其压力有以下口径：HH48H-25C/P DN15止回阀、HH48H-25C/P DN20止回阀、HH48H-25C/P DN25止回阀、HH48H-25C/PDN32止回阀、HH48H-25C/P DN40止回阀、HH48H-25C/P DN50止回阀、HH48H-25C/P DN65止回阀、HH48H-25C/PDN80止回阀、HH48H-25C/P DN100止回阀、HH48H-25C/P DN125止回阀、HH48H-25C/P DN150止回阀、HH48H-25C/P DN200止回阀、HH48H-25C/P DN250止回阀、HH48H-25C/P DN300止回阀、HH48H-25C/P DN350止回阀、HH48H-25C/P DN400止回阀、HH48H-25C/P DN450止回阀、HH48H-25C/P DN500止回阀、HH48H-25C/P DN600止回阀、HH48H-25C/P DN700止回阀、HH48H-25C/P DN800止回阀；

其压力有以下口径：HH48H-16C/P DN15止回阀、HH48H-16C/P DN20止回阀、HH48H-16C/P DN25止回阀、HH48H-16C/PDN32止回阀、HH48H-16C/P DN40止回阀、HH48H-16C/P DN50止回阀、HH48H-16C/P DN65止回阀、HH48H-16C/PDN80止回阀、HH48H-16C/P DN100止回阀、HH48H-16C/P DN125止回阀、HH48H-16C/P DN150止回阀、HH48H-16C/P DN200止回阀、HH48H-16C/P DN250止回阀、HH48H-16C/P DN300止回阀、HH48H-16C/P DN350止回阀、HH48H-16C/P DN400止回阀、HH48H-16C/P DN450止回阀、HH48H-16C/P DN500止回阀、HH48H-16C/P DN600止回阀、HH48H-16C/P DN700止回阀、HH48H-16C/P DN800止回阀；

其压力有以下口径：HH48H-10C/P DN15止回阀、HH48H-10C/P DN20止回阀、HH48H-10C/P DN25止回阀、HH48H-10C/PDN32止回阀、HH48H-10C/P DN40止回阀、HH48H-10C/P DN50止回阀、HH48H-10C/P DN65止回阀、HH48H-10C/PDN80止回阀、HH48H-10C/P DN100止回阀、HH48H-10C/P DN125止回阀、HH48H-10C/P DN150止回阀、HH48H-10C/P DN200止回阀、HH48H-10C/P DN250止回阀、HH48H-10C/P DN300止回阀、HH48H-10C/P DN350止回阀、HH48H-10C/P DN400止回阀、HH48H-10C/P DN450止回阀、HH48H-10C/P DN500止回阀、HH48H-10C/P DN600止回阀、HH48H-10C/P DN700止回阀、HH48H-10C/P DN800止回阀；