APK系列角座阀APK21D-32BL大量供应 APK21D-32BL APK21D-32BF APK21D-15CL APK21D-15CF APK21D-15SL APK21D-15SF APK21N-15BL APK21N-15BF APK21D-15CL APK21N-15CF APK21N-15SL APK21D-15SF APK21D-20BL APK21N-20BF APK21D-20CL APK21D-20CF APK21D-20SL APK21D-20SF APK21N-20BL APK21N-20BF APK21N-20CL APK21N-20CF APK21N-20SL APK21N-20SF APK21D-25BL APK21D-25BF APK21D-25CL APK21D-25CF APK21N-25SL APK21D-25SF APK21N-25BL APK21N-25BF APK21N-25CL APK21N-25CF APK21N-25SL APK21N-25SF APK21D-32BL APK21D-32BF APK21D-32CL APK21D-32CF APK21D-32SL APK21D-32SF APK21N-32BL APK21N-32BF APK21N-32CL APK21N-32CF APK21N-32SL APK21N-32SF APK21D-40BL APK21D-40BF APK21D-40CL APK21D-40CF APK21D-40SL APK21D-40SF APK21N-40BL APK21N-40BF APK21N-40CL APK21N-40CF APK21N-40SL APK21N-40SF APK21D-50BL APK21D-50BF APK21D-50CL APK21D-50CF APK21D-50SL APK21D-50SF APK21N-50BL APK21N-50BF APK21N-50CL APK21N-50CF APK21N-50SL APK21N-50SF APK21D-65BL APK21D-65BF APK21D-65CL APK21D-65CF APK21D-65SL APK21D-65SF APK21N-65BL APK21N-65BF APK21N-65CL APK21N-65CF APK21N-65SL APK21N-65SF （气动）角座阀保持流速能够节省空间.它采用带弹簧安全保护的单作用气动执行机构来操作的导向角座阀。使用时应该选择常开或常闭S*系列产品由不锈钢铸造和聚****.可用于大多数气体,液体。蒸汽和腐蚀性场合.它带有散热器来保护执行机构。确保阀具有较长寿命。安装位置灵活.为了方便压力接口的*.执行机构外壳旋转350度增强了灵活性.附带有打开或关闭状态标准显示器。