簡介
隔膜式系列壓力表（配接化學密封），是由一個不同類型的通用壓力表與一個隔膜隔離體配接而成的。在通用型壓力表與隔膜隔離體之間還可以配接具有特定要求的連接體。通過這種配接，使一般通用型的壓力表，增加了對特殊腐蝕要求、溫度高、粘度大或含有固態浮游物、易凝固介質壓力的測量性能。隔膜式壓力表（配接化學密封）在石油化工、制堿、化纖、制藥、鋼鐵、食品等行業測量流體介質壓力時被廣泛使用。
Brief
Series YTP diaphragm pressure gauge (chemical seals) is composed of a conventional pressure measuring instrument, a connector and a diaphragm seal. This combination enables a general purpose pressure gauge to measure media of strong corrosion, high temperature, high viscosity, containing suspended matter or crystallizing. Diaphragm gauges are universally used in petrochemical, alkali, chemical fiber, pharmaceutical,metallurgical, and food industries.
結構原理
配接化學密封系列壓力表的工作原理如圖所示。隔離膜片在被測介質壓力P的作用下產生變形，壓縮內部充填的工作液形成一個相當于 P的壓力 P’。經工作液的傳導，使壓力儀表中的彈性元件自由端產生相應的變形，并按與之相配接的類別壓力儀表工作原理顯示出被測的壓力值。
Configuration Principle
This illustration shows the operating principle of the diaphragm pressure gauge.The diaphragm is deflected by the pressure of me-dium P, and an equivalent pressure P’ is generated.With transmitting through working fluid, the pressure
P’ deflect the elastic element of a pressure measur-ing instrument which thereafter shows the pressure value.
