RXBF-P25/1.0背压阀PVC背压阀

RXBF-P背压阀PP背压阀

RXBF-L背压阀RXBF-S不锈钢背压阀

RXBF-S超微压不锈钢微压背压阀

RXBF-T背压阀PVDF背压阀

RXBF-F背压阀PTFE背压阀

18625PVDF背压阀安全阀泄压阀

接软管背压阀

UPVC软管背压阀安全阀PVDF

PTFE背压阀聚四氟安全阀

软管背压阀UPVC/PVDF/PPH/CPVC安全阀

PPH背压阀 活接