Caleffi NA551100A Discal Air Separator 4 Inch Flange

Product Description

The CALEFFI NA551100A Discal air separator continuously removes air from hydronic heating and cooling systems, ensuring optimal equipment operation. This steel unit automatically eliminates air down to micro-bubble levels with high discharge capacity and low head loss. It prevents noise, corrosion, and mechanical damage by circulating fully de-aerated water. Its bidirectional flow design and ANSI 150 lb Raised Face Flange connection make it suitable for water/glycol solutions.

• Continuously removes air from hydronic heating and cooling circuits.
• Ensures optimum equipment operation by circulating de-aerated water.
• Features a bidirectional flow design and low head loss.

Product Highlights

High-efficiency air separation for hydronic systems, preventing corrosion and ensuring quiet, optimal performance.

Product Information

Standard Information

• Brand: CALEFFI
• Manufacturer Part Number: NA551100A
• Country of Origin: US

Technical Specifications

• Connection Type: ANSI 150 lb Raised Face Flange
• Material: Steel
• Nominal Size: 4 in
• Series: NA551
• Suitable Media: Water/Glycol Solution
• Temperature Rating: 32 to 270 deg F
• Working Pressure: 150 psi
• Product Type: Air Separator
• Finish: Epoxy Resin
• Country of Origin: USA
• Air Separation Efficiency: Up to 100 percent Removal
• Includes: NA39753 Bottom Drain Valve, 538402 FD Side Drain Valve
• Certifications: ASME Tagged and Registered, CRN Registered