QFHS-231
QFHS不锈钢系列空气过滤减压器有:QFHS-111;QFHS-211;QFHS-221;QFHS-231;QFHS-241;QFHS-261;QFHS不锈钢系列空气过滤减压器是压力调节器是一种高性能防腐性产品QFHS-211/QFHS-221/QFHS-231/QFHS-241/QFHS-261不锈钢减压阀