Used 4"Ø Cast Stainless Steel DeZurik Knife Gate Valve - Fig. 824
Manual handwheel actuated. 304 stainless steel body and metal seated (unidirectional) gate. Threaded lug style 4"Ø ANSI 150 connection. Max. temperature: 500°F, Max. pressure: 500°F. Valve weight: 35lbs.