Shanghai Trisun Parts Manufacture Co., Ltd.

Business Type:Manufacturer

Main Products: mechanical seal pump seals water pump seals bearing isolators thermosiphon vessels FFKM orings seal rings shaft sleeves and bushingsindustrial pump sealtungsten carbide

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

Manufacturing & Processing Machinery Valves & Pumps & Compressors

FOB Price:US$ 1.00 / Other

MOQ:1 Other

Payment Method : L/C T/T D/P Western Union Paypal Money Gram Others 

Keywords:Mechanical Seals pump seals  

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Product Category: Manufacturing & Processing Machinery > Valves & Pumps & Compressors Trademark:
Product Package: Specifications:
Place of Origin: Port: shanghai

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.









Contact Name: Mrs Lucy Liu Contact Email: tr****9@trisunltd.com
Contact Job Title: Sales Manager Contact Mob: 150***632
Contact Tel: 0086-15000338632 Contact Fax:
Address: Website:
Shanghai Trisun Parts Manufacture Co., Ltd is an advanced fluid seal designer and manufacturer. The corporate headquarters are in Shanghai Pudong Financial Center, and sales and branches are located in Guangzhou and Wenzhou. There are two production facilities, located in Shanghai Songjiang Industrial Zone, Wenzhou Ouhai Sanxi Industrial Zone, Wenzhou Industrial Zone facility has received both the ISO9001:2008 and ISO/TS16949:2009 Quality Management Certifications, and ROSH, CIT, NSF certifications. Songjiang Factory has passed API certification. Shanghai Songjiang Industrial Zone facility is where the R&D, Quality Inspection, and Logistic departments are located. The main products at these locations are high technology seals used in the chemical, pharmaceutical, and power industries. They include dry gas seal systems, agitator seals, cartridge seals, and metal bellows seals. These seals can directly replace John Crane and Burgmann products. Wenzhou Ouhai Sanxi Industrial Zone facility produces high precision single spring seals, PTFE lip seals, and automotive water pump impellers. These are supplied to the most prominent enterprises in the household appliance, food processing machinery, and automotive industries. Trisun has a strong R&D team, including a PhD supervisor and many PhD engineers in the field of fluid seal design. We can offer customers personalized product design and optimization services. Our company has 270 employees and 50,000 square meters production area. Trisun is able to produce at least 10,000,000 sets mechanical seals, 1,000,000 sets of auto water pump impellers, 200,000 sets of variable displacement control valves, and 20,000 sets of metal bellows seals and cartridge seals annually.
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