雙由令UPVC塑料三通球閥Q64F-PN16,公稱壓力表示符號PN,公稱通徑表示符號DN,就是各種管子與管路附件的通用口徑。雙由令UPVC塑料三通球閥同一公稱直徑的管子與管路附件均能相互連接,具有互換性。它不是實際意義上的管道外徑或內徑,雖然其數值跟管道內徑較為接近或相等,為了使管子、管件連接尺寸統一,采用公稱直徑,也稱公稱口徑、公稱通徑。UPVC三通球閥在一定溫度下應用時允許的大工作壓力。UPVC三通塑料球閥指70℃以下應用時允許的大工作壓力為16公斤。當工作溫度升高時,UPVC三通球閥,閥體的耐壓會降低。雙由令UPVC塑料三通球閥能使三條正交的管道相互聯通和切斷第三條通道,起分流、合流作用。
雙由令UPVC塑料三通球閥詳細參數:
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