其压力有以下口径：HDH44X-25C/P DN15软密封止回阀、HDH44X-25C/P DN20软密封止回阀、HDH44X-25C/P DN25软密封止回阀、HDH44X-25C/PDN32软密封止回阀、HDH44X-25C/P DN40软密封止回阀、HDH44X-25C/P DN50软密封止回阀、HDH44X-25C/P DN65软密封止回阀、HDH44X-25C/PDN80软密封止回阀、HDH44X-25C/P DN100软密封止回阀、HDH44X-25C/P DN125软密封止回阀、HDH44X-25C/P DN150软密封止回阀、HDH44X-25C/P DN200软密封止回阀、HDH44X-25C/P DN250软密封止回阀、HDH44X-25C/P DN300软密封止回阀、HDH44X-25C/P DN350软密封止回阀、HDH44X-25C/P DN400软密封止回阀、HDH44X-25C/P DN450软密封止回阀、HDH44X-25C/P DN500软密封止回阀、HDH44X-25C/P DN600软密封止回阀、HDH44X-25C/P DN700软密封止回阀、HDH44X-25C/P DN800软密封止回阀；

其压力有以下口径：HDH44X-16Q/C/P DN15软密封止回阀、HDH44X-16Q/C/P DN20软密封止回阀、HDH44X-16Q/C/P DN25软密封止回阀、HDH44X-16Q/C/PDN32软密封止回阀、HDH44X-16Q/C/P DN40软密封止回阀、HDH44X-16Q/C/P DN50软密封止回阀、HDH44X-16Q/C/P DN65软密封止回阀、HDH44X-16Q/C/PDN80软密封止回阀、HDH44X-16Q/C/P DN100软密封止回阀、HDH44X-16Q/C/P DN125软密封止回阀、HDH44X-16Q/C/P DN150软密封止回阀、HDH44X-16Q/C/P DN200软密封止回阀、HDH44X-16Q/C/P DN250软密封止回阀、HDH44X-16Q/C/P DN300软密封止回阀、HDH44X-16Q/C/P DN350软密封止回阀、HDH44X-16Q/C/P DN400软密封止回阀、HDH44X-16Q/C/P DN450软密封止回阀、HDH44X-16Q/C/P DN500软密封止回阀、HDH44X-16Q/C/P DN600软密封止回阀、HDH44X-16Q/C/P DN700软密封止回阀、HDH44X-16Q/C/P DN800软密封止回阀；

其压力有以下口径：HDH44X-10Q/C/P DN15软密封止回阀、HDH44X-10Q/C/P DN20软密封止回阀、HDH44X-10Q/C/P DN25软密封止回阀、HDH44X-10Q/C/PDN32软密封止回阀、HDH44X-10Q/C/P DN40软密封止回阀、HDH44X-10Q/C/P DN50软密封止回阀、HDH44X-10Q/C/P DN65软密封止回阀、HDH44X-10Q/C/PDN80软密封止回阀、HDH44X-10Q/C/P DN100软密封止回阀、HDH44X-10Q/C/P DN125软密封止回阀、HDH44X-10Q/C/P DN150软密封止回阀、HDH44X-10Q/C/P DN200软密封止回阀、HDH44X-10Q/C/P DN250软密封止回阀、HDH44X-10Q/C/P DN300软密封止回阀、HDH44X-10Q/C/P DN350软密封止回阀、HDH44X-10Q/C/P DN400软密封止回阀、HDH44X-10Q/C/P DN450软密封止回阀、HDH44X-10Q/C/P DN500软密封止回阀、HDH44X-10Q/C/P DN600软密封止回阀、HDH44X-10Q/C/P DN700软密封止回阀、HDH44X-10Q/C/P DN800软密封止回阀；