The Cla-Val Model 100-21 is a hydraulically operated, diaphragm actuated, globe or angle pattern valve. It consists of four major components: the body, intermediate chamber, diaphragm assembly and cover. The diaphragm assembly is the only moving part.

The Model 100-21 is recommended where independent operating pressure is desired. The valve’s pack-less construction and simplicity of design assures a long life and dependable operation.