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- internal pipe size 管的内径
- Needle valves have NPS / internal pipe threaded ends. 针形阀配置NPS内管螺纹连接端口。
- Must not be smaller than the pipe size of the relief valve. 不能小于安全阀通径。
- Maximum pipe size that may be tapped in valve wall without adding special bosses. 无需增加特殊的轮毂即可以在阀门壳壁上开孔的最大管道尺寸。
- Aluminum pipe precise forming technology makes the ultrasonic welded Aluminum pipe size precise and roundness good. 铝管精密成型技术,使超声波焊接的铝管尺寸精确、圆度好。
- Grooved butterfly valves direct connect to pipe using iron pipe size couplings. Grooved valves are easiest to install. 管状蝶阀:采用铸铁管接头直接与管道连接。管状阀门安装最容易。
- For the stop-check this is not correct. In many boiler installations a valve smaller than pipe size could and should be selected. 可是,用这种方法选择自动阻断止回角阀就可能产生错误。对于许多锅炉管道系统中,可能甚至应该选择公称通径小于管道直径的自动阻断止回角阀。
- In-line dynamic mixers are engineered to suit the application (ie. throughput, pipe size, etc.). 管道动力混合器适合于工程配置的应用（如，产量，管道尺寸等）。
- Refer to the paddle length selection table below for correct paddle length in relation to the pipe size being used. 参阅下列开关叶片选型表，选择与所使用的管道口径相匹配的开关叶片长度。
- In many boiler installations, a valve smaller than pipe size could and should be selected. 在许多锅炉安装场合，阀门通径可能甚至应该比管道直径小。
- For the internal pipe wall claded with electrostatic spray-on process, the various anti-corrosion indexes have reaches the design requirements, the impact strength is not less than 4. 9 J; the breakdown valtage of the clad is not less than 30 kV/mm. 经静电喷涂的钢管管壁;内外防腐的各项指标均达到设计要求;抗冲击强度不小于4.;9J;覆盖层耐击穿电压不小于30kV/mm。
- With cooling water flowing through the internal pipes,much of the heat in the condensing unit is carried away. 当冷却水流经内部管道时，冷凝器中的许多热量被带走。
- Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line. 不能小于安全阀的管道口径,也不能在排泄管上安装任何缩径管接头。
- H560G protects your tank and internal piping by shutting off automatically when water pressure reaches the setting. 当水压达到设置值时，H560G通过自动关闭来保护用户的容器和内部管道。
- Actual inside diameters in millimetres shall be identical to those corresponding to schedule identification for the nominal pipe size (NPS) in inches. 以毫米为单位的实际内径应与那些英寸为单位的与壁厚识别相应的公称管道尺寸相同。
- With cooling water flowing through the internal pipes, much of the heat in the condensing unit is carried away. 当冷却水流经内部管道时，冷凝器中的许多热量被带走。
- Actual outside diameters in millimetres for pipe are identical to those corresponding to the nominal pipe size (NPS) in inches. 以毫米为单位的管道的实际外径与那些以英寸为单位的相应的公称管道尺寸相同。
- Standard (conventional) port balls are up to one pipe size smaller than nominal pipe size, but still have significantly better flow than globe valves. 标准(常规)流道球阀用于管道直径比管道公称通径小的管道,但是其流通能力仍然比截止阀好得多。
- The 995 can be used in a variety of installations, including health hazard cross-connections in internal piping systems and for containment at the service line entrance. 995系列可以用于各种安装，包括用于封堵接户管线进口的内部管线系统中的健康危害交叉连接。
- Full Size Orifice - Series 288A has a full-size orifice to assure pipe size capacity. Water passages are streamlined to provide high water flow with minimal pressure loss. 全通径管口-系列288A具有全通径管口，确保管道通径的性能。水路都是流线型的，水流顺畅，压降最小。
