My article in the Aug. 2 issue of The News reviewed conventional thermostatic expansion valves (TEVs or TXVs) and covered the basic operation of electronic expansion valves (EEVs). This column will ...

Matrix calls this method of flow control pulse code modulation. The electrical impulse can be varied through simple electronic feedback systems. This valve family can be operated by 12- or 24-Vdc.

SARASOTA, Fla., August 21, 2024--Helios Technologies (NYSE: HLIO) Releases High Capacity Electro-Proportional Flow Control Valve Solution for Precise Motion Control at High Flow Rates ...

Proportional valve parts are built to be interchangeable; thus, the spool in low-performance valves can have considerable overlap in the null position. This overlap causes flow deadband, which is ...

The Modular Silicon Expansion Valve (MSEV) from DunAn Microstaq (DMQ) is a fast-responding electronic expansion valve that can be used in a variety of refrigeration applications, including display ...