本廠生產(chǎn)的H41x，HC41x(B型)，H41x-16T型消聲止回閥。適用于給、排水管道，閥瓣采用進(jìn)出口兩端中心軸導(dǎo)向，啟閉靈活，可水平定裝或垂直安裝。閥瓣采用彈簧加載，其快速關(guān)閉能有效地減小水錘壓力，密封性能好，關(guān)閉無噪聲。它具有體積小、重量輕、流體阻力小、耐疲勞、壽命長(zhǎng)等優(yōu)點(diǎn)。
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