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持压泄压阀安装与维护
时间:2011-05-03 11:08 作者:普惠机电 点击:次
持压泄压阀安装与维护
1.持压泄压阀主阀应水平安装,与阀体表面水流箭头一致.
持压泄压阀安装与维护
1.持压泄压阀主阀应水平安装,与阀体表面水流箭头一致.
2.适用介质温度：0-80度
3.导阀出厂设定压力值不适合现场要求,可做如下调整:先松开导阀手轮下的锁紧螺母,然后顺时针拧动导阀手轮为增加压力,反之为降低压力,调好后锁好锁紧螺母.
4.通水前必须彻底冲洗管路系统,并在持压泄压阀主阀体前安装过滤器及压力力表.
5.针阀手轮顺时针拧到底后,逆时针旋转1/4圈-1/2圈.
持压泄压阀:压阀主要是保证主阀上游最低供水压力,适用于维护城市干管最低(灭火)供水太力,防止支管用户过度抽水.泄压阀主要安装于泄水旁路,可保证主阀上游于导阀设定安全值以下,防止管路高压或突然高压对管路及设备的损坏.
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