水阻力 ressure Drop 进出管径 Pipe Size 保护装置 Safety Device 高低压开关,防冻开关,可熔栓,过载保护装置,线圈过热保护器,温度自动开关,逆相保护器。
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nominal pipe size 公称管径 ; 标称管径 ; 公称尺寸
iron pipe size 铁管尺寸
economic pipe size 经济管径
inlet pipe size 进口管径
outlet pipe size 出口管径
internal pipe size 管子内径
Condensation Pipe Size 凝结水管径
economical pipe size 经济管径
NPS Nominal Pipe Size 标定管道尺寸 ; 公称管径
It is often incorrectly called National pipe Size, due to confusion with National pipe thread.
通常被错误地称为国家标准尺寸,以免与国家标准螺纹尺寸相混淆。
The shape of the curve would vary with liquid velocity, viscosity, pipe size, and pipe surface roughness.
曲线形状随液体速度、粘度、管子直径和管壁粗糙度而变化。
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。
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