Pressure Regulator 3 (80MM) Pressure Range A - Hansen Model Number: 21557

Model Number: 21557

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Product Code: CA611

HVAC and boiler systems

Pressure Regulator 3 (80MM) Pressure Range A - Hansen Model Number: 21557The Hansen HA4A 71 is a 3" (80 mm) modular pressure regulator designed for ammonia (NH) and other industrial refrigerants. It is part of the HA4A series, known for its rugged construction, modular design, and high reliability in demanding refrigeration environments. Technical Specifications Model: HA4A 71 Port Size: 3" (80 mm) Connection Type: Flanged Pressure Range: Range A (typically for lower pressure applications) Safe Working Pressure: 400 PSIG