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duff norton rotary unionsDUFF NORTON - 9000 series

The 9000 Series General Purpose Rotary Union® features a bellows type seal to provide greater flexibility where equipment misalignment is inherent, and to resist seal hang-up in media contaminated with debris and suspensions. All sizes over 1-1/4½ have dual bearings for additional load support. The 9000 Series is available with either flanged or threaded shaft connections for greater mounting flexibility. Models with BSP or ISO228 threads are available.

Operating parameters:
Max. Water Pressure 250 psi 17 bar
Max. Water Temp 375 °F 190 °C
Max. Steam Pressure 150 psi 10.2 bar
Max. Steam Temp 375 °F 190 °C
Max. Hot Oil Pressure 100 psi 6.8 bar
Max. Hot Oil Temp 375 °F 190 °C
Max. Air Pressure 100 psi 6.8 bar
Max. RPM NPT/BSP 700 700
Max. RPM MT 1500 1500
Max. RPM Air 320 320

duff norton rotary unions single flow to 1 inch
9000 Series Single Flow to 1"
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B
1/4" LH
RH
L030P
R030P
730431
730432
441646
441647
1/4"-18NPT 1/4" NPT
LH
RH
L024P
R024P
730433
730434
441648
441649
9/16"-18NPT 1/4" NPT
LH
RH
L024P
R024P
730435
730436
441650
441651
5/8"-18NPT 1/4" NPT
3/8" LH
RH
L100P
R100P
730443
730444
441658
441689
3/8" NPT 3/8" NPT
LH
RH
L124P
R124P
730445
730446
441660
441661
5/8"-18 3/8" NPT
1/2" LH
RH
L200P
R200P
730395
730396
441629
441630
1/2" NPT 1/2" NPT
LH
RH
L224P
R224P
730401
730402
441633
441634
3/4"-16 1/2" NPT
LH
RH
L224P
R224P
730409
730410
441635
441636
7/8"-14 1/2" NPT
LH
RH
L224P
R224P
730638
730639
441631
441632
3/4"-14 1/2" NPT
LH
RH
L224P
R224P
730640
730641
441708
441709
7/8"-16 1/2" NPT
3/4" LH
RH
L300P
R300P
730331
730332
441596
441597
3/4"-14 3/4" NPT
LH
RH
L324P
R324P
730337
730338
441598
441599
1"-14 3/4" NPT
1" LH
RH
L400P
R400P
730302
730303
441578
441579
1" NPT 1" NPT
LH
RH
L424P
R424P
730308
730309
441580
441581
1 1/4"-12 1" NPT

duff norton rotary unions single flow to 3 inch
9000 Series Single Flow to 3"
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B
1 1/4" LH
RH
L9500P
R9500P
440319
440320
471459
471460
1 1/4" NPT 1 1/4" NPT
LH
RH
L9524P-3
R9524P-3
440325
440326
471461
471462
1 5/8"-8 MT 1 1/4" NPT
LH
RH
L9524P-2
R9524P-2
440323
440324
471463
471464
1 5/8"-12 MT 1 1/4" NPT
1 1/2" LH
RH
L9600P
R9600P
440143
440144
471363
471364
1 1/2" NPT 1 1/2" NPT
LH
RH
L9624P-3
R9624P-3
440147
440148
471367
471369
2"-8 MT 1 1/2" NPT
LH
RH
L9624P-2
R9624P-2
440151
440152
471373
471374
2"-12 MT 1 1/2" NPT
2" LH
RH
L9700P
R9700P
440464
440465
471553
471554
2" NPT 2" NPT
2 1/2" LH
RH
L9800P
R9800P
440534
440535
471555
471556
2 1/2" NPT 2 1/2" NPT
3" LH
RH
L9900P
R9900P
440492
440493
471557
471558
3" NPT 3" NPT
LH
RH
L9924P-3
R9924P-3
440498
440499
471643
471644
3 1/2"-8 MT 3" NPT

duff norton rotary unions dual flow flow to 1 inch
9000 Series Dual Flow to 1" - Stationary Syphon Type
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B Outlet J
1/2" LH
RH
L200S
R200S
730397
730398
441629
441630
1/2" NPT 1/2" NPT 1/2" NPT
LH
RH
L224S
R224S
730403
730404
441633
441634
3/4"-16 MT 1/2" NPT 1/2" NPT
LH
RH
L224S
R224S
730411
730412
441635
441636
7/8"-14 MT 1/2" NPT 1/2" NPT
3/4" LH
RH
L300S
R300S
730333
730334
441596
441597
3/4" NPT 3/4" NPT 1/2" NPT
LH
RH
L324S
R324S
730339
730340
441598
441599
1"-14 MT 3/4" NPT 1/2" NPT
1" LH
RH
L400S
R400S
730304
730305
441578
441579
1" NPT 1" NPT 1/2" NPT
LH
RH
L424S
R424S
730310
730311
441580
441581
1 1/4"-12 MT 1" NPT 1/2" NPT

duff norton rotary unions dual flow flow RSP to 1 inch
9000 Series Dual Flow to 1" - Rotating Syphon Type
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B Outlet J
1/2" LH
RH
L225-4
R225-4
730399
730400
441629
441630
1/2" NPT 1/2" NPT 1/2" NPT
LH
RH
XL225-4
XR225-4
730405
730406
441631
441632
3/4"-16 1/2" NPT 1/2" NPT
LH
RH
XL225-4
XR225-4
730407
730408
441633
441634
7/8"-14 1/2" NPT 1/2" NPT
LH
RH
XL225-4
XR225-4
730413
730414
441635
441636
3/4"-14 1/2" NPT 1/2" NPT
LH
RH
XL225-4
XR225-4
730643
730644
441708
441709
7/8"-16 1/2" NPT 1/2" NPT
3/4" LH
RH
L325-2
R325-2
730335
730336
441596
441597
3/4"-14 3/4" NPT 1/2" NPT
LH
RH
XL325-2
XR325-2
730341
730342
441598
441599
1"-14 3/4" NPT 1/2" NPT
1" LH
RH
L425-10
R425-10
730306
730307
441578
441579
1" NPT 1" NPT 1/2" NPT
LH
RH
XL425-10
XR425-10
730314
730315
441582
441583
1 1/2"-12 1" NPT 1/2" NPT
LH
RH
XL425-10
XR425-10
730312
730313
441580
441581
1 1/4"-12 1" NPT 1/2" NPT

duff norton rotary unions dual flow flow to 3 inch
9000 Series Dual Flow to 3" - Stationary Syphon Type
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B Outlet J
1 1/4" LH
RH
L9500S
R9500S
440321
440322
471459
471460
1 1/4" NPT 1 1/4" NPT 1/2" NPT
LH
RH
L9524S-3
R9524S-3
440329
440330
471461
471462
1 5/8"-8 MT 1 1/4" NPT 1/2" NPT
LH
RH
L9524S-2
R9524S-2
440327
440328
471463
471464
1 5/8"-12 MT 1 1/4" NPT 1/2" NPT
1 1/2" LH
RH
L9600S
R9600S
440145
440146
471363
471364
1 1/2" NPT 1 1/2" NPT 3/4" NPT
LH
RH
L9624S-3
R9624S-3
440149
440150
471367
471368
2"-8 MT 1 1/2" NPT 3/4" NPT
LH
RH
L9624S-2
R9624S-2
440153
440154
471373
471374
2"-12 MT 1 1/2" NPT 3/4" NPT
2" LH
RH
L9700S
R9700S
440466
440467
471553
471554
2" NPT 2" NPT 1" NPT
2 1/2" LH
RH
L9800S
R9800S
440574
440575
471555
471556
2 1/2" NPT 2" NPT 1" NPT
3" LH
RH
L9900S
R9900S
440494
440495
471557
471558
3" NPT 2 1/2" NPT 1 1/4" NPT

duff norton rotary unions dual flow flow RSP to 3 inch
9000 Series Dual Flow to 3" - Rotating Syphon Type
Unit size Thread Rotation model no order no Repair cartridge order no Thread A Inlet B Outlet J
1 1/4" LH
RH
L9525-20
R9525-20
440333
440334
471459
471460
1 1/4" NPT 1 1/4" NPT 1/2" NPT
LH
RH
XL9525-20
XR9525-20
440335
440336
471363
471364
1 5/8"-12 MT 1 1/4" NPT 1/2" NPT
1 1/2" LH
RH
L9625-30
R9625-30
440250
440251
471363
471364
1 1/2" NPT 1 1/2" NPT 3/4" NPT
LH
RH
XL9625-30
XR9625-30
440437
440438
471373
471374
2"-12 MT 1 1/2" NPT 3/4" NPT
LH
RH
XL9625-30
XR9625-30
440448
440449
471367
471368
2"-8 MT 1 1/2" NPT 3/4" NPT
2" LH
RH
L9725-30
R9725-30
440474
440475
471553
471554
2" NPT 2" NPT 1" NPT
2 1/2" LH
RH
L9825-40
R9825-40
440584
440585
471555
471556
2 1/2" NPT 2" NPT 1 1/4" NPT
3" LH
RH
L9925-50
R9925-50
440586
440587
471557
471558
3" NPT 2 1/2" NPT 1 1/4" NPT

duff norton 9000 series shaft
duff norton 9000 series ball bearing duff norton 9000 series bearing retainer duff norton 9000 series seal ring duff norton 9000 series bellows assembly duff norton 9000 series bellows gasket
9000 Series Repair Parts
    Shaft Ball Bearing Bearing Retainer Seal Ring
Unit size Thread Thread A model no order no model no order no model no order no model no order no
1/4" LH
RH
1/4"-18 NPT L003-U
R003-U
463474
463475
105-U 482020 059BRI-TP 847022 108-U 463472
LH
RH
9/16"-18 MT L023-U
R023-U
463476
463477
105-U 482020 059BRI-TP 847022 108-U 463472
LH
RH
5/8"-18 MT L023-U
R023-U
463478
463479
105-U 482020 059BRI-TP 847022 108-U 463472
3/8" LH
RH
3/8"-18 NPT L103-U
R103-U
463484
463485
105-U 482020 059BRI-TP 847022 108-U 463472
LH
RH
5/86"-18 MT L123-U
R123-U
463486
463487
105-U 482020 059BRI-TP 847022 108-U 463472
1/2" LH
RH
3/8"-19 NPT L203-U
R203-U
463428
463429
205-U 482076 087BRI-TP 854744 208-U 463426
LH
RH
3/4"-16 MT L223-U
R223-U
463436
463437
205-U 482076 087BRI-TP 854744 208-U 463426
LH
RH
7/8"-14 MT L223-U
R223-U
463430
463431
205-U 482076 087BRI-TP 854744 208-U 463426
LH
RH
3/4"-14 MT L223-U
R223-U
463434
463435
205-U 482076 087BRI-TP 854744 208-U 463426
LH
RH
7/8"-16 MT L223-U
R223-U
463432
463433
205-U 482076 087BRI-TP 854744 208-U 463426
3/4" LH
RH
3/4"-14 NPT L303-U
R303-U
463291
463292
305-U 482134 100BRI-TP 844654 308-U 463287
LH
RH
1"-14 MT L323-U
R323-U
463293
463294
305-U 482134 100BRI-TP 844654 308-U 463287
1" LH
RH
1"-11 1/2 NPT L403-U
R403-U
463265
463266
405-U 482188 137BRI-TP 844341 408-U 463264
LH
RH
1 1/4"-12 MT L423-U
R423-U
463277
463278
405-U 482188 137BRI-TP 844341 408-U 463264
1 1/4" LH
RH
1 1/4" L9503-U
R9503-U
485070
485071
505-U 482241 156BRI-TP 854753 508-U 482246
LH
RH
1 5/8"-8 MT L9523-4-U
R9523-4-U
485086
485087
505-U 482241 156BRI-TP 854753 508-U 482246
LH
RH
1 1/4" L9523-3-U
R9523-3-U
485084
485085
505-U 482241 156BRI-TP 854753 508-U 482246
1 1/2" LH
RH
1 1/2" NPT L9603-U
R9603-U
483951
483952
605-U 482303 196BRI-TP 863095 608-U 482308
LH
RH
2"-8 MPT L9623-4-U
R9623-4-U
483953
483954
605-U 482303 196BRI-TP 863095 608-U 482308
LH
RH
1 1/2" NPT L9623-3-U
R9623-3-U
483955
483956
605-U 482303 196BRI-TP 863095 608-U 482308
2" LH
RH
2" NPT L9703-U
R9703-U
485181
485182
705-U 482362 237BRI-TP 854757 708-U 482786
2 1/2" LH
RH
2 1/2" NPT L9803-U
R9803-U
485256
485257
805-U 482809 293BRI-TP 854762 808-U 482811
3" LH
RH
3" NPT L9903-U
R9903-U
485155
485156
905-U 482839 400BRI-TP 854766 908-U 482841
LH
RH
3 1/2"-8 MT L9923-4-U
R9923-4-U
485199
485200
905-U 482839 400BRI-TP 854766 908-U 482841
LH
RH
3 1/2"-12 MT L9923-3-U
R9923-3-U
485189
485198
905-U 482839 400BRI-TP 854766 908-U 482841

9000 Series Repair Parts
    Shaft Bellows Gasket Bellows Assembly Housing Gasket
Unit size Thread Thread A model no order no model no order no model no order no model no order no
1/4" LH
RH
1/4"-18 NPT L003-U
R003-U
463474
463475
118-U 482033 120-50-U 841010 109-U 482026
LH
RH
9/16"-18 MT L023-U
R023-U
463476
463477
118-U 482033 120-50-U 841010 109-U 482026
LH
RH
5/8"-18 MT L023-U
R023-U
463478
463479
118-U 482033 120-50-U 841010 109-U 482026
3/8" LH
RH
3/8"-18 NPT L103-U
R103-U
463484
463485
118-U 482033 120-50-U 841010 109-U 482026
LH
RH
5/86"-18 MT L123-U
R123-U
463486
463487
118-U 482033 120-50-U 841010 109-U 482026
1/2" LH
RH
3/8"-19 NPT L203-U
R203-U
463428
463429
218-U 482090 220-50-U 481018 209-U 482083
LH
RH
3/4"-16 MT L223-U
R223-U
463436
463437
218-U 482090 220-50-U 481018 209-U 482083
LH
RH
7/8"-14 MT L223-U
R223-U
463430
463431
218-U 482090 220-50-U 481018 209-U 482083
LH
RH
3/4"-14 MT L223-U
R223-U
463434
463435
218-U 482090 220-50-U 481018 209-U 482083
LH
RH
7/8"-16 MT L223-U
R223-U
463432
463433
218-U 482090 220-50-U 481018 209-U 482083
3/4" LH
RH
3/4"-14 NPT L303-U
R303-U
463291
463292
318-U 482148 320-50-U 481035 309-U 482141
LH
RH
1"-14 MT L323-U
R323-U
463293
463294
318-U 482148 320-50-U 481035 309-U 482141
1" LH
RH
1"-11 1/2 NPT L403-U
R403-U
463265
463266
418-U 482201 420-50-U 481048 409-U 482195
LH
RH
1 1/4"-12 MT L423-U
R423-U
463277
463278
418-U 482201 420-50-U 481048 409-U 482195
1 1/4" LH
RH
1 1/4" L9503-U
R9503-U
485070
485071
518-U 482255 520-U 481062 509-U 482248
LH
RH
1 5/8"-8 MT L9523-4-U
R9523-4-U
485086
485087
518-U 482255 520-U 481062 509-U 482248
LH
RH
1 1/4" L9523-3-U
R9523-3-U
485084
485085
518-U 482255 520-U 481062 509-U 482248
1 1/2" LH
RH
1 1/2" NPT L9603-U
R9603-U
483951
483952
618-U 482316 620-U 481073 609-U 482310
LH
RH
2"-8 MPT L9623-4-U
R9623-4-U
483953
483954
618-U 482316 620-U 481073 609-U 482310
LH
RH
1 1/2" NPT L9623-3-U
R9623-3-U
483955
483956
618-U 482316 620-U 481073 609-U 482310
2" LH
RH
2" NPT L9703-U
R9703-U
485181
485182
718-U 482788 720-U 481547 709-U 482787
2 1/2" LH
RH
2 1/2" NPT L9803-U
R9803-U
485256
485257
818-U 482813 820-U 481268 809-U 482812
3" LH
RH
3" NPT L9903-U
R9903-U
485155
485156
918-U 482843 920-U 481289 909-U 482842
LH
RH
3 1/2"-8 MT L9923-4-U
R9923-4-U
485199
485200
918-U 482843 920-U 481289 909-U 482842
LH
RH
3 1/2"-12 MT L9923-3-U
R9923-3-U
485189
485198
918-U 482843 920-U 481289 909-U 482842

Hethon Nederland BV - Granaatstraat 50 - 7554 TR Hengelo - The Netherlands - Tel: +31 (0)74 2500 555, Fax: +31 (0)74 2500 595