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中转站、联合站用于计量油田湿气流量的二次仪表,普通配备的是 CWD—430型双波纹管差压计。这种仪表的记录单元是由墨水、毛细管、笔尖三部分组成。由于记录结构较为复杂,现场使用时存在划线模糊不清、出水不流利、不便维护等问题,因此大部分双波纹管差压计不能充分利用,防碍了油田湿气外输和自耗的计量检测。针对这一问题,采用南京仪表记录笔厂近年生产的 YSB 型仪表塑料记录笔,对双波纹管差压计原记录笔进行了改制试验。
Transfer station, the United Station for the measurement of wet gas flow in the secondary instrument, commonly equipped with a CWD-430 double bellows differential pressure. This instrument recording unit is composed of ink, capillary, nib three parts. Due to the complicated structure of the record, there are problems such as unclear scribing, inconvenient water discharge and inconvenient maintenance during on-site use. Therefore, most double-bellows differential pressure gauges can not make full use of the oil field, hindering the external moisture and gas consumption of the oil field Measurement testing. In response to this problem, using the YSB instrument plastic stylus pen produced by Nanjing Instrument Record Pen Factory in recent years, the original stylus pen of the double bellows differential pressure gauge was reformed.