Delta RP50587, Valve Cartridge, Diamond Collection
19 Available At All US Supply Locations

Delta RP50587 Cartridge Assembly – Diamond Seal Technology for Single-Handle Faucets
The Delta RP50587 valve cartridge is a genuine replacement component designed for use with Delta single-handle faucets featuring Diamond Seal Technology. This cartridge integrates a diamond-embedded ceramic disc to reduce friction and wear, resulting in a longer operational lifespan and improved resistance to leaks. It ensures consistent, reliable control over water flow and temperature in both residential and light commercial applications.
Built for compatibility with a wide range of Delta models, the RP50587 is essential for restoring original performance in Delta Diamond Seal Technology faucets. It is manufactured for straightforward installation and secure fitment, making it suitable for both service professionals and facility maintenance teams.
Key Features
- Diamond Seal Ceramic Disc: Reduces friction and wear for extended cartridge life
- Engineered Compatibility: Specifically designed for Delta single-handle faucets utilizing Diamond Seal Technology
- Leak-Resistant Construction: Helps eliminate drips and reduces maintenance frequency
- OEM Quality: Manufactured to original Delta specifications for consistent fit and function
Technical Specifications
- Manufacturer: Delta
- Model Number: RP50587
- Technology: Diamond Seal
- Material: Diamond-coated ceramic and composite body
- Application: Single-handle faucet cartridge replacement
Installation Guidelines
Replacement requires standard plumbing tools and access to the faucet body. Ensure water supply is shut off prior to installation. While the process is straightforward, attention to alignment and seating of the cartridge is critical for proper operation. For high-use or multi-fixture facilities, licensed plumber installation is recommended to ensure code compliance and optimal performance.
Application
Suitable for maintenance and repair of compatible Delta kitchen and lavatory faucets equipped with Diamond Seal Technology. Not interchangeable with non-Diamond models or other cartridge systems.
Specifications
| Weight | 0.170000 |
|---|---|
| Length (inches) | 5 |
| Width (inches) | 3.95 |
| Height (inches) | 1.75 |
| Item Type | Faucet Parts |
| Brand | Delta |
| Manufacturer | Delta Faucet Company |
| MPN | RP50587 |
| Sub Type | Single Handle Valve Cartridge |
| Material | Plastic |
| Item Returns | This item can be returned |
