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- normally close valve 常关阀
- normal close valve 常闭阀,常关阀
- Close valve completely before installation. 安装前要完全关闭阀门。
- The VMR type valve is a fast opening solenoid valve that is normally closed. 一种快开快闭的燃气安全阀，是常闭型的电磁阀, 在断开的状态下弹簧作用在阀芯上以阻止气体的通过。
- TYPE WS：Forged Brass Body,Normally Close,For Steam.High Temp.Fluids etc. 型号WS：锻铜阀体，通电阀型，适用于蒸气、高温流体等。
- normally closed valve 常闭阀
- Equipped with hydraulic check feature to close valve on pressure reversal. 配置液压止回阀来阻止阀门的压力逆向。
- Close valves at both inlet and outlet ends. 进、出水端阀门关上。
- Normally closed position, opens when pressure reaches set-point. 通常处于关闭位置,当压力达到设置点时开启。
- Support Door Emergency Alarm Input to setup as "Normally Close"(NC) or "Normally Open"(NO) connection. Default is set as NO. 支持门的报警点输入有”常开”和”常闭”的设置.;默认设置为”常开”
- If cylinder does subcool, close valve and allow cylinder to warm up.DONOT APPLY HEAT! 如果钢瓶没有过冷，关闭阀门让钢瓶升温。
- Equipped with mechanical lift check feature to close valve the moment flow stops, preventing reverse flow. 配置机械提升式止回阀，当阀门出现流量停止时关闭阀门，防止倒流。
- Close valve C. Open valve A, then open valve B 1.2 turn, loosen hose at test cock #4 to remove air. Retighten hose. 关闭阀门C。开启阀门A，然后将阀门B开启1.;2圈，松开测试旋塞4号上的软管排出空气。重新紧固软管。
- Rollover debits or credits will be reflected in the Customer's Account at a time after the normal close of the business day for SNC. 滚转的借记或信贷将在正常交易日关闭后一段时间内反映在客户的帐户上。
- Rollover debits or credits will be reflected in the Customer's Account at a time after the normal close of the business day for TSG. 滚转的借记或信贷将在正常交易日关闭后一段时间内反映在客户的帐户上。
- The DG453 and DG456 each have two normally closed and two normally open switches. DG453与DG456均具有两个在正常情况下为闭合状态的开关,以及两个在正常情况下为断开状态的开关。
- The first floor of the normally closed pagoda will be especially opened to the public during this period. 这次也将对平常不公开的塔的一楼部分进行开放。
- The PV20CB is a normally closed, diaphragm actuated, spring loaded, direct acting regulator. PV20CB是一种通常处于关闭状态，隔膜驱动，弹簧负载，直接作用的调节阀。
- Close valve fully three times for three seconds and record highest pressure indicated each timAll three readings must be above pump relief pressure specifications and within 345 kPa (50 psi) of each other. 紧闭阀门三次，并记录每次的最高压力。三次读数均需高于油泵释压规格，且读数间的差异不得高于345千帕(50 psi)。
- The structure of closed valve bonnet influences the perfor-mance of sucker rod pumps. 闭式阀罩是影响抽油泵使用性能的零件。
