This hand wheel operated closing soft-seated valve with back closure is made of grey cast iron. It's manufactured for PN 6 and PN 16, and for maximal temperatures up to 120 °C as a closing element for non-aggressive fluids. This valve can be used as a closing or discharging element in case enhanced closing tightness, increased seal tightness, and reduced valve maintenance is required. The valve suitable for rough control, and it can be used in compliance with valid standards and regulations observing given parameters. Thermal and pressure shocks must be eliminated.