Part Number 8542-009-257-S 3IN having (CAGE Code 57574) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 8542-009-257-S 3IN Seat Valve by Velan Valve Corp. 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.