4219 5: Herz DI Double Flanged Previous Next Description 4219 5: Herz DI Double Flanged, Double Eccentric Butterfly Valves Request Info Other Products From HERZ Armaturen 2662 : Bronze Y-Type Strainer HERZ Armaturen Read More » 2622 : Bronze Swing Check Valve HERZ Armaturen Read More » 7762 : 3-way control valve HERZ Armaturen Read More » 4218 GMF Commissioning valve with test points, straight body, DN 25 – 150 Read More »