Flexaseal
Single Cartridge Seals
Flexaseal’s single cartridge mechanical seals are engineered to simplify installation, enhance equipment reliability, and reduce long-term maintenance costs. Designed for a wide range of pumping applications—including aggressive chemicals, high-temperature processes, and abrasive slurries—these seals offer rugged, compact sealing solutions trusted across many industries.
Whether you’re looking for a metal bellows seal for corrosive media, a multi-spring seal for high-speed rotating equipment, or an economical solution for general-purpose pumps, Flexaseal offers a full line of single cartridge options that meet demanding performance and environmental standards.
Features
- Quick, cartridge-style installation minimizes downtime
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Fewer components means fewer potential failure points
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Options for corrosive, high-temperature, and abrasive applications
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Compatible with pumps requiring circulation, vent, and drain connections
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Built for chemical processing, water treatment, power generation, and more
typical applications
From chemical plants and refineries to municipal water systems and food processing, Flexaseal single cartridge seals are trusted wherever reliability and sealing integrity are critical. With a broad selection of designs and materials available, you can find a solution tailored to your pump, your process, and your budget.
Single Cartridge Seal Styles
| Style | Description |
|---|---|
| RB | Rotating welded metal bellows cartridge seal for high-temperature applications |
| SMS | Stationary multi-spring cartridge seal ideal for general-purpose use |
| SS | Stationary single spring seal designed for stable, compact performance |
| SB | Stationary welded metal bellows cartridge for harsh process conditions |
| RS | Rotating multi-spring design suitable for higher shaft speeds |
| PHB / PHS | Welded metal bellows seal built for corrosive environments |
| 53A | Heavy-duty rotating metal bellows seal for high-pressure service |
| 57 | Single rotating spring cartridge for standard-duty applications |
| 58A | Stationary multi-spring cartridge seal for tough industrial demands |
| 59A | Rotating multi-spring seal for enhanced mechanical reliability |
| 63A / 66A | Stationary heavy-duty metal bellows seals for extreme process conditions |
| ECON | Economical welded metal bellows cartridge for cost-effective sealing |
| RBX-AQ | Aquarium-grade rotating bellows seal for water features and aquatic systems |
| HPCSA | Triple-ply welded metal bellows seal for ultra-tough, high-pressure duties |