Description: required NPSH to give the operating performance; Name: Net positive suction head (req)
Description: minimum NPSH-value at the pump inlet connection required to give the rated or operating performance at the specified conditions; Name: Net positive suction head required
Description: additional information for the product name of the sealing to be able to distinguish - for a product family or for special design (variants) - the products from each other; Name: Type description of the sealing