Overview
The Flowserve 140033-831-R is a ring seat component for pump shaft seals, designed to maintain pressure integrity in hydraulic and pneumatic pump systems. This repaired unit carries the material designation MK1-1-1/2 and is sized at 1.25 inches. Ring seats are critical wear components in mechanical seal assemblies that prevent fluid leakage while accommodating normal pump operation and thermal cycling.
Key Features
- Designed for Flowserve pump shaft seal applications
- Ring seat configuration minimizes leakage in pressurized systems
- 1.25-inch nominal size with MK1-1-1/2 material specification
- Repaired and tested for functionality
- Direct replacement for original equipment seals
Technical Specifications
- Part Number: 140033-831-R
- Manufacturer: Flowserve
- Nominal Size: 1.25 inches
- Material Code: MK1-1-1/2
- Component Type: Ring Seat (Mechanical Seal)
- Application: Pump shaft sealing
- Condition: Used, Repaired
Typical Applications
Ring seat components are essential in pump shaft seals across industrial fluid handling systems. Common applications include:
- Centrifugal pump seal assemblies
- Gear pump mechanical seals
- Hydraulic system pump sealing
- Process fluid transfer systems
- Industrial water circulation systems
Compatibility & Replacements
Compatible With
- Flowserve pump shaft seal assemblies
- Mechanical seal systems requiring 1.25-inch ring seats
- Standard pump cavity configurations compatible with MK1-1-1/2 material specification
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or maintenance manual before ordering. The Flowserve 140033-831-R serves as a direct replacement for original ring seat components in compatible Flowserve seal assemblies.
Works With
- Flowserve mechanical seal assemblies
- Standard pump mount configurations
- Hydraulic and pneumatic system sealing applications














