Aquatrol's new Series 740 safety and relief valve is designed for accuracy and reliability. Engineered for heavy-duty industrial usage. Multiple purpose safety and relief valve for all services: Liquid, Steam and Air/Gas. ASME and National Board Certified for Section VIII service. Pressures are to 750 PSI. Available with the full array of metal and seating options.
Brass, bronze construction with stainless steel ring, seat (disk) and springs. ASME Section VIII to 300 PSI for air/gas and liquid and 250 PSI for steam services.
Stainless steel nozzle, ring, disk and springs. Bronze bonnet, and body. ASME Section VIII to 750 PSI for Liquid and air/gas. 300 PSI for Steam.
Stainless steel nozzle, ring, disk and springs. Carbon steel body and bonnet. Ratings same as 741. Used as an all steel option.
Same as 742, with stainless steel bonnet, body and components. Used where a stainless steel valve is required.