Pressure Regulator 1-1/4 (32MM) Pressure, Range A - Hansen Model Number: 20921

Model Number: 20921

spring handle actuation

First stage draws fuel

Rust-Resistant Finish: The notcher is finished with rust-resistant nickel plating and black oxide

Pressure Regulator 1-1/4 (32MM) Pressure, Range A - Hansen Model Number: 20921The Hansen HA4A 31 is a 1 1 4" (32 mm) modular pressure regulator designed for use in ammonia (NH) and other industrial refrigeration systems. It is part of the HA4A series, known for its rugged construction, modular design, and high reliability in demanding environments. Technical Specifications Model: HA4A 31 Port Size: 1 1 4" (32 mm) Connection Type: Threaded (FPT) Pressure Range: Range A (typically for lower pressure applications) Safe Working