Float Valves Float Valves Type NV 94 | Mankenberg Float Valves Type NV 94 | Mankenberg Valve for small to high flow rates The float valve NV 94 is a valve for horizontal or vertical installation inside a tank as inlet or outlet valve. This valve is made entirely of stainless steel featuring excellent corrosion resistance. The valve cone can be fitted with a soft seal (up to 130 °C) or a metallic seal (up to 300 °C). View BSP NPT PN 16 DIN Stainless Steel