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DJ41F-40P低溫截止閥,手動低溫截止閥,長軸低溫截止閥質量
低溫截止閥是指關閉件（閥瓣）沿閥座中心線移動的閥門。根據閥瓣的這種移動形式，閥座通口的變化是與閥瓣行程成正比例關系。由于 		2017-01-05
不銹鋼低溫球閥-法蘭低溫球閥價格（質量標準）
法蘭低溫球閥分為低溫浮動球和低溫固定球兩類,用于截斷或接通管路中的低溫介質,介質最低溫度不得低于-196度 低溫球閥主要適用于 		2017-01-05
手動不銹鋼低溫閘閥-鑄鋼低溫閘閥價格（質量合格）
低溫閘閥的啟閉件是閘板，閘板的運動方向與流體方向相垂直，閘閥只能作全開和全關 , 不能作調節和節流。閘板有兩個密封面, 最常 		2017-01-05
焊接低溫止回閥-鑄鋼低溫止回閥直銷（價格優惠）
低溫止回閥是指依靠介質本身流動而自動開、閉閥瓣，用來防止介質倒流的閥門，又稱逆止閥、單向閥、逆流閥、和背壓閥。止回閥屬于 		2017-01-05
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