Type 1 seal is used for centrifugal mud pumps such as Curflo, Mission, Forum, MCM, Amstrong, Pentair and other major brand pumps.

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.




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