KNG 740
Kingston Side Outlet Relief Valve – ASME Section VIII – NB Certified for Liquid, Air/Gas, and Steam
Sizes: 1/2″ to 2″
Pressure Range: 5 – 750 PSI (Liquid) ; 5 – 750 (Air); 5 – 300 (Steam)
Application: Pressure Vessels, Pumps, Hydraulics, Tanks, Steam Systems, Chemical, Cryogenic, Air and Gas Compressors, Separators, By-pass and Over Pressure Protection. Choose for most industrial applications requiring a safety relief valve.
The KNG 740 Series Safety and Relief Valve is designed for accuracy and reliability. Engineering 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. Pressure are to 750 PSI. Available with the full array of metal and seating options.
KNG 740 Series- Brass, bronze construction and stainless steel ring, seat (disk) and springs. ASME Section VIII to 300 PSI for air/gas and liquid and 250 PSI for steam services
KNG 741 Series- Stainless steel nozzle, ring, disk, and spring. Bronze bonnet, and body. ASME Section VIII to 750 PSI for liquid and air/gas. 300 PSI for steam.
KNG 742 Series- Stainless steel nozzle, ring, disk and springs. Carbon steel body and bonnet. Rating same as 741. Used as an all steel option.
KNG 743 Series- Same as 742, with stainless steel bonnet, body and components. Used where a stainless steel valve is required.
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