本產品內腔及球體均采用高壓注塑工藝，襯有耐腐蝕、耐老化的F46或PTFE。故具有可靠的 耐腐蝕性和密封性。能廣泛用于化工、石油、冶金、醫藥、電力等工業控制系統。對酸、堿等強 腐蝕性介質均能很好地應用。
The inner cavity and sphere of the product adopt high pressure injection molding process, and is lined with corrosion resistant, aging resistant F46 or PTFE. So it has reliable corrosion resistance and sealing. It can be widely used in the industrial control system such as chemical industry, petroleum, metallurgy, medicine, electrical power, etc. Strong corrosive medium such as acid, alkali can be well applied.