Description
FLUITEN Standard Mechanical Single pusher Seals CB8S – Seal with springs located outside the fluid , and an auxiliary fixed bush: 1CW-FX; Maximum pressure: 20 bar.
Key Technical Specifications:
| DIAMETER | SPEED | PRESSURE PROCESS | TEMPERATURE |
|---|---|---|---|
| 20-110 (mm) | 0-23 (m/sec) | 0-20 (bar g) | -40 – 176 (°C) |
Why Choose FLUITEN CB8S?
The CB8S is a balanced , single-pusher pusher seal engineered for use with dirty or suspended-solid liquids. Its compact size , external springs , and robust rotating ring drive system make it ideal for installations where vibration , misalignment , or seal wear are concerns.
Key Technical Specifications
Seal Configuration: Single pusher with flange and fixed bushing
API Standard: Designed to API 682 4th edition
Springs: Multi-spring array located entirely outside the process fluid
Seal Face Materials:
Stationary Rings: Antimony-impregnated graphite (Z11) , reaction-bonded SiC (U41) , sintered SiC (U31) , or solid tungsten carbide (K21)
Rotating Rings: Reaction-bonded SiC (U41) , sintered SiC (U31) , or solid tungsten carbide (K21)
Elastomers:
Rotary ring: FKM, EPDM, or FFKM
Stationary ring: FKM , EPDM , or FFKM
Sleeve: FKM , EPDM , or FFKM
Flange: FKM , EPDM , or FFKM
Bushing: Fixed graphite sleeve (Z3)
Drive System: Hardened sliding drive lugs ensure secure rotation even under misalignment or ring wear
Flange & Sleeve: Slotted flange and customizable sleeve for easy fitment across pump types
Installation: Compact design simplifies retrofit on existing ANSI pumps
Typical Applications
ANSI (B73.1/B72.2) horizontal and vertical pumps
Services involving dirty or solid-laden liquids
Industrial , chemical , and petrochemical systems needing a reliable , compact API-compliant pusher seal
Additional Features
Balanced hydraulic design maintains face contact under pressure surges
External spring placement prevents clogging and enhances durability
Efficient sliding-drive rotor mitigates misalignment and vibration effects
Compact pusher format enables fast installation and low downtime
Material flexibility allows compatibility with diverse fluids and operating conditions
