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A42Y-16P DN250,封閉彈簧全啟式安全閥
A42Y-16C DN20,A42Y-16C DN25,A42Y-16C DN32,A42Y-16C DN40,封閉彈簧全啟式安全閥
A42Y-16C DN50,A42Y-16C DN65,A42Y-16C DN80,A42Y-16C DN100,封閉彈簧全啟式安全閥
A42Y-16C DN125,A42Y-16C DN150,A42Y-16C DN200,A42Y-16C DN250,封閉彈簧全啟式安全閥
A42Y-16C DN300,A42Y-16C DN350,A42Y-16C DN400,封閉彈簧全啟式安全閥
A42Y-16R DN20,A42Y-16R DN25,A42Y-16R DN32,A42Y-16R DN40,封閉彈簧全啟式安全閥
A42Y-16R DN50,A42Y-16R DN65,A42Y-16R DN80,A42Y-16R DN100,封閉彈簧全啟式安全閥
A42Y-16R DN125,A42Y-16R DN150,A42Y-16R DN200,A42Y-16R DN250,封閉彈簧全啟式安全閥
