The SS-4BK-TW-1C from NUPRO CO is a stainless steel bello-sealed valve with a gasketed design. Featuring a PCTFE stem tip, this valve offers reliable and precise control. With a 1/4" TSW and 3/8" TBW, it provides versatility for different applications. The SC-11 cleaned and NC actuator ensures efficient and smooth operation. Upgrade your valve systems with this high-quality and dependable bello-sealed valve.