Mission XP Pump Mechanical Seal, Mcm XL Centrifugal Pump Seal

• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: High Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Model NO.: Type 1-3.5"
• Mcm Pump Seal and Shaft Sleeve: Mcm 250 Mechanical Seal
• Type 1 Seal: Nov #22451-1
• Harrisburg Mud Pump Seal: Type 1-1 1/8 Pump Seal
• Forum Centrifugal Pump Seal: Type 1-3.5" Shaft Seal
• Nov Halco 2500 Supreme Mud Pumps Seals: Diamond Coating Seal
• Curflo Pump Seal: Mud Centrifugal Pump Seal
• Mcm 250 Pump Seal: Type 1 Mechanical Seal
• Mission Pump Seal: Type 1 Pump Seal
• Magnum Pump Seal: Type 1 Shaft Seal
• Mud Hog Pump Seal: Type 1-2.5" Seal
• Mcm XL Seal: Type1-3.5"
• Diamond Seal: Diamond Coating
• Diamond Seal Face: Uncd Coating
• Ceramic Coating: Coated Shaft
• Uncd Coating: Coated Shaft Sleeve
• Transport Package: Neutral Packing
• Specification: standard
• Trademark: Trisun
• Origin: China
• HS Code: 84842000
• Production Capacity: 200, 000

Product Description

2.5" mechanical seals, shaft sleeves and packings for 250 series centrifugal pumps in stock in Shangahi China and Texas USA!!!
3.5" mechanical seals, shaft sleeves for XP and XL centrifugal pumps in stock in Shanghai China and Texas USA!!!
For any parts, pls. contact Ms. Lucy Liu. 

Mud centrifugal pump parts and ANSI pump parts:

Mechanical seals with diamond coating on sealing faces to extend lifetime. 
Type 1-3.5" seal is used for Mission XP, MCM XL pumps (12X14X22 & 10X12X23)

diamond coating, UNCD coating is used for high wear applications worldwide;
a wide variety of industries, including oin & gas, chemical, water treatment, power, and mining have adopted UNCD as a preferred solution for critical applications.
It can improve the performance of ratating equipment. 

The rubber bellow can be made of FFKM to resist high temperature and corrosion. 

Centrifugal pump seals for 250, 178, 118, 100% interchangeable with Mission and MCM. 










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 1-3.5" 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.