Check valve with spring Z16

Product description:
The valve can be used as a self-acting back closure. At the valve with regard to its function in cannot be guaranteed a tightness as at a classical check valve and therefore it's necessary in the case of a tightness requirement to incorporate the shut-off valve into the piping. The valve can be used according to valid standards and regulations for given parameters. As the working substance there can be water, water steam, air, non-aggressive liquids and gases.