The RD4H-3/4 Extrusion Rupture Discs are designed for emergency relief of excess pressure in plastics processing machinery. It is designed to instantaneously rupture at a predetermined pressure.
The RD4H-3/4 Extrusion Rupture Discs have a 4" stem, Hex Head and a 3/4 - 16 UNF mounting thread. The RD4H-3/4 is available in a wide variety of burst pressures and is typically a stock item.