Tank-bottom discharge valves

Tank-bottom valves control discharge through an outlet at the bottom of a vessel. The appropriate design depends on the process fluid, discharge requirements and available space. Connections and operating limits must be confirmed for each installation.

IVT describes a ball valve mounted at the bottom of a tank. The ball turns through 90° to open or close the flow path. IVT must confirm the valve design and materials against the process fluid, temperature, pressure, vessel connection and installation dimensions.

The valve element lifts upwards into the flow passage to open. Allow for this movement when specifying the vessel-bottom connection and available clearance. IVT must confirm suitability for the process fluid and installation; no general fluid compatibility range is specified here.

The valve element moves downwards into the valve body to open, travelling along the inner wall. IVT describes this design for high-viscosity fluids and slurries where clogging is a concern. These application statements apply to the piston type and should not be assumed to apply to the ball or DISC UP designs.

Provide the process fluid and phase, any known viscosity or solids content, operating and design temperatures and pressures, vessel-bottom connection details and available space. Include the discharge requirements, existing valve design and any heating or insulation needs.

Send what you have; you do not need a complete data sheet to start a discussion. IVT must confirm the connections, operating limits, materials and installation compatibility for the application.

IVT is responsible for confirming the valve design, materials and suitability for your application. NEEDE helps you prepare the technical requirements, works with IVT on product selection and supports procurement and supply.