Our centrifugal pumps and spare parts are interchangeable with those (standard) manufactured by MCM®, Mission® Magnum, Halco®, Mattco, Harrisburg®, SPD Mud Hog®, Derrick® .

Important, we are specialized in OEM business, as customer's samples and drawings.

Mud centrifugal pump parts and ANSI pump parts:
TRISUN's new dry-running seal technology will provide solutions for our customers with intermittent dry-running on mechanical seals and erosion/corrosion applications.  
 the new seal technology were subjected to several dry-running and thermal shock scenarios with no leaks or failures.  The initial test was a 15 minute dry-run and then a 15 minute flooded run.  The test concluded with six (6), 5 minute intermittent dry-runs, with a test total of 60 minutes.
Applications:
Heavy Drilling Mud
Sand Slurry
Waste Slurry
Slag
Food processing
Sewage
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.


most common 2500 series pump will be equipped with this seal and shaft sleeve. 

Type 1 seal has 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, oil seals etc. 









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