帶手動氣動閘閥-浙江博科閥門科技有限公司_hot电竞

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    帶手動氣動閘閥

    帶手動氣動閘閥
    在線提交訂單

    帶手動氣動閘閥主要性能參數
    公稱壓力:1.6,2.5.4.0.6.4MPa
    使用溫度:-29~425℃(碳鋼)-40~+550℃(不鏽鋼)
    公稱通徑:DN50~800mm
    閥體材質:304.306.316L.WCB.HT200
    連接法蘭:JB/T79.GB913.HG20592
    适用介質:空氣、水、蒸汽、油及硝酸、醋酸等腐蝕性流體
    作用方式:切斷型,調節型,手動控制
    電源電壓:220VAC、24VAC
    輸入信号:4~20mA/1~5VDC
    0~20mA/0~10VDC

    帶手動氣動閘閥結構特點
    1、 氣動帶手動閘閥主要由閥體、閥蓋、閘闆、閥杆、密封圈、雙層氣缸及其活塞、活塞杆、隔闆連同緩沖機構、手動機構、氣動-手動轉換裝置和閥蓋填料裝置等部分組成。
    2、上活塞行至行程上端可頂上上回訊器,使之發訊;下活塞行之行程下端可頂下下回訊器,使之發訊,以作為閘閥開閉信息在中央操作室的模拟儀表盤上進行顯示。
    3、手輪上部的外伸指示杆的上升和下降,标志着該閥的閘闆是處于提升狀态還是下降狀态。閘閥關閉時,外伸指示杆位于最低位置;反之,閘閥全開時,外伸指示杆位于最高位置。此即為本閥啟閉狀态的現場指示。
    4、氣缸蓋上部裝有氣動-手動轉換裝置。将轉換手柄順時針方向提轉到“氣動”定位孔定位,閘閥處于氣動操作狀态;反之,将轉換手柄逆時針方向提轉到“手動”定于孔處定位,氣動閘閥即可進行手動操作。帶錐齒輪的手柄轉換方向相反。手動操作閘閥時,手輪旋向和普通手動閥一樣,即順時針轉為關,逆時針轉為開。帶錐齒輪轉動的相反。
     主要零件材質:

    閥體、閥蓋、閥闆 鑄鋼、不鏽鋼
    閥體及閘闆的密封面 合金鋼
    閥杆 不鏽鋼
    雙頭螺栓 35号鋼
    氣缸 20号無縫鋼管
    活塞 鑄鋁合金
    手動螺母 青銅
    密封圈 石棉橡膠闆
    纏繞式金屬石墨墊片
    活塞環及軸環 耐油橡膠○型圈
    填料函 石墨石棉繩

     主要連接尺寸和外形尺寸

    DN D D1 D2 b f L H Ds D0 Z-d 氣源接頭
    50 160 125 100 16 3 250 865 160 250 4-18 M12×1.25
    80 195 160 135 20 3 280 1100 160 300 8-18
    100 215 180 155 20 3 300 1200 160 350 8-18
    150 280 240 210 24 3 350 1380 219 400 8-23
    200 335 295 265 26 3 400 1580 273 400 12-23
    250 405 355 320 30 3 450 1710 273 400 12-25 M20×1.5
    300 460 410 375 30 4 500 1880 325 500 12-25
    350 520 470 435 34 4 550 2180 426 500 16-25
    400 580 525 485 36 4 600 2325 459 550 16-30
    450 640 585 545 40 4 650 2570 500 550 20-30
    500 705 650 608 44 4 700 2800 600 600 20-34 M24×1.5
    600 840 770 718 48 5 800 3010 600 600 20-41 M27×1.5

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