Part Number K-20-3 4-15-75PSI having (CAGE Code 71342) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for K-20-3 4-15-75PSI Valve Safety Relief by Imi Cash Valve 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.