设备型号: 成 色: 全新 产品数量: brr比例阀是专为提供的空气燃气比例而设计的。brr能够根据接入阀门隔膜下腔的控制压力自动调节阀门输出燃气的压力。大面积隔膜设计和平衡技术大程度减少了比例阀在小流量的误差。 阀门口径3/4”至4”, 调节比可达20:1, 大工作压力5psi, 控制精度0.1”wc(小流量)0.3”wc(大流量),小压降为10”wc,大压降为4psi,工作温度大可达150度。适应所有可燃气体,特殊气体或含有腐蚀性成分的,需要提供燃气成分分析报告。 brr - balanced ratio regulators are designed to provide accurate air/fuel ratio control of cross-connected combustion systems. the delivery pressure of the brr will match that of the cross-connected signal being applied to the upper diaphragm chamber, as long as the minimum differential is maintained. a turndown ratio of 20to 1 is possible with the brr. the balanced ratio series features large main diaphragms, a balancing diaphragm
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