Overview
The Flowserve 1375DE pump seal (model 375DE 3434) is a precision mechanical seal assembly designed to deliver reliable, long-service performance in industrial centrifugal pump systems. Manufactured by Flowserve, a global leader in mechanical seal technology with over a century of sealing expertise, this unit is engineered to prevent product leakage while maintaining pump efficiency across a broad range of industrial applications.
Key Features
- Mechanical seal design suitable for centrifugal pump installations
- Engineered for industrial fluid handling and process applications
- Flowserve manufacturing with established reliability in critical sealing environments
- Balanced seal design for stable performance and extended service life
- Compatible with standard pump mounting configurations
Technical Specifications
For exact pressure ratings, temperature limits, seal face materials, and shaft compatibility specifications, consult the manufacturer’s application data sheet or contact a Flowserve authorized distributor. The specific configuration of the 375DE 3434 must be verified against your pump’s seal chamber and operating parameters before installation.
Typical Applications
The Flowserve 1375DE seal is suitable for a wide range of industrial centrifugal pump applications, including:
- Process water and industrial fluid circulation systems
- General refinery and chemical processing pump service
- HVAC and building services centrifugal pump installations
- Oil and gas production equipment support
- Power generation cooling water systems
Compatibility & Replacements
Compatible With
- Flowserve centrifugal pump models requiring mechanical seal retrofit or replacement
- Standard seal chamber mounting configurations per API 610 and ISO 13709 pump designs
- Pump systems requiring balanced mechanical seal technology
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Direct cross-reference information for this specific model number is not available in public technical literature. Consult Flowserve or an authorized distributor to confirm replacement fitment for your existing seal assembly.
Works With
- Centrifugal pump installations with mechanical seal chambers
- Standard pump coupling and drive arrangements
- Industrial fluid handling systems across chemical, petrochemical, and utilities sectors














