特点：1.结构简单，性能可靠，维护方便，设备投资小。节能效果明显。                                        2.调节性好并设有开度指标。接入仪表，可将阀门调节到所需的流                                                         3.安装了该阀的管路可不必再设维修用截止阀。                                                                                               4.螺纹连接的有铸铁和黄铜两种阀体供选择。                                                                                                  浙江东一阀门有限公司 /67351268