Part Number 450500 having (CAGE Code 78570) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 450500 Valve Check by Smiths Tubular Systemslaconia I. 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.