MILROYAL® D series with revolutionary Dynamic Stiffness Diaphragm® (DSD) technology for critical applications in oil & gas, chemical processing and water treatment. The rigid design prevents forward movement of the diaphragm, eliminates hydraulic cavitation and provides exceptional long service life. Integrated internal relief valve, refill valve and air bleed valve. Small hydraulic fluid reservoir (40 mL), visual overpressure and oil level indication. Ideal for chemical injection in critical processes with over 80 years of Milton Roy reliability.
