Audited Supplier
8x6x11
Single End
High Pressure Mechanical Seals
General Speed Mechanical Seal
High Temperature Mechanical Seal
Wear
Standard
22451-1
Balanced
Tungsten Carbide Face
Acceptable
BETTER
Plywood Case
3.5", 2 1/2", 1 7/8", 1 1/8"
China
8484200090
Product Description
BETTER provides popular mechanical seals, tungsten carbide faces, ceramic to carbon face, silicon to tungsten face and silicon carbide faces, also supply packings, shaft with lantern ring in Graphite, Teflon, Kevlar.
The following part no. for your confirmation with us when inquiry:
Mechanical seal (Tungsten carbide faces), P/N: 22451-1, 648414308; 22451-2, 648414340; 22451-3, 648414357; 22451-9A
Packing shaft with lantern ring (Graphite), P/N: 25014-04M-B, 661007005; 25014-04M-BA, 661007008
Packing shaft with lantern ring (Teflon), P/N: 250147-04M-D, 661007011; 25014-04M-C, 661007006
Packing, Shaft -M.S. Backup (Graphite), P/N: 648402600
Ring, Lantern, or Lantern Ring, P/N: 648408607
A set of mechanical seal includes Mechanical seal, 3 pcs packings and a pin.
Approved Part Number(s) Manufacturer
Mechanical Seal Assembly, not include the Graphite Backup Packing (3001200): P25MS/TT, 22451, 17662, 34A-250-MSI, 721540, WVBUF9000, H22451
Graphite (backup) Packing: P25PMSG, 8264-24-OBA, 17660-001, 8A-250-PMSG, 720440, 052141500, H2537-24A, 25014-04M-B,661007005
MCM 250 Pump Parts Reference List
Double Life 250 Centrifugal Pump Parts Reference List
Please don't hesitate to contact our sales if you are interested in any of our products.
Sales Assistant
Att.: Mike Lee
BETTER Drilling Fluid Equipment Industrial Limited
http://betterdrilling2008.en.made-in-china.com
The following part no. for your confirmation with us when inquiry:
Mechanical seal (Tungsten carbide faces), P/N: 22451-1, 648414308; 22451-2, 648414340; 22451-3, 648414357; 22451-9A
Packing shaft with lantern ring (Graphite), P/N: 25014-04M-B, 661007005; 25014-04M-BA, 661007008
Packing shaft with lantern ring (Teflon), P/N: 250147-04M-D, 661007011; 25014-04M-C, 661007006
Packing, Shaft -M.S. Backup (Graphite), P/N: 648402600
Ring, Lantern, or Lantern Ring, P/N: 648408607
A set of mechanical seal includes Mechanical seal, 3 pcs packings and a pin.
Approved Part Number(s) Manufacturer
Mechanical Seal Assembly, not include the Graphite Backup Packing (3001200): P25MS/TT, 22451, 17662, 34A-250-MSI, 721540, WVBUF9000, H22451
Graphite (backup) Packing: P25PMSG, 8264-24-OBA, 17660-001, 8A-250-PMSG, 720440, 052141500, H2537-24A, 25014-04M-B,661007005
MCM 250 Pump Parts Reference List
| No | Description | Reg | MCM |
| 1 | 250 Pedestal | 1 | P25PED |
| 2 | 250 Shaft | 1 | P25SHFT |
| 3 | 250 Outboard Bearing Housing | 1 | P25OBBH |
| 4 | 250 Packing Gland | 1 | P25PG |
| 5 | 250 Inboard Bearing | 1 | P25IBBRG |
| 6 | 250 Water Slinger Ring | 1 | P25SRW |
| 7 | 250 Inboard Bearing Cover | 1 | P25IBBC |
| 8 | 250 Outbaord Bearing | 2 | P25OBBRG |
| 9 | 250 Outboard Bearing Cover | 1 | P25OBBC |
| 10 | 250 Graphite Packing | 1 | P25PMSG |
| 250 King Packing | 1 | P25PMSK | |
| 250 Teflon Packing | 1 | P25PMST | |
| 250 Mechanical Seal | 1 | P25MS/TT | |
| 11 | 250 Gland Bolt Assy | 2 | P25GABA |
| 12 | 250 Shaft Sleeve, Ceramic | 1 | P25SHSLVC |
| 13 | 250 Stuffing Box F/Packing | 1 | P25SB/PK |
| 250 Stuffing Box F/Mech Seal | 1 | P25SB/MS | |
| 14 | 250 2x3x13 Impeller | 1 | P25D233MRxxx |
| 250 3x4x13 Impeller | 1 | P25D343MRxxx | |
| 250 4x5x14 Impeller | 1 | P25D454MRxxx | |
| 250 5x6x11 Impeller | 1 | P25D561MRxxx | |
| 250 5x6x14 Impeller | 1 | P25D564MRxxx | |
| 250 6x8x11 Impeller | 1 | P25D561MRxxx | |
| 250 6x8x14 Impeller | 1 | P25D684MRxxx | |
| 15 | 250 2x3x13 Housing Assy | 1 | P25D233H |
| 250 3x4x13 Housing Assy | 1 | P25D343H | |
| 250 4x5x14 Housing Assy | 1 | P25D454H | |
| 250 5x6x11 Housing Assy | 1 | P25D561H | |
| 250 5x6x14 Housing Assy | 1 | P25D564H | |
| 250 6x8x11 Housing Assy | 1 | P25D681H | |
| 250 6x8x14 Housing Assy | 1 | P25D684H | |
| 16 | 250 Housing Stud w/nut | 12 | P25HSN |
| 7A | 250 Fluid End Gasket Kit | P25FEGK | |
| 17 | 250 Housing Gasket | 1 | P25HG |
| 18 | 250 Impeller Seal O-Ring | 1 | P25IMS |
| 19 | 250 Shaft Sleever Seal O-Ring | 1 | P25SSS |
| 20A | 250 Oil Seal Kit | P25OSK | |
| 20 | 250 Inboard Bearing Seal Kit | 1 | P25IBBOS |
| 21 | 250 Inboard Exclusion Seal | 1 | P251BBES |
| 22 | 250 Outboard Bearing Seal | 1 | P25OBBOS |
| 23A | 250 Power End Gasket Kit | P25PEGK | |
| 23 | 250 Inboard Bearing Cover Gasket | 1 | P25IBBCG |
| 24 | 250 Outboard Bearing Hsg Seal | 1 | P25OBBHS |
| 25 | 250 Outbaord Bearing Cover Seal | 1 | P25OBBCS |
| 26 | 250 Bearing Lock Nut Kit | 1 | P25BLNK |
Double Life 250 Centrifugal Pump Parts Reference List
| Sub-Assembly DOUBLE LIFE | Mark | Qty | Description | Part No |
| Housing | 1 | 1 | Housing | Varied by size |
| 1A | 2 | Gasket, Housing | 720700 | |
| 1B | 12 | Stud, Housing | 720830 | |
| 1C | 12 | Nut, Housing | 720860 | |
| 1D | 1 | Plug, Drain(OPTION) | 721651 | |
| 1E | 1 | Plug, Neck(OPTION) 3X2X13 AND 4X3X13ONLY | 721651 | |
| 2 | 1 | Impeller | 721402 | |
| 2A | 1 | Bolt, Impeller | 721625 | |
| 2B | 1 | Flatwasher, Impeller | 721400 | |
| 3 | 1 | Bold, Stuffing Box | 721400 | |
| 3A | 1 | Lockwasher, Stuffing box | 721401 | |
| Mechanical seal arrangement | M3 | 1 | Stuffing box-Mechanical seal | 721350 |
| M3-A | 1 | Mechanical seal assembly | 721540 | |
| M3-A-1 | Stationary seat | |||
| M3-A-2 | o-ring, stationary seat | |||
| M3-A-3 | Rotating seal ring | |||
| M3-A-4 | Cage assembly with bellows | |||
| M3-A-5 | Spring | |||
| M3-A-6 | Spring retainer | |||
| M3-A-7 | Spring pin | |||
| M3-B | Packing, back-up | 720441 | ||
| M3-C | Plug, cleanout (option) | 721651 | ||
| Packed arrangement | P3 | 1 | Stuffing box-packed | 721340 |
| P3A | 1 | Packing-king | 720470 | |
| Packing-Graphite | 720440 | |||
| Packing-Teflon | 720500 | |||
| P3B | 1 | Grease Fitting-Packing | 721580 | |
| Shaft sleeve assembly | 4 | 1 | Shaft sleeve, 416ss | 721580 |
| 4A | 1 | Seal, shaft sleeve | 721490 | |
| 4B | 1 | Seal, impeller | 721480 | |
| 5 | 1 | Packing gland | 720590 | |
| 6 | 2 | Gland bolt assembly | 720600 | |
| 7 | 1 | Deflector | 721040 | |
| 7A | 1 | O-ring, deflector | 721500 | |
| 8 | 1 | Pedestal | NONE | |
| 8A | 2 | Plug | NONE | |
| Inboard bearing cover assembly | 9 | 1 | Cover, Inboard bearing | 720780 |
| 9A | 1 | Seal, Inboard Bearing Exclusion | 720370 | |
| 9B | 1 | Seal, Inboard Bearing Cover | 720380 | |
| 9C | 1 | Gasket, Inboard Bearing Cover | 720670 | |
| 9D | 2 | Bolt, Inboard Bearing Cover | 720891 | |
| 9E | 4 | Flatwasher, Inboard Bearing Cover | 720091 | |
| 9F | 2 | Nut, Inboard Bearing Cover | 720902 | |
| 9G | 1 | Crease Fitting, Inboard Bearing | 720781 | |
| 9H | 1 | Grease Fitting, Seal | 720782 | |
| 10 | 1 | Bearing, Inboard | 720300 | |
| 11 | 1 | Shaft | 721227 | |
| 11A | 1 | Key, Shaft | 721270 | |
| Outboard Bearing Housing Assembly | 12 | 1 | Housing, Outboard Bearing | 720800 |
| 12A | 1 | Seal, Outboard Bearing Housing | 721510 | |
| 12B | 2 | Bolt, Adjustment, Outboard Bearing Housing | 721890 | |
| 12C | 2 | Jam Nut | 720970 | |
| 12D | 2 | Bolt, Attachment, Outboard Bearing Housing | 721400 | |
| 13 | 2 | Bearing, Outboard | 720320 | |
| 14 | 1 | Locknut, Bearing | 721560 | |
| 14A | 1 | Lockwahser, Bearing Locknut | 721550 | |
| Outboard Bearing Cover Assembly | 15 | 1 | Cover, Outboard Bearing | 720790 |
| 15A | 1 | Seal, Shaft, Outboard Bearing Cover | 720390 | |
| 15B | 1 | Seal, Outboard Bearing Cover | 721520 | |
| 15C | 1 | Grease Fitting, Outboard Bearing | 721671 | |
| 15D | 2 | Bolt, Attachment Outboard Bearing Cover | 720910 |
Please don't hesitate to contact our sales if you are interested in any of our products.
Sales Assistant
Att.: Mike Lee
BETTER Drilling Fluid Equipment Industrial Limited
http://betterdrilling2008.en.made-in-china.com
