DA21F-40P安全阀

其压力有以下口径：DA21F-25P/R DN15安全阀、DA21F-25P/R DN20安全阀、DA21F-25P/R DN25安全阀、DA21F-25P/RDN32安全阀、DA21F-25P/R DN40安全阀、DA21F-25P/R DN50安全阀、DA21F-25P/R DN65安全阀、DA21F-25P/RDN80安全阀、DA21F-25P/R DN100安全阀、DA21F-25P/R DN125安全阀、DA21F-25P/R DN150安全阀、DA21F-25P/R DN200安全阀、DA21F-25P/R DN250安全阀、DA21F-25P/R DN300安全阀、DA21F-25P/R DN350安全阀、DA21F-25P/R DN400安全阀、DA21F-25P/R DN450安全阀、DA21F-25P/R DN500安全阀、DA21F-25P/R DN600安全阀、DA21F-25P/R DN700安全阀、DA21F-25P/R DN800安全阀；

其压力有以下口径：DA21F-16P/R DN15安全阀、DA21F-16P/R DN20安全阀、DA21F-16P/R DN25安全阀、DA21F-16P/RDN32安全阀、DA21F-16P/R DN40安全阀、DA21F-16P/R DN50安全阀、DA21F-16P/R DN65安全阀、DA21F-16P/RDN80安全阀、DA21F-16P/R DN100安全阀、DA21F-16P/R DN125安全阀、DA21F-16P/R DN150安全阀、DA21F-16P/R DN200安全阀、DA21F-16P/R DN250安全阀、DA21F-16P/R DN300安全阀、DA21F-16P/R DN350安全阀、DA21F-16P/R DN400安全阀、DA21F-16P/R DN450安全阀、DA21F-16P/R DN500安全阀、DA21F-16P/R DN600安全阀、DA21F-16P/R DN700安全阀、DA21F-16P/R DN800安全阀；