Part Number HL61 .50IN. 600 having (CAGE Code 07971) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for HL61 .50IN. 600 Valve Check by Bonney Forge 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.