璟麥閥門機械(上海)有限公司_亚搏电竞

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液流顯示器 流量顯示器 流量顯示儀 指針式流量顯示器 機械式流量指示器 機械式帶刻度指針流量計    EXQ41W-16P

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詳細介紹

流量顯示儀(屬儀表閥門類)主要作用是觀察管道内介質流動情況及計量流量的必要附件。廣泛用于冶金鋼鐵高爐冷卻管路系統、潤滑系統、供燃料系統、化工、化纖、醫藥、食品、電站、泵設備等工業生産裝置中,能随時觀察液體、氣體、蒸汽等介質的流動反應情況及流量大小,是保障正常生産不可缺少的附件。

流量顯示儀主要連接方式:螺紋式、焊接式、法蘭式。

二、流量顯示儀工作原理

通過視窗玻璃前提下目視指針擺動角度與視窗刻度相吻合從而判斷介質是否流動或流速快慢、流量大小情況,從而達到管路及設備是否正常運行。

三、流量顯示儀基礎知識

液流顯示器(屬儀表類閥門),經過長期的觀察、摸索和思考在電子流量計基礎上進行性能改良技術創新無須在閥體上安裝電子儀器的一種新型計量類産品。


四、流量顯示儀結構組件

由閥體、玻璃視窗、指針、緊固帽、密封圈、彈簧六大元件組成。

閥體:碳鋼或不鏽鋼鑄造

玻璃:鈣納玻璃;鋼化玻璃;硼矽玻璃;石英玻璃

指針:金屬材質

彈簧:特殊金屬材質

緊固帽:螺紋并帽;法蘭片

密封圈:丁晴橡膠墊片聚四氟乙烯墊片 氟橡膠 金屬墊片 石墨墊片

五、流量顯示儀設計與特點

閥體設計符合儀表閥門制造工藝,外形美觀精密高,抗壓能力更強。制造工藝數控化,質量更可靠。多元化連接方式适應行業标準更廣。安裝方式垂直或水平雙用,拆卸更便捷。雙視窗結構觀察更便利。視窗易拆卸,維護及保養一體化設計更合理。

六、流量顯示儀設計特點:

1、流量顯示儀無須在閥體上安裝電子儀器,利用指針與視窗刻度相結合情況下以機械式運行模式進行計量,克服了電子流量計需要電源啟動電子儀器達到計量流量效果,且無法在高溫高壓惡劣情況下進行作業的曆史性難題。

2、流量顯示儀無須電源啟動由介質流動沖擊力使指針機械式作業,且耐高溫高壓廣泛用于高爐冷卻系統、潤滑系統、供燃料系統、化工、化纖、醫藥、食品、電站、泵設備、石化工業等領域。

3、流量顯示儀的指針在一定壓差下流量滿足彈簧需求時處于常開狀态,一旦流量不足自動複位使介質不産生倒流現象從而實現逆止作用。

七、流量顯示儀技術參數及明細參數分類

螺紋式:DN10-DN100

焊接式:DN10-DN100

法蘭式:DN15-DN300(1/2-12)

壓力等級:0.6/1.0/1.6/2.5/4.0MPA (150LB-300LB)

玻璃耐壓:鋼化硼矽玻璃片≤2.5MPa 石英玻璃片≤10.0MPa


八、流量顯示儀主要材質參數

閥體材質:碳鋼(WCB);不鏽鋼(304/316/304L/316L);雙相鋼

視窗材質:鈣鈉玻璃;鋼化硼矽玻璃;石英玻璃

玻璃耐溫:鋼化硼矽玻璃:≤200℃,石英玻璃:1000℃允許急變溫度≤60

密封墊片:丁晴橡膠墊片;聚四氟乙烯墊片;金屬墊片;金屬石墨墊片

螺帽螺栓:20# 304 304L 316 316L

密封面:突面(RF)平面(FF)凹凸面(MFM)榫槽面(TG

法蘭标準:HG GB HGJ JB ANSI JIS DIN BS NF

制造檢測标準:HGJ501-502-86

螺紋标準:G R RC NPT PT BSP

九、流量顯示儀閥體外表處理:碳鋼防腐油漆或發黑不鏽鋼酸洗處理或抛光。

十、流量顯示儀外形尺寸圖



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璟麥閥門機械(上海)有限公司

電話:021 5269 9613

手機:13671829355

郵箱:13671829355@163.com

地址:上海市寶山區金石路1688号



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