Part Number 8639-14-406 having (CAGE Code 38683) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 8639-14-406 Plate Filter Valve by Dresser Industries Inc. 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.