黃銅(tong)(tong)(tong)截(jie)(jie)止(zhi)閥(fa)的(de)啟(qi)閉(bi)(bi)件(jian)是(shi)塞形的(de)閥(fa)瓣，密(mi)封面(mian)呈平面(mian)或錐(zhui)面(mian)，閥(fa)瓣沿流體(ti)(ti)的(de)中(zhong)心線(xian)作直(zhi)線(xian)運動。閥(fa)桿的(de)運動形式(shi)，有升降(jiang)(jiang)(jiang)桿式(shi)（閥(fa)桿升降(jiang)(jiang)(jiang)，手輪(lun)不升降(jiang)(jiang)(jiang)），也有升降(jiang)(jiang)(jiang)旋轉(zhuan)桿式(shi)（手輪(lun)與(yu)閥(fa)桿一(yi)起旋轉(zhuan)升降(jiang)(jiang)(jiang)，螺(luo)母設(she)在閥(fa)體(ti)(ti)上）。黃銅(tong)(tong)(tong)截(jie)(jie)止(zhi)閥(fa)主體(ti)(ti)材料有錫青銅(tong)(tong)(tong)C83600，鋁青銅(tong)(tong)(tong)C95800和鎳鋁青銅(tong)(tong)(tong)C95500等，填料及(ji)閥(fa)座密(mi)封采用(yong)聚四氟乙烯和氟橡膠，內螺(luo)紋制造標準有G螺(luo)紋、BSP螺(luo)紋和NPT螺(luo)紋。適用(yong)介質：適用(yong)于(yu)淡水、海水、燃(ran)油和t≤120℃的(de)蒸汽。全銅(tong)(tong)(tong)法蘭(lan)截(jie)(jie)止(zhi)閥(fa)是(shi)利用(yong)閥(fa)瓣控制啟(qi)閉(bi)(bi)的(de)閥(fa)門,是(shi)使(shi)用(yong)廣泛的(de)一(yi)種(zhong)青銅(tong)(tong)(tong)閥(fa)門之(zhi)一(yi)，銅(tong)(tong)(tong)截(jie)(jie)止(zhi)閥(fa)擁有開閉(bi)(bi)過(guo)程(cheng)中(zhong)密(mi)封面(mian)之(zhi)間(jian)摩(mo)擦力小，比較耐(nai)用(yong)，開啟(qi)高度不大(da)，制造容(rong)易(yi)，維(wei)修方便等優點，不僅適用(yong)于(yu)中(zhong)低壓，而且適用(yong)于(yu)高壓。