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Stainless steel bottom valve
Product Name:
Stainless steel bottom valve
Description:
型号:H12W、H42W
口径:DN50-DN400
压力:2.5MPa
材质:不锈钢

一、底概述:                      
安装在水泵吸水管路的底端,能自动阻止流体倒流。
二、性能与用途:
该阀是一种节约能源的,一般安装在水泵水下吸管的底端.限制水泵管内液体返回水源,起着只进不出的功能.阀盖上有很多个进水品和加强筋,起到了不易堵塞,主要应用在抽水的管路上.水道和支承的作用.口径有单瓣,双瓣,多瓣型.有法兰连接和螺纹连接。
三、结构与原理:
本阀由阀估,阀瓣,阀盖,衬套,密封圈等零件组成,详见下图水源的水从阀盖进入阀体.在流体的压力作用下,阀瓣打开水,当示停后出口管内的压力将阀瓣迅速关闭,液体将不会倒回水源,起到了即畅通抽水又节约水能损失的作用.
四、性能参数:

  • 工作压力0.25Mpa,0.6Mpa
  • 口径:25-1200mm
  • 工作介质为常温下的水,液体
  • 单瓣H42,双瓣H42, 多瓣H45 

    五、不锈钢底阀主要技术参数:

    型号 公称压力 试验压力 工作温度 适用介质
    强度 密封
    H42W-2.5
    H12W-2.5
    0.25 0.4 0.28 ≤100 水、酸、碱
    六、主要连接尺寸参数:  
                       (图1:结构示意图)

    型号 公称压力
    DN(mm)
    尺寸(mm) 重量kg
    D D1 D2 b-f Z-фd D0 H0 h
    H42W-2.5 50 140 110 90 16-3 4-14 132 17 135 3.6
    65 160 130 110 16-3 4-14 167 25 175 6
    80 165 150 125 18-3 4-18 196 32 190 8
    100 205 170 145 18-3 4-18 243 40 225 13.5
    125 235 200 175 20-3 8-18 274 43 270 18
    150 260 225 200 20-3 8-18 311 58 303 23.5
    200 315 280 255 22-2 8-18 402 65 380 45
    250 370 335 310 24-3 12-18 458 84 500 75
    300 435 395 362 24-4 12-23 515 90 540 110
    350 485 445 412 26-4 12-23 600 130 600 164
    400 535 495 462 28-4 16-23 650 160 710 200
    订货须知:
    1、①不锈钢法兰底产品名称与型号②不锈钢底阀径③不锈钢底是否带附件以便我们的为您正确选型。
    2
    、若已经由设计单位选定北泽阀门公司不锈钢底阀型号,请按不锈钢底型号直接向我司销售部订购。
    3
    、当使用的场合非常重要或环境比较复杂时,请您尽量提供设计图纸和详细参数,由我们的北泽阀门公司专家为您审核把关。


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