作者姓名: 管理員

若選錯閥門，您將付出雙重代價：一次是在購買時，另一次則是每次維修人員必須將其從管線中切除時。在這個決策過程中，最關鍵——卻也最常被忽略——的考量之一，便是閥門的結構。三種常見的球閥閥體類型（一體式、兩件式

手動、氣動及電動球閥可共用相同的閥體、相同的閥座以及相同的流體工況。差異並不在閥體內部，而在於由誰或何種力量驅動球體旋轉、旋轉頻率為何，以及當氣源或電源中斷時系統應如何應對。選型

A vacuum ball valve is a quarter-turn ball valve built to hold a seal when the pressure inside the line is far below atmospheric. One 90° turn isolates a pump, a foreline or a gauge, and in the open position the full bore leaves the gas path almost untouched. It is a sound choice for

A pneumatic actuator ball valve (often listed as a pneumatic actuated ball valve) is specified by seven decisions: the valve series and size, the end connection, double acting or spring return, the fail position, the solenoid valve and its coil voltage, the temperature, and the air supply. The two charts below cover our own valve

A 3 piece ball valve manufacturer is easy to find and hard to check. Most quotes arrive with a photo, a size, a grade and a price, and nothing on that page tells you whether the factory behind it makes the valve, tests it, or can show you what is inside. This guide is the