山东东阀制冷科技有限公司

Shangdong Dofun Refrigeration Technology Co.,Ltd.

主营产品包括：制冷阀门（氨 氟 二氧化氮）截止阀、止回阀、截止止回阀、节流阀、过滤器等。

Main products: refrigeration valve(ammonia, fluorine, nitrogen  dioxide)stop valve, check valve,stip check valve,stop and control valve,filter and so on.

压力调节阀（氨 氟 二氧化氮）入口压力调节阀IPRV，入口压力调节阀（电磁强关）IPPV-1C,入口压力调节阀（电磁强开）IPPV-1N,出口压力调节阀OPRV,压差调节阀DPAV,Y压差调节阀（电磁全开）DPAV-1N

Pressure regulator(ammonia, fluorine, nitrogen  dioxide),inlet pressure regulators IPRV, inlet

pressure regulators( strong electromagnetic shut) IPPIV-P1C, inlet pressure regulators(strong pressure electromagnetic drive)IPPIV-1N,exit pressure regulators OPRV,pressure differenceregulators(electromagnetic fully open)DPAV-1N.

自控阀门（氨 氟 二氧化氮) 气动阀 电磁阀（铜 钢）

Autocontrol valve((ammonia, fluorine, nitrogen  dioxide),pneumatic valve, electromagnetic valve(copper, steel)