The valve has double sealing device,besidespacking stainless bellows can be used as sealing element,The valve can be suitable to industrialpipeline of easily bursting,he***y o***osis,rsdioactivity media and of strictuy demandingfor sealing.
主要零件材料Material for main parts
主要外形尺寸和连接尺寸Main external and connecting dimensi***
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