Danfoss VFGS 2 two-way flanged globe (seat) valve body, OEM order code 065B2431. Nominal size DN20, pressure class PN 16, flow coefficient Kvs 6.3 m³/h. The VFGS 2 is the valve-body element of Danfoss steam control-valve assemblies: it pairs with a matched self-acting (AFA / AFP / AFT / AVT) or electric (AMV / AME) actuator to form a temperature, pressure, differential-pressure or flow controller. Grey cast iron EN-GJL-250 (GG-25) body with stainless-steel, mat. no. 1.4021 cone and stainless-steel, mat. no. 1.4021 seat, linear optimized flow characteristic, 6 mm stroke, spindle normally open. Rated for steam at 2 °C to 300 °C, maximum differential pressure 16 bar. Data quoted verbatim from store.danfoss.com (code 065B2431).