1/2" 3/4" 1" 2" 3" 4" Brass Horizontal Check Valve All Copper Female Thread Check Valve ,Long-Time Use

Size: 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" Nominal pressure: 1.6Mpa Applicable temperature: -10T120 Connection method: thread Working medium: Water, Oil, Non corrosive liquid, Non flammable gas