作者: Joe D Hutto , Alfons Knapp , Robert Douglas Roland
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摘要: A faucet valve 10 includes a ball 28 seated in chamber 18. The has plurality of apertures 46 circumferentially spaced about the control stem 32 which extends through an opening 60 cap assembly 48 housing 16. check 66 is formed within hollow interior 62 and disc section 70 that mounts flap 78. shield by cylindrical wall 80 downwardly depending from snap ring 84 fitted on lower end protects undue water turbulence. Negative pressure supply inlet opens 78 to draw air passageway 64 auxiliary