Mechanical Seal Assembly for Mission/Mcm 250/178/118 22451-1, P25ms/Tt

• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: High Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Model NO.: 8x6x11
• Type: 22451-1
• Balance: Balanced
• Material: Tungsten Carbide Face
• Customize: Acceptable
• Transport Package: Plywood Case
• Specification: 3.5", 2 1/2", 1 7/8", 1 1/8"
• Trademark: BETTER
• Origin: China
• HS Code: 8484200090
• Production Capacity: 10000 PCS Per Year

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

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