 Screw, gland guard 4 6000.010 9630050533
53 Washer, gland guard 4 31499.5903.3 9630039001
54 Foot, vertical port AL Blue 1 5225.401.00 9630089804
56 Foot, horizontal port AL Blue 1 5225.301.00 9630089805
58 Bolt, Foot 2 6000.016 9630074795
Gland guard - standard (for ATEX pump see 'ATEX Parts')
Alfa Laval Eastbourne
Alfa Laval Ltd
Birch Road, Eastbourne
East Sussex BN23 6PQ
United Kingdom
Tel: +44 (0) 1323 412555
Fax: +44 (0) 1323 414515
www.alfalaval.com
July-08 (Issue 4.09)
ALFA LAVAL LTD
SRU RANGE
ROTARY LOBE PUMPS
SPARE PARTS LIST
Table of contents
Page Page
. Contents . Contents
3 SRU1 Pump 43 R90 Single Mech Seal Exploded View
4 SRU1 Pump (continued) 44 R90 Single Flush Mech Seal Exploded View
5 SRU2 Pump 45 R90 Double Mech Seals (complete) - SRU1
6 SRU2 Pump (continued) 46 R90 Double Mech Seals (complete) - SRU2
7 SRU3 Pump 47 R90 Double Mech Seals (complete) - SRU3
8 SRU3 Pump (continued) 48 R90 Double Mech Seals (complete) - SRU4
9 SRU3 Pump (continued) 49 R90 Double Mech Seals (complete) - SRU5
10 SRU1-3 Pump Exploded View Drawing 50 R90 Double Mech Seals (complete) - SRU6
11 SRU4 Pump 51 R90 Double Mech Seals (part numbering)
12 SRU4 Pump (continued) 52 R90 Double Mech Seals (parts) - SRU1-2
13 SRU4 Pump Exploded View Drawing 53 R90 Double Mech Seals (parts) - SRU3-4
14 SRU5 Horizontally Ported Pump 54 R90 Double Mech Seals (parts) - SRU5-6
15 SRU5 Horizontally Ported Pump (continued) 55 R90 Double Mech Seal Exploded View
16 SRU5 Horiz Ported Pump Exploded View 56 Hyclean Mech Seals (complete) - SRU1-2
17 SRU5 Vertically Ported Pump 57 Hyclean Mech Seals (complete) - SRU3-4
18 SRU5 Vertically Ported Pump (continued) 58 Hyclean Mech Seals (complete) - SRU5-6
19 SRU5 Vert Ported Pump Exploded View 59 Hyclean Mech Seals (parts)
20 SRU6 Horizontally Ported Pump 60 Hyclean Mech Seal Exploded View
21 SRU6 Horizontally Ported Pump (continued) 61 Hyclean Flush Mech Seal Exploded View
22 SRU6 Horiz Ported Pump Exploded View 62 Packed Gland Seals - SRU1-4
23 SRU6 Vertically Ported Pump 63 Packed Gland Seals - SRU5-6
24 SRU6 Vertically Ported Pump (continued) 64 Packed Gland Exploded View
25 SRU6 Vert Ported Pump Exploded View 65 Pressure Relief Valve (complete)
26 Rotorcases - R90 and Packed Gland (SRU1-2) 66 Pressure Relief Valve (parts) - SRU1-5
27 Rotorcases - R90 and Packed Gland (SRU3-4) 67 Pressure Relief Valve (parts) - SRU6
28 Rotorcases - R90 and Packed Gland (SRU5-6) 68 Pressure Relief Valve Exploded View
29 Rotorcases - Hyclean (SRU1-4) 69 Jackets and Saddles
30 Rotorcases - Hyclean (SRU5-6) 70 Jackets and Saddles Exploded Views
31 Rotorcases - Body Part Numbers 71 EPDM USP Class VI 'O' Rings & Seals
32 Rotorcases - Port Part Numbers 72 Electropolishing (Rotorcase Covers & Rotors)
33 Rotorcases - Port Part Numbers (continued) 73 Electropolishing (Rotors cont'd & Rotor Nuts)
34 Rectangular to Round Adaptors 74 Electropolishing (Rotorcases)
35 Cover/Spline Sealing Kits 75 ATEX Parts
36 Service Kits (R90 Single Mechanical Seals) 76 Misc
37 Service Kits (Hyclean Single Mechanical Seals) 77 Revision History
38 R90 Single Mech Seals (complete) - SRU1-2 78 Revision History (continued)
39 R90 Single Mech Seals (complete) - SRU3-4
40 R90 Single Mech Seals (complete) - SRU5-6
41 R90 Single Mech Seals (parts) - SRU1-4
42 R90 Single Mech Seals (parts) - SRU5-6
tes
This publication is strictly confidential and remains the property of Alfa Laval Ltd.
without whose written permission it must t be copied, reproduced or shown to
third parties, and maybe subject to change without prior tice.
When identifying the spare parts required it is important to check the pump
specification by referring to the pump serial number.
2 AL/SRU/SPARES/0807
SRU1 Pump
Drg Debion Part . .
.
1 Gearcase - universal mounting AL Blue 1 5220.351.00 9630094193
2 Dowel 2 5170.025 9630030093
3 Stud, rotorcase retention 4 6350.135 9630052259
4 Nut, rotorcase retention 4 5330.003 9630024057
4A Washer, rotorcase retention 4 6400.036 9630024231
5 Cover, gearcase 1 5120.181 9630087581
6 Screw, gearcase cover 6 5990.044 9630030096
(t for ATEX) NBR 5310.047 9630030621
FPM 5310.078 9630032806
(t for ATEX) Polymex 6150.150 9630034305
St.Stl 6150.151 9630034304
8A Shim retainer 2 6150.261 9630050684
8B Screw, shim retainer 4 6000.010 9630050533
9 Rotorcase 1 see page 26-33 see page 26-33
10 Stud, rotorcase/cover retention 4 6350.093 9630031415
NBR 1550.239 9630023375
FPM 1551.239 9630023456
EPDM 1555.239 9630023539
PTFE 1552.239 9630028747
NBR 5380.087 9630024201
FPM 5380.163 9630024335
EPDM 5380.277 9630019858
PTFE 5380.164 9630024336
Plain 5130.311 9630046119
Drilled for jacket 5130.331 9630027764
Relief valve see page 63 see page 63
13 Dome nut, rotorcase cover 4 5340.029 9630024095
14 Retainer, seal 2 5560.030 9630031375
15 Screw, seal retainer 6 5990.044 9630030096
(t for ATEX) NBR 5310.037 9630030622
FPM 5310.070 9630032796
8 bar 70°C 5712.005G 9630031989
Rotor, Trilobe Stainless Steel 8 bar 130°C SRU1/005 5712.005H 9630031990
8 bar 200°C 5712.005J 9630031991
8 bar 70°C 5730.005G 9630090563
Rotor, Bilobe Stainless Steel 8 bar 130°C SRU1/005 5730.005H 9630090564
8 bar 200°C 5730.005J 9630090589
8 bar 70°C 5761.005G 9630090474
Rotor, Bilobe n-galling 8 bar 130°C SRU1/005 5761.005H 9630090475
8 bar 200°C 5761.005J 9630090476
Rotor, Trilobe, NBR covered SRU1/005 5722.005 9630031495
5 bar 70°C 5712.008D 9630031995
Rotor, Trilobe Stainless Steel 5 bar 130°C SRU1/008 5712.008E 9630031996
5 bar 200°C 5712.008F 9630031997
5 bar 70°C 5730.008D 9630090565
Rotor, Bilobe Stainless Steel 5 bar 130°C SRU1/008 5730.008E 9630090566
5 bar 200°C 5730.008F 9630090567
5 bar 70°C 5761.008D 9630090478
Rotor, Bilobe n-galling 5 bar 130°C SRU1/008 5761.008E 9630090479
5 bar 200°C 5761.008F 9630090481
Rotor, Trilobe, NBR covered SRU1/008 5722.008 9630031497
1
12 Cover, rotorcase 1
17 2
1
1 set
2
8
16
Lip seal, drive end
Shim
'O' Ring, cover - plain
Lip seal, gland end
'O' Ring, cover - relief valve
11
7
3 AL/SRU/SPARES/0807
SRU1 Pump (continued)
Drg Debion Part . .
.
NBR 5380.421 9630044558
FPM 5380.420 9630044557
EPDM 5380.446 9630046208
PTFE 5380.447 9630046212
NBR 5380.421 9630044558
FPM 5380.420 9630044557
EPDM 5380.446 9630046208
NBR 5380.442 9630046204
FPM 5380.443 9630046205
EPDM 5380.444 9630046206
PTFE 5380.445 9630046207
SRU1/005 5900.161 9630045826
SRU1/008 5900.162 9630045828
23 Key 1 5270.030 9630031498
R90 6110.592 9630033399
Hyclean 6110.717 9630052964
R90 6100.592 9630033401
Hyclean 6100.717 9630052961
26 Bearing, rear 2 5080.011 9630029026
27 Spacer, shaft abutment 1 5670.061.01 9630032664
30 Nut, bearing 2 5340.040 9630029135
31 Bearing, front 2 5080.011 9630029026
32 Spacer, bearing 2 5670.100 9630033403
36 Timing gear 2 5210.036 9630031258
38 Torque locking element 2 5615.013 9630025151
39 Clamp plate 2 5110.039 9630031371
40 Screw, clamp plate 6 5990.044 9630030096
45 Drain plug 2 1660.004 9630023546
46 Sight glass - standard (for ATEX pump see 'ATEX Parts') 1 5480.001 9630032778
47 Filler plug - standard (for ATEX pump see 'ATEX Parts') 1 31491.0052.1 9630018599
48 Plug 2 1660.008 9630023548
49 Blanking plug 4 5470.022 9630089950
50 2 5243.111 9630089811
51 Screw, gland guard 4 6000.010 9630050533
53 Washer, gland guard 4 31499.5903.3 9630039001
54 Foot, vertical port AL Blue 1 5225.401.00 9630089804
56 Foot, horizontal port AL Blue 1 5225.301.00 9630089805
58 Bolt, Foot 2 6000.016 9630074795
Gland guard - standard (for ATEX pump see 'ATEX Parts')
2
2
2
1
1
Shaft, drive (Duplex)
18
'O' Ring, rotor sealing shaft end (St.Stl rotor)
'O' Ring, rotor sealing shaft end (NBR covered rotor)
Shaft, auxiliary (Duplex)
20 'O' Ring, rotor sealing nut end
25
22
24
Nut, rotor retention
4 AL/SRU/SPARES/0807
SRU2 Pump
Drg Debion Part . .
.
1 Gearcase - universal mounting AL Blue 1 5220.352.00 9630094199
2 Dowel 2 5170.025 9630030093
3 Stud, rotorcase retention 4 6350.136 9630052261
4 Nut, rotorcase retention 4 5330.000 9630024051
4A Washer, rotorcase retention 4 6400.037 9630024233
5 Cover, gearcase 1 5120.182 9630087567
6 Screw, gearcase cover 6 5990.044 9630030096
(t for ATEX) NBR 5310.101 9630040403
FPM 5310.079 9630032807
(t for ATEX) Polymex 6150.152 9630034199
St.Stl 6150.153 9630034201
8A Shim retainer 2 6150.312 9630089541
8B Screw, shim retainer 4 6000.010 9630050533
9 Rotorcase 1 see page 26-33 see page 26-33
10 Stud, rotorcase/cover retention 4 6350.094 9630024086
NBR 1550.249 9630023379
FPM 1551.249 9630023462
EPDM 1555.249 9630023540
PTFE 1552.249 9630040636
NBR 1550.251 9630030114
FPM 1551.251 9630026029
EPDM 1555.251 9630027285
PTFE 1552.251 9630024882
Plain 5130.312 9630046120
Drilled for jacket 5130.332 9630027767
Relief valve see page 63 see page 63
13 Dome nut, rotorcase cover 4 5340.047 9630029651
14 Retainer, seal 2 5560.031 9630031405
15 Screw, seal retainer 6 5990.007 9630024595
(t for ATEX) NBR 5310.038 9630030623
FPM 5310.071 9630032797
10 bar 70°C 5740.013M 9630046723
10 bar 130°C 5740.013N 9630040081
10 bar 200°C 5740.013P 9630047747
15 bar 70°C 5740.013T 9630046603
15 bar 130°C 5740.013V 9630047748
15 bar 200°C 5740.013W 9630047749
10 bar 70°C 5741.013M 9630090571
10 bar 130°C 5741.013N 9630090572
10 bar 200°C 5741.013P 9630090573
15 bar 70°C 5741.013T 9630090574
15 bar 130°C 5741.013V 9630090575
15 bar 200°C 5741.013W 9630090576
10 bar 70°C 5761.013M 9630090482
10 bar 130°C 5761.013N 9630090483
10 bar 200°C 5761.013P 9630090484
15 bar 70°C 5761.013T 9630090485
15 bar 130°C 5761.013V 9630090486
15 bar 200°C 5761.013W 9630090487
Rotor, Trilobe, NBR covered SRU2/013 5722.013 9630031481
7 bar 70°C 5740.018M 9630047243
7 bar 130°C 5740.018N 9630043480
7 bar 200°C 5740.018P 9630047751
10 bar 70°C 5740.018T 9630048049
10 bar 130°C 5740.018V 9630048050
10 bar 200°C 5740.018W 9630048051
Rotor, Bilobe n-galling
SRU2/013/
LS and HS
SRU2/013/
LD and HD
Rotor, Trilobe Stainless Steel
SRU2/018/
LS and HS
SRU2/018/
LD and HD
'O' Ring, cover - relief valve
1
17 2
Rotor, Trilobe Stainless Steel
SRU2/013/
LS and HS
SRU2/013/
LD and HD
Rotor, Bilobe Stainless Steel
SRU2/013/
LS and HS
SRU2/013/
LD and HD
1
1 set
2
1
7
8 Shim
16
'O' Ring, cover - plain
Lip seal, gland end
12 Cover, rotorcase
Lip seal, drive end
11
5 AL/SRU/SPARES/0807
SRU2 Pump (continued)
Drg Debion Part . .
.
7 bar 70°C 5741.018M 9630090577
7 bar 130°C 5741.018N 9630090578
7 bar 200°C 5741.018P 9630090579
10 bar 70°C 5741.018T 9630090599
10 bar 130°C 5741.018V 9630090580
10 bar 200°C 5741.018W 9630099560
7 bar 70°C 5761.018M 9630090488
7 bar 130°C 5761.018N 9630090489
7 bar 200°C 5761.018P 9630090490
10 bar 70°C 5761.018T 9630090491
10 bar 130°C 5761.018V 9630090492
10 bar 200°C 5761.018W 9630090493
Rotor, Trilobe, NBR covered SRU2/018 5722.018 9630031483
NBR 1550.022 9630046452
FPM 1551.022 9630046453
EPDM 1555.022 9630046455
PTFE 1558.022 9630046454
NBR 1550.020 9630031506
FPM 1551.020 9630046186
EPDM 1555.020 9630046187
PTFE 1558.020 9630046188
SRU2/013 5900.163 9630045830
SRU2/018 5900.164 9630045832
23 Key 1 5270.007 9630023916
R90 6110.545 9630031389
Hyclean 6110.656 9630046281
R90 6110.675 9630030029
Hyclean 6110.660 9630022632
R90 6100.545 9630031391
Hyclean 6100.656 9630046255
R90 6100.675 9630032000
Hyclean 6100.660 9630046257
26 Bearing, rear 2 5080.012 9630029028
27 Spacer, shaft abutment 1 5670.062.01 9630032678
30 Nut, bearing 2 5340.041 9630029136
31 Bearing, front 2 5080.012 9630029028
32 Spacer, bearing 2 5670.056 9630031409
36 Timing gear 2 5210.037 9630031260
38 Torque locking element 2 5615.015 9630030115
39 Clamp plate 2 5110.040 9630031407
40 Screw, clamp plate 6 5990.007 9630024595
45 Drain plug 2 1660.004 9630023546
46 Sight glass - standard (for ATEX pump see 'ATEX Parts') 1 5480.001 9630032778
47 Filler plug - standard (for ATEX pump see 'ATEX Parts') 1 31491.0052.1 9630018599
48 Plug 2 1660.008 9630023548
49 Blanking plug 4 5470.020 9630087278
50 Gland guard - standard (for ATEX pump see 'ATEX Parts') 2 5243.112 9630089812
51 Screw, gland guard 4 6000.010 9630050533
53 Washer, gland guard 4 31499.5903.3 9630039001
54 Foot, vertical port AL Blue 1 5225.402.00 9630091540
56 Foot, horizontal port AL Blue 1 5225.302.00 9630091831
58 Bolt, Foot 2 6000.015 9630074794
1
25 1
17 2
Rotor, Bilobe Stainless Steel
Rotor, Bilobe n-galling
SRU2/018/
LS and HS
SRU2/018/
LD and HD
SRU2/018/
LS and HS
SRU2/018/
LD and HD
'O' Ring, rotor sealing nut end
Nut, rotor retention
20
22
Shaft, drive (Duplex)
24
18
Shaft, auxiliary (Duplex)
Shaft, auxiliary (St.Stl)
Shaft, drive (St.Stl)
2
2
2
'O' Ring, rotor sealing shaft end (St.Stl rotor)
6 AL/SRU/SPARES/0807
SRU3 Pump
Drg Debion Part . .
.
1 Gearcase - universal mounting AL Blue 1 5220.353.00 9630094201
2 Dowel 2 5170.010 9630023461
3 Stud, rotorcase retention 4 6350.105 9630027485
4 Nut, rotorcase retention 4 5330.000 9630024051
4A Washer, rotorcase retention 4 6400.037 9630024233
5 Cover, gearcase 1 5120.163 9630070039
6 Screw, gearcase cover 6 5990.044 9630030096
(t for ATEX) NBR 5310.004 9630023983
FPM 5310.080 9630032808
(t for ATEX) Polymex 6150.154 9630034130
St.Stl 6150.155 9630034030
8A Shim retainer 2 6150.313 9630089542
8B Screw, shim retainer 4 6000.010 9630050533
9 Rotorcase 1 see page 26-33 see page 26-33
Std 8 6350.095 9630027490
For rectangular inlet 4 6350.052 9630022111
NBR 1550.258 9630046234
FPM 1551.258 9630046235
EPDM 1555.258 9630046236
PTFE 1552.258 9630040637
NBR 1550.260 9630030271
FPM 1551.260 9630026048
EPDM 1555.260 9630026951
PTFE 1552.260 9630031555
Plain 5130.313 9630046122
For rectangular inlet 5130.343 9630048101
Drilled for jacket 5130.333 9630027766
Relief valve see page 63 see page 63
Std 8 5340.047 9630029651
For rectangular inlet 4 5340.022 9630024088
14 Retainer, seal 2 5560.032 9630025431
15 Screw, seal retainer 6 5990.007 9630024595
(t for ATEX) NBR 5310.039 9630030625
FPM 5310.072 9630032798
10 bar 70°C 5740.027M 9630046726
10 bar 130°C 5740.027N 9630032535
10 bar 200°C 5740.027P 9630046365
15 bar 70°C 5740.027T 9630047194
15 bar 130°C 5740.027V 9630046354
15 bar 200°C 5740.027W 9630047752
10 bar 70°C 5741.027M 9630090584
10 bar 130°C 5741.027N 9630090585
10 bar 200°C 5741.027P 9630090586
15 bar 70°C 5741.027T 9630090588
15 bar 130°C 5741.027V 9630090589
15 bar 200°C 5741.027W 9630090600
10 bar 70°C 5761.027M 9630090415
10 bar 130°C 5761.027N 9630090416
10 bar 200°C 5761.027P 9630090417
15 bar 70°C 5761.027T 9630090418
15 bar 130°C 5761.027V 9630090419
15 bar 200°C 5761.027W 9630090420
Rotor, Trilobe, NBR covered SRU3/027 5722.027 9630021284
Rotor, Trilobe Stainless Steel
Rotor, Bilobe Stainless Steel
Rotor, Bilobe n-galling
SRU3/027/
LS and HS
SRU3/027/
LD and HD
SRU3/027/
LS and HS
SRU3/027/
LD and HD
SRU3/027/
LS and HS
SRU3/027/
LD and HD
17 2
Cover, rotorcase 1
16 Lip seal, gland end 2
12
13 Dome nut, rotorcase cover
1
'O' Ring, cover - relief valve
'O' Ring, cover - plain
11
10 Stud, rotorcase/cover retention
1
8 Shim 1 set
7 Lip seal, drive end
7 AL/SRU/SPARES/0807
SRU3 Pump (continued)
Drg Debion Part . .
.
7 bar 70°C 5740.038M 9630027757
7 bar 130°C 5740.038N 9630039955
7 bar 200°C 5740.038P 9630048052
10 bar 70°C 5740.038T 9630047753
10 bar 130°C 5740.038V 9630048053
10 bar 200°C 5740.038W 9630048054
7 bar 70°C 5741.038M 9630090540
7 bar 130°C 5741.038N 9630090539
7 bar 200°C 5741.038P 9630090542
10 bar 70°C 5741.038T 9630090544
10 bar 130°C 5741.038V 9630090545
10 bar 200°C 5741.038W 9630090546
7 bar 70°C 5761.038M 9630090494
7 bar 130°C 5761.038N 9630090495
7 bar 200°C 5761.038P 9630090496
10 bar 70°C 5761.038T 9630090497
10 bar 130°C 5761.038V 9630090498
10 bar 200°C 5761.038W 9630090499
Rotor, Trilobe, NBR covered SRU3/038 5722.038 9630026256
NBR 1550.026 9630038950
FPM 1551.026 9630038951
EPDM 1555.026 9630038952
PTFE 1558.026 9630046456
NBR 5380.261 9630029980
FPM 5380.271 9630026280
EPDM 5380.355 9630037533
NBR 1550.024 9630031566
FPM 1551.024 9630046189
EPDM 1555.024 9630046190
PTFE 1558.024 9630046191
SRU3/027 5900.165 9630046130
SRU3/038 5900.166 9630046138
23 Key 1 5270.031 9630031499
R90 6110.593 9630033130
Hyclean 6110.657 9630046282
R90 6110.643 9630043091
Hyclean 6110.661 9630026038
R90 6100.593 9630033127
Hyclean 6100.657 9630046260
R90 6100.643 9630043090
Hyclean 6100.661 9630046262
26 Bearing, rear 2 5080.013 9630029030
27 Spacer, shaft abutment 1 5670.063.01 9630032683
30 Nut, bearing 2 5340.042 9630029137
31 Bearing, front 2 5080.013 9630029030
32 Spacer, bearing 2 5670.058 9630029695
St.Stl shaft 5210.032 9630028272
Duplex shaft 5210.038 9630027688
St.Stl shaft 2 5615.016 9630030273
Duplex shaft 4 5615.016 9630030273
39 Clamp plate 2 5110.041 9630029175
40 Screw, clamp plate 12 5990.005 9630024591
Shaft, auxiliary (St.Stl)
Rotor, Bilobe Stainless Steel
Rotor, Bilobe n-galling
SRU3/038/
LS and HS
SRU3/038/
LD and HD
SRU3/038/
LS and HS
SRU3/038/
LD and HD
SRU3/038/
LS and HS
SRU3/038/
LD and HD
36 Timing gear 2
38 Torque locking element
Shaft, auxiliary (Duplex)
25 1
22 Nut, rotor retention 2
Shaft, drive (Duplex)
24 1
Shaft, drive (St.Stl)
17 2
20 'O' Ring, rotor sealing nut end 2
18 2
'O' Ring, rotor sealing shaft end (St.Stl rotor)
'O' Ring, rotor sealing shaft end (NBR covered rotor)
Rotor, Trilobe Stainless Steel
8 AL/SRU/SPARES/0807
SRU3 Pump (continued)
Drg Debion Part . .
.
