UPVC 活接减压阀 耐酸碱膜片式自力式减压阀，腐蚀流体管道降压稳压保护阀

UPVC union diaphragm self-operated pressure reducing valve with UPVC engineering plastic body, union connection at both ends for easy assembly and maintenance, diaphragm feedback structure. It automatically adjusts spool opening according to downstream pressure feedback to reduce and stabilize outlet pressure without external air or power supply. Resistant to strong acid and alkali, suitable for liquid media such as water and acid-base chemicals, protecting downstream pipelines and instruments from high pressure impact. Outlet pressure can be adjusted on the top.