No relief valve is required where two pressure reducing valves are installed.
如果装上两个减压阀，就不需要安全阀。
All of these are normally closed valves, except for reducing valves, which are normally open.
所有这些都是正常关闭阀，除减少阀门，一般开。
Analyze the relationship between flow, pressure, pressure differential and valve opening of pressure reducing valves.
分析了减压阀的流量、压力、压力差和阀门开度的关系。
Building valves - water pressure reducing valves and combination water pressure reducing valves - Requirements and tests.
建筑阀门。供水减压阀和复合供水减压阀。要求和试验。
Hydraulic fluid power -pressure reducing valves, sequence valves, unloading valves, throttle valves and check valves - Mounting surfaces.
液压传动。减压阀、顺序阀、卸荷阀、节流阀和止回阀。安装面。
Hydraulic fluid power - Pressure reducing valves, sequence valves, unloading valves, throttle valves and check valves - Mounting surfaces.
液压传动。减压阀、顺序阀、卸荷阀、节流阀和止回阀。安装面。
Hydraulic fluid power - Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves - Mounting surfaces.
液压传动。减压阀、顺序阀、卸荷阀、节流阀和止回阀。装配面。
Hydraulic fluid power - Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves - Mounting surfaces.
液压传动。减压阀、顺序阀、卸载阀、节流阀和止回阀。装配面。
Series 2300 Direct Operated Water Pressure Reducing Valves are designed for dead-end water service where the flow is intermittent and changes rapidly, as on domestic water system.
系列2300直接操作水减压阀适用于室内水系统流量有间歇性变化和变化迅速的终端水应用场合。
Series F127W Flanged High Capacity water pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption.
系列F127 W法兰高性能水减压阀适用于以可观的幅度降低输入水压，以保护管道系统部件，降低水消耗。
Valves for reducing point of discharge temperature by mixing cold and hot water in branch water lines are available.
这种阀门能够通过调节冷热水的混合比例来降低排放出的热水的温度。
Objective To explore the effect of Roy adaptation model in reducing the perioperative anxiety of patients undergoing cardiac valves replacement for rheumatic cardiopathy.
目的探讨罗伊适应模式在减轻风心瓣膜置换患者围手术期焦虑中的作用。
Pressure control valve with pressure reducing valve, safety valve and the sequence of three kinds of valves.
压力控制阀有减压阀、安全阀和顺序阀三种。
These products include Dust and Fire suppression systems, Flow and pressure monitoring both Machanical and Electronic, pressure reducing and relief valves, Filtration systems.
公司产品涉及降尘和灭火系统、流量和压力监测(机械式和电子)、减压和泄压阀、过滤系统。
Designs of thermal shield, superconducting busbar, current leads, valves and cooling pipes, and outer box of CTB are detailed described from reducing heat load point of view. They provide...
本文从降低热负荷的角度对CTB内部冷屏、超导电流传输线、电流引线、阀及冷却管路、外部盒体的设计进行了详细阐述，为最终结构的确定提供了理论依据。
The characteristics of closing check valves with hanged reducing water - hammer, and the effects of fluid transient during power cut are studied in this paper.
本文详细研究了悬挂式缓闭减水锤止回阀在事故停泵期间的特性以及由停泵所引起的流体瞬变效应与阀的减水锤效果。
The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.
目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。
Special control valves including: temperature and pressure reducing control valves, automatic recycle control valve, minimum flow control valves, etc.
特种控制阀有：减温减压调节阀、自动再循环控制阀、最小流量控制阀等。
Valves for reducing point of discharge temperature by mixing cold and hot water in branch water lines are available.
你不能在浴室里使用冷热水调节——那也依赖现代科技。
Valves for reducing point of discharge temperature by mixing cold and hot water in branch water lines are available.
你不能在浴室里使用冷热水调节——那也依赖现代科技。
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