Dresser 3990-1 Valve is a 1/2-inch nominal valve from Dresser’s Consolidated Valve family, identified by part number 3990-1. It is designed to control or isolate flow within piping systems where a small-diameter valve is required. This 1/2-inch valve is compatible with standard piping fittings used in various industrial applications that rely on compact, lower-diameter valving. The 3990-1 designation helps operators match replacements or compatible components within the Consolidated Valve lineup. In installations that require a 1/2-inch valve in a Consolidated Valve system, this part provides the necessary size and model reference for proper identification and ordering.
