Part Number M3FK50L having (CAGE Code 0LT58) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for M3FK50L Valve Regulating Fl by Staefa Control System 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.