它必须安装在公称压力不超过这个额定压力的管道系统中。
It must be installed in a piping system, where the normal pressure does not exceed this rating.
水压装置。排气阀。排气螺栓。排水螺栓。公称压力100至630。
Pressure water installation; air discharge valve, air discharge screw, water discharge screw, nomial pressure 100 up to 630
文章分析了精锻工艺的可行性，介绍了高能螺旋压力机公称压力值的计算方法。
The paper analysis the forging craft of rocker shaft bed part, introduce the computing technology of high energy screw press apparent pressure value.
公司主要生产“远东”牌开式、闭式中小型压力机，公称压力从63kn到6300kn，目前产品有十一个系列六十多个品种。
We mainly produce "Far East" brand and "aotu" brand opened-type and closed-type small and medium-size presses of nominal pressures from 6300kn.
J 41 n型PN 40钢制截止阀：手动、法兰连接、直通式、阀座密封面材料为尼龙塑料、公称压力pn 40、阀体材料为碳素钢的截止阀。
J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.
J 41 n型PN 40钢制截止阀：手动、法兰连接、直通式、阀座密封面材料为尼龙塑料、公称压力pn 40、阀体材料为碳素钢的截止阀。
J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.
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