Description
FLUITEN Standard Mechanical Double Cartridge Seals CB2D – Seal with flange with specifications suitable for ISO pumps and connection for plan 52. With flushing connection.
Key Technical Specifications:
| DIAMETER | SPEED | PRESSURE | TEMPERATURE |
|---|---|---|---|
| 25-90 (mm)* | 0-12 (m/sec) | 0-25 (bar) | -50 ÷ 250 (°C) |
Why Choose FLUITEN CB2D?
The CB2D is a single-cartridge , double-balanced hydraulic seal designed for heavy-duty applications-ideal for dangerous or crystallizing fluids. It supports both pressurized and atmospheric auxiliary barrier systems , ensuring reliable sealing in high-pressure , high-temperature environments. The cartridge assembly includes Fluistrip alignment , slotted flange , external springs , and a sliding drive , making installation precise and maintenance-friendly.
Key Technical Specifications
Seal Type: Cartridge-mounted, double-balanced hydraulic seal
Stationary Ring Options: Silicon carbide, graphite, or tungsten carbide
Rotating Ring Options: AISI 316 + graphite , silicon carbide , or tungsten carbide
Gaskets: Multiple elastomer options (FKM , EPDM , FFKM) and carbon fiber flange gasket
Springs: Hastelloy array positioned outside the process fluid
Drive System: Sliding drive lugs maintain ring contact and compensate for axial movement
Flush / Barrier Connections:
Plan 52 / Plan 53 for pressurized barrier fluid
Plan 54 / Plan 55 for external flushing
Installation Features:
Slotted flange adaptable to various stuffing-box geometries
Fluistrip centering tool for quick, accurate installation
Typical Applications
Heavy-duty centrifugal and rotary pumps in chemical and industrial services
Handling of dangerous , crystallizing , or high-temperature fluids
Systems requiring double-balanced sealing with barrier fluid management
Installations prioritizing quick cartridge retrofit and reliable performance
Additional Features
Double hydraulic balance allows stability across pressure reversals
External springs and clean profile resist clogging in crystallizing or viscous media
Sliding drive design ensures continuous seal face engagement under movement
Fluistrip tool and slotted flange streamline and secure installation
Modular ring and gasket options accommodate diverse chemical compatibility needs
Patented bushing and drive system reduce overall cartridge length while maintaining high integrity
FLUITEN’s CB2D offers a compact , robust cartridge seal with double-balanced hydraulics , external-spring durability, and versatile barrier fluid options-perfect for high-pressure, high-temperature, and hazardous fluid applications. With easy installation and minimal maintenance requirements , it delivers dependable performance in the toughest industrial environments.
