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YQYG-224型(xing)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)器是(shi)由黃銅制成(cheng)。兩級(ji)(ji)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)系(xi)‘的(de)(de)構(gou)造基本相似(si)，均由活門(men)頂(ding)(ding)桿(gan)、調壓(ya)(ya)彈(dan)簧、彈(dan)性(xing)薄膜裝(zhuang)置、減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)門(men)等零部(bu)件組成(cheng)。*級(ji)(ji)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)系(xi)統(tong)主要(yao)用(yong)(yong)于將 高壓(ya)(ya)氣(qi)體自動(dong)降為(wei)高壓(ya)(ya)氣(qi)體，降至壓(ya)(ya)力為(wei)實(shi)際(ji)使用(yong)(yong)壓(ya)(ya)力，然后(hou)送入第二級(ji)(ji)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)系(xi)統(tong)。在二級(ji)(ji)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)系(xi)統(tong)，當旋(xuan)擰(ning)調壓(ya)(ya)螺釘時，通過調壓(ya)(ya)彈(dan)簧、彈(dan)性(xing)薄膜裝(zhuang)及活門(men)頂(ding)(ding)桿(gan)， 使減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)活門(men)作不(bu)同程度的(de)(de)開啟和關閉，以用(yong)(yong)來調節*減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)系(xi)統(tong)送入的(de)(de)氧氣(qi)的(de)(de)減(jian)(jian)(jian)(jian)(jian)壓(ya)(ya)程度或(huo)停止供氣(qi)。