Spirax Sarco's SV418 bronze safety relief valve is designed for accurate seating and minimal blowdown
Spirax Sarco's SV418 bronze safety relief valve is built for liquid, steam, air and gas services. The valve is rated to ASME and National Board Certified standards for Section VIII service. ASME Section VIII to 750 psi for Liquid, Air, and Gas. 300 PSI for Steam. The SV418 is a multiple-purpose safety relief valve that is available in sizes from ½ to 3 inches.