液体介质压力表安装在管道什么位置

2025-04-07 19:03:46
推荐回答(1个)
回答(1):

安徽华润仪表来回答您的问题。

为保证测量准确,取压点须有代表性。如应选择在流速平稳的直线管段上,不要在管道的弯曲,死角处;取压管一般不得伸入设备和管道内。对取压点安装位置还有 一定的要求,以水平或倾斜管道为例:一,当介质为气体时.在管道的上半。二、介质为蒸汽时,在管道上半与水平中心线成0-45度的夹角范围内,最好在 管道水平中心线上。三、介质为液体时,在管道下半与水平中心线成0—45度夹角范围内。如由于条件限制时,可根据实际情况选择比较合理的位置。

压力表与取压点的距离应尽量短些。为避免测量滞后,导压管最长不应超过50米,如太长时可考虑便用远传压力表,对于易结晶,堵塞的介质应装活接头,以便将来拆卸吹堵。
安装低压压力表时,应尽量避免液柱造成的静压力对仪表测量的影响。对于关键设备的压力测量,可分别装置两只压力表,以防意外。
为了保证压力测量的可靠性和生产安全,除定期维护检查外,一定要按规定的期限检定压力表。

希望我的回答对您有帮助!

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