Threaded

Milwaukee Valve 509-12 Horizontal Swing Check Valve, 1/2 in Nominal, Thread End Style, 200 lb WOG, Bronze Body, Domestic

United 50T - 1/2 Spring-Loaded Lift Check Valve, 1/2 in Nominal, Thread End Style, 400 lb WOG/200 lb WSP, Bronze Body

Milwaukee Valve 510T-12 Horizontal Swing Check Valve, 1/2 in Nominal, Thread End Style, 300 lb WOG, Bronze Body, Domestic

Milwaukee Valve 515Y-12 Horizontal Y-Pattern Swing Check Valve, 1/2 in Nominal, Thread End Style, 300 lb WOG, Bronze Body, Domestic

Apollo™ 6110101 61-100 In-Line Check Valve, 1/4 in Nominal, FNPT End Style, 0.85 gpm Flow Rate, Bronze Body, Domestic