Description LEOPARD Pressure Sustaining Diaphragm Valve: Maintaining Minimum Hydraulic Pressure in Systems The LEOPARD pressure sustaining diaphragm valve is an ideal solution for maintaining minimum hydraulic pressure in systems. This diaphragm valve effectively regulates hydraulic pressure in the pipeline, ensuring a minimum hydraulic pressure is maintained in the main line, regardless of distribution demand. The LEOPARD pressure sustaining valve range covers a wide variety of applications, as it is available in sizes from DN 20 to DN 300. Its approval guarantees that the valve meets European quality and safety standards.