пластмассовый шарик клапана

SIZE:16, 20, 16-1/2,20-1/2,1/2-1/2 1.The cost is lower by about 50% compared with that of copper/brass valve with same quality and function. 2.Tolerance to freezing and high temperature: its operational temperature -30°C - 150°C; 3.High tolerance to vibration, with standard operational pressure more than 2.0 MPa; 4.Corrosion resistance without fouling for long time use,copper/brass pipe fitting is difficult to avoid the secondary pollution during long time use.its sanitary quality meets standard of GB/T17219-1998; 5.Light and convenient for transportation; 6.Easy, rapid, convenient and safe for installation, without process of tapping; 6.Ceramic valve core prevents leakage effectively.has the capabilities of anti-wear, corrosion-resistant, high-temperature resistant, as well as high hardness, high toughness