Gianneschi TMG25V Mechanical Seal D25 Viton OEM Replacement
The Gianneschi TMG25V Mechanical Seal is an OEM replacement sealing component designed to prevent fluid leakage at the rotating shaft interface in compatible Gianneschi pumps. Built with carbon/graphite, aluminum oxide, stainless steel, and Viton elastomers, this seal is engineered for durability, chemical resistance, and dependable performance in demanding pumping applications.
With D25 dimensions and 25x47 CF50x2 configuration, the TMG25V is commonly used in MVI 60, MVI 80, CP40 S2, CP40/100, and CP40/140 pump models. It is ideal for maintenance, leak prevention, and restoring operational efficiency in industrial, commercial, and fluid transfer systems. Whether replacing a worn shaft seal or servicing a compatible pump assembly, this genuine Gianneschi part supports long service life and reliable sealing integrity.
Key Features
- OEM Gianneschi mechanical seal
- Part number TMG25V
- D25 seal size
- 25x47 CF50x2 configuration
- Viton elastomer construction
- Carbon/graphite sealing faces
- Designed for rotating shaft leak prevention
- Corrosion and chemical resistant materials
- Precision fit for compatible Gianneschi pumps
- Supports efficient pump maintenance and repair
Applications
- Centrifugal pump maintenance
- Industrial fluid transfer systems
- Water circulation pumps
- Bilge and utility pump service
- Commercial pumping equipment repairs
- Replacement in compatible MVI and CP series pumps
Specifications
- Manufacturer: Gianneschi
- Part Number: TMG25V
- Product Type: Mechanical Seal
- Seal Diameter: D25
- Seal Dimensions: 25x47 CF50x2
- Seal Material: Carbon/Graphite, Aluminum Oxide, Stainless Steel, Viton
- Compatible Models: MVI 60, MVI 80, CP40 S2, CP40/100, CP40/140
- Function: Shaft sealing and leak prevention
- OEM Replacement: Yes
FAQ
What does the Gianneschi TMG25V mechanical seal do?
It prevents leakage where the pump shaft rotates through the housing, protecting the pump and maintaining system efficiency.
Is TMG25V an OEM Gianneschi part?
Yes, TMG25V is an original Gianneschi mechanical seal replacement.
What material is used in the TMG25V seal?
It uses a combination of carbon/graphite, aluminum oxide, stainless steel, and Viton for durability and chemical resistance.
Can this seal be used in non-marine applications?
Yes. Although used in marine and utility pumps, it can also serve industrial and commercial fluid handling systems where specifications match.
When should a mechanical seal be replaced?
Replacement is recommended when leakage, reduced performance, shaft wear, or seal face deterioration is observed.