Nov22451 Mechanical Seal with 648402600/8264-24-Ob Packing, Halco Pump Seal

Mud centrifugal pump parts and ANSI pump parts in stock! Quick delivery and OEM QUALITY!

Type 1 seal and shaft sleeve are used for mud centrifugal pumps and ANSI pumps such as mcm?, mission? magnum, halco?, mattco, harrisburg?, national oilwell, mission?2500 supreme, spd mud hog?, derrick? premium 2500. Curflo?,  Forum? and other major brand pumps.

Type 1 seal is identical to Mission pump seal NOV# 22451-1, 648414308.
Trisun double cartridge seal is identical to Mission pump seal KCD Olympia double cartridge mechanical seal.  .

Type 1 seal faces can be added diamond coating and has longer life time. We are the only one China seal manufacturer who can produce diamond coating on seals. 

Dimensions: 2.5 inch, 1.875 inch and 1.5 inch
Material: Tungsten Carbide  VS  Tungsten Carbide, Viton, SS316 machining parts

Type 1 seals, same as NOV #22451-1, fit the following pumps too:
MISSION MAGNUM 1 and XL MUD PUMPS
NOV HALCO 2500 SUPREME MUD PUMPS
SPD 2.5″ MUD HOG CENTRIFUGAL PUMPS

Its sleeves are made of stainless steel and has two choices:
stainless steel and stainless steel with ceramic coating.
The sleeves with ceramic coating have longer service time and very good quality.

In harsh conditions, these pumps use cartridge seals and we also produce cartridge seals.

We also have other pump parts for MCM pumps, such as housing, impeller, bearings, oil seals etc. 

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: 648402600/8264-24-OB

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

Pump Rebuild Kit for Mission NOV Varco SandMaster Pumps 2?"seal.

The Standard Service rebuild kit includes:

(1 Mechanical seals with VITON? elastomers, Tungsten seal face and Tungsten stationary seats

(2 Set of premium oil field packing

(3 Ceramic coated 316SS sleeve or stainless steel sleeve

(4 Replacement pin

(5 NOV Part # 22451-1

CERAMIC COATED SHAFT SLEEVE

OEM#: P25SHSLVC, 7A-250-SSC, 721580, 641102181, 17666-002, 11-250SBPG,052144200, H20613-21G-7A

STAINLESS STEEL SHAFT SLEEVE

OEM #: MISSION 20943-21,641102182

ALLOY STEEL SHSFT

OEM# 20612-02-33, 646490557, TP-25SHFT, 17665-001, 7-250-416SS, P25SHFT, 052133900, H20612-02-33

Key, shaft: 4372-5-21,H4372-5-21,601212392,WWW00A004,H4372-5-21

If you need more information about seals and sleeve, pls. contact me directly.