Part Number D 20028 A DN250 ITEM 8 having (CAGE Code H6590) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for D 20028 A DN250 ITEM 8 Stem Fluid Valve by Wouter Witzel Ltd. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.