Double Life Dl250 Pump Replacement Mechanical Seal Assy Pn 721540

• Customization: Available
• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: 721540
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: Corrosion
• Standard: Standard
• Type: 22451-1
• Balance: Balanced
• Application: Mission, Mcm, Halco, Doublelife Pumps
• Transport Package: Plywood Case
• Specification: 2 1/2"
• Trademark: BETTER
• Origin: China
• HS Code: 8484200090
• Production Capacity: 5000 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

Please don't hesitate to contact our sales if you are interested in any of our products.

Business Developing Depart.
Att.: Anna
BETTER Drilling Fluid Equipment Industrial Limited
http://betterdrilling2008.en.made-in-china.com