Bell & Gossett RL-4FB Rolairtrol Flanged Air Separator
Bell & Gossett RL-4FB Rolairtrol Flanged Air Separator
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 5363-04F-12-004 |
| Model Designation | RL-4FB |
| Connection Type | Flanged |
Maintaining optimal hydronic system efficiency requires the effective removal of trapped air, which the Bell & Gossett RL-4FB Rolairtrol air separator achieves with precision. Designed for seamless integration into large-scale commercial piping systems, the 5363-04F-12-004 provides superior air elimination, preventing common issues like pump cavitation, noise, and reduced heat transfer performance.
The Rolairtrol unit functions by utilizing an internal stainless steel coalescing medium that creates a localized low-velocity zone, forcing air bubbles to rise and collect in the upper chamber for discharge through an air vent. This advanced mechanical design ensures continuous system protection by capturing both free-floating air and microbubbles before they can circulate through downstream piping and heat exchangers.
Key System Performance Baselines:
- Enhanced Heat Exchange: Removes entrained air to ensure maximum thermal contact within system radiators and coils.
- Extended Equipment Life: Reduces oxidative corrosion and prevents localized cavitation damage to system pumps.
- Quiet Operation: Eliminates gurgling noises and air-lock conditions that disrupt consistent fluid flow.
⚠️ Application Profile: Ideal for large commercial heating and cooling hydronic loops, high-rise building piping, and industrial HVAC water systems requiring sustained, long-term performance.
