Alfa Laval Gasketed Plate-and-Frame Heat Exchangers
HVAC Line – AlfaQ™ and Double-Wall Models
Alfa Laval AlfaQ™ heat exchangers are AHRI Certified®, based on AHRI Standard 400, ensuring thermal performance follows manufacturers’ published specifications. AHRI Certified® units are subject to continual, rigorous testing and have their ratings independently verified by a third party. Certified units may be found in the AHRI Directory at www.ahridirectory.org.”to ” Alfa Laval AlfaQ™ heat exchangers are AHRI Certified®, according to AHRI Standard 400, ensuring thermal performance follows manufacturers’ published specifications. AHRI Certified® units are subject to continual, rigorous testing and have their ratings independently verified by a third party; please refer to the AHRI Directory for certified units.
Model Comparison
Find and compare the models suitable for your application below:
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| Model | AQ1 | AQ1L | AQ2A | AQ2T | AQ2L | AQ2S | AQ3 | AQ4T |
| Connection Size Inches | 1-1/4″ | 1-1/4″ | 2″ | 2″ | 2″ | 3″ | 3″ | 4″ |
| Max. Flow Rate in GPM (m3/h) | 30 (5.7) | 30 (5.7) | 180 (41) | 180 (41) | 180 (41) | 180 (41) | 300 (68) | 800 (182) |
| Max. Temp. Rating in °F (°C) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) |
| Standard /Max. Pressure Rating in psi | 150/150 | 150/150 | 150/300 | 150/300 | 150/300 | 150/300 | 150/150 | 150/400 |
| AQ-Series Model | AQ4L | AQ6T | AQ6L | AQ8T | AQ8 | AQ8S | AQ10T |
|---|---|---|---|---|---|---|---|
| Connection Size Inches | 4″ | 6″ | 6″ | 8″ | 8″ | 8″ | 8/10″ |
| Max. Flow Rate in GPM (m3/h) | 800 (182) | 1700 (386) | 3000 (681) | 3000 (681) | 3000 (681) | 3000 (681) | 3000 (681)/ 4500 (1020) |
| Max. Temp. Rating in °F (°C) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) |
| Standard /Max. Pressure Rating in psi | 150/400 | 150/460 | 150/300 | 150/300 | 150/300 | 150/300 | 150/434 |
| AQ-Series Model | AQ14 | AQ14L | AQ14S | AQ18 | AQ18TS | AQ20 | AQ20S |
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| Connection Size Inches | 12/14″ | 12/14″ | 12/14″ | 18″ | 18″ | 20″ | 20″ |
| Max. Flow Rate in GPM (m3/h) | 7000 (1590)/ 8000 (1820) | 7000 (1590)/ 8000 (1820) | 7000 (1590)/ 8000 (1820) | 12000 (2725) | 12000 (2725) | 20000 (4542) | 20000 (4542) |
| Max. Temp. Rating in °F (°C) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) | 356 (180) |
| Standard /Max. Pressure Rating in psi | 150/400 | 150/400 | 150/400 | 150/310 | 150/310 | 150/300 | 150/300 |
In addition, Valutech offers Alfa Laval’s double-wall plate heat exchangers, which are suitable for domestic hot water applications, and other scenarios where cross-contamination of media must be avoided at all costs.