當石油開始流從年底，膠管，關閉排氣閥，刪除膠管，然后收緊流血閥。

When oil begins to flow from end of hose, close bleed valve, remove hose, then tighten bleedvalve.

美國紅閥系列中的膠管閥采用專利的彈性套管設計，以其精確的、 重復性高的控制特點，廣泛應用在腐蝕性化學品、 石灰、 礦物泥漿等生產領域。

American Red Valve's Roller Pinch Valve which has patented sleeve, is widely used in corrosivechemicals, lime, mining slurry with precise, repeatable control.

電接點、磁翻板、光控液位控制器、濾清器、充氮車、充氣工具、截止閥、高壓膠管總成。

Electric contacts, magnetic turnover plate, photo-control liquid level controllers, accumulators, Nitrogen-filling vehicle, gas-filling tools, stop valves and high-pressure rubber tube assembly.