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公开(公告)号：US20110073199A1
公开(公告)日：2011-03-31
申请号：US12568904
申请日：2009-09-29
CPC分类号： F16K24/06 , F16K15/063 , Y10T29/49412 , Y10T137/6086 , Y10T137/7897 , Y10T137/8359
摘要： A vacuum relief valve is provided. The vacuum relief valve includes a body having a side wall, and a stem that is movable with respect to the body between an open position and a closed position. The stem is biased in the closed position. The vacuum relief valve further includes a first sight glass coupled to the body and configured to enable visual inspection of a sealing area of the vacuum relief valve. The sealing area includes at least a portion of said stem.
摘要翻译： 提供真空释放阀。 真空释放阀包括具有侧壁的主体和能够在打开位置和关闭位置之间相对于主体移动的杆。 杆被偏置在关闭位置。 真空释放阀还包括联接到主体并被构造成能够目视检查真空释放阀的密封区域的一次瞄准镜。 密封区域包括所述杆的至少一部分。
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公开(公告)号：US08347911B2
公开(公告)日：2013-01-08
申请号：US12568904
申请日：2009-09-29
CPC分类号： F16K24/06 , F16K15/063 , Y10T29/49412 , Y10T137/6086 , Y10T137/7897 , Y10T137/8359
摘要： A vacuum relief valve is provided. The vacuum relief valve includes a body having a side wall, and a stem that is movable with respect to the body between an open position and a closed position. The stem is biased in the closed position. The vacuum relief valve further includes a first sight glass coupled to the body and configured to enable visual inspection of a sealing area of the vacuum relief valve. The sealing area includes at least a portion of said stem.
摘要翻译： 提供真空释放阀。 真空释放阀包括具有侧壁的主体和能够在打开位置和关闭位置之间相对于主体移动的杆。 杆被偏置在关闭位置。 真空释放阀还包括联接到主体并被构造成能够目视检查真空释放阀的密封区域的一次瞄准镜。 密封区域包括所述杆的至少一部分。
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