其压力有以下口径:KDA21F-25P/R DN15低温安全阀、KDA21F-25P/R DN20低温安全阀、KDA21F-25P/R DN25低温安全阀、KDA21F-25P/RDN32低温安全阀、KDA21F-25P/R DN40低温安全阀、KDA21F-25P/R DN50低温安全阀、KDA21F-25P/R DN65低温安全阀、KDA21F-25P/RDN80低温安全阀、KDA21F-25P/R DN100低温安全阀、KDA21F-25P/R DN125低温安全阀、KDA21F-25P/R DN150低温安全阀、KDA21F-25P/R DN200低温安全阀、KDA21F-25P/R DN250低温安全阀、KDA21F-25P/R DN300低温安全阀、KDA21F-25P/R DN350低温安全阀、KDA21F-25P/R DN400低温安全阀、KDA21F-25P/R DN450低温安全阀、KDA21F-25P/R DN500低温安全阀、KDA21F-25P/R DN600低温安全阀、KDA21F-25P/R DN700低温安全阀、KDA21F-25P/R DN800低温安全阀;
其压力有以下口径:KDA21F-16P/R DN15低温安全阀、KDA21F-16P/R DN20低温安全阀、KDA21F-16P/R DN25低温安全阀、KDA21F-16P/RDN32低温安全阀、KDA21F-16P/R DN40低温安全阀、KDA21F-16P/R DN50低温安全阀、KDA21F-16P/R DN65低温安全阀、KDA21F-16P/RDN80低温安全阀、KDA21F-16P/R DN100低温安全阀、KDA21F-16P/R DN125低温安全阀、KDA21F-16P/R DN150低温安全阀、KDA21F-16P/R DN200低温安全阀、KDA21F-16P/R DN250低温安全阀、KDA21F-16P/R DN300低温安全阀、KDA21F-16P/R DN350低温安全阀、KDA21F-16P/R DN400低温安全阀、KDA21F-16P/R DN450低温安全阀、KDA21F-16P/R DN500低温安全阀、KDA21F-16P/R DN600低温安全阀、KDA21F-16P/R DN700低温安全阀、KDA21F-16P/R DN800低温安全阀;