旋启式止回阀H44H-16、旋启式止回阀H44H-16Q、旋启式止回阀H44H-16C、旋启式止回阀H44H-16P、旋启式止回阀H44H-16R

旋启式止回阀H44H-25、旋启式止回阀H44H-25Q、旋启式止回阀H44H-25C、旋启式止回阀H44H-25P、旋启式止回阀H44H-25R

旋启式止回阀H44H-40、旋启式止回阀H44H-40Q、旋启式止回阀H44H-40C、旋启式止回阀H44H-40P、旋启式止回阀H44H-40R

旋启式止回阀H44H-64、旋启式止回阀H44H-64Q、旋启式止回阀H44H-64C、旋启式止回阀H44H-64P、旋启式止回阀H44H-64R

旋启式止回阀H44H-100、旋启式止回阀H44H-100Q、旋启式止回阀H44H-100C、旋启式止回阀H44H-100P、旋启式止回阀H44H-100R

旋启式止回阀H44H-160、旋启式止回阀H44H-160Q、旋启式止回阀H44H-160C、旋启式止回阀H44H-160P、旋启式止回阀H44H-160R

旋启式止回阀H44H-320、旋启式止回阀H44H-320Q、旋启式止回阀H44H-320C、旋启式止回阀H44H-320P、旋启式止回阀H44H-320R

其压力有以下口径：H44H-320C/P/R DN15止回阀、H44H-320C/P/R DN20止回阀、H44H-320C/P/R DN25止回阀、H44H-320C/P/RDN32止回阀、H44H-320C/P/R DN40止回阀、H44H-320C/P/R DN50止回阀、H44H-320C/P/R DN65止回阀、H44H-320C/P/RDN80止回阀、H44H-320C/P/R DN100止回阀、H44H-320C/P/R DN125止回阀、H44H-320C/P/R DN150止回阀、H44H-320C/P/R DN200止回阀、H44H-320C/P/R DN250止回阀、H44H-320C/P/R DN300止回阀、H44H-320C/P/R DN350止回阀、H44H-320C/P/R DN400止回阀、H44H-320C/P/R DN450止回阀、H44H-320C/P/R DN500止回阀、H44H-320C/P/R DN600止回阀、H44H-320C/P/R DN700止回阀、H44H-320C/P/R DN800止回阀；

其压力有以下口径：H44H-160C/P/R DN15止回阀、H44H-160C/P/R DN20止回阀、H44H-160C/P/R DN25止回阀、H44H-160C/P/RDN32止回阀、H44H-160C/P/R DN40止回阀、H44H-160C/P/R DN50止回阀、H44H-160C/P/R DN65止回阀、H44H-160C/P/RDN80止回阀、H44H-160C/P/R DN100止回阀、H44H-160C/P/R DN125止回阀、H44H-160C/P/R DN150止回阀、H44H-160C/P/R DN200止回阀、H44H-160C/P/R DN250止回阀、H44H-160C/P/R DN300止回阀、H44H-160C/P/R DN350止回阀、H44H-160C/P/R DN400止回阀、H44H-160C/P/R DN450止回阀、H44H-160C/P/R DN500止回阀、H44H-160C/P/R DN600止回阀、H44H-160C/P/R DN700止回阀、H44H-160C/P/R DN800止回阀；

其压力有以下口径：H44H-100C/P/R DN15止回阀、H44H-100C/P/R DN20止回阀、H44H-100C/P/R DN25止回阀、H44H-100C/P/RDN32止回阀、H44H-100C/P/R DN40止回阀、H44H-100C/P/R DN50止回阀、H44H-100C/P/R DN65止回阀、H44H-100C/P/RDN80止回阀、H44H-100C/P/R DN100止回阀、H44H-100C/P/R DN125止回阀、H44H-100C/P/R DN150止回阀、H44H-100C/P/R DN200止回阀、H44H-100C/P/R DN250止回阀、H44H-100C/P/R DN300止回阀、H44H-100C/P/R DN350止回阀、H44H-100C/P/R DN400止回阀、H44H-100C/P/R DN450止回阀、H44H-100C/P/R DN500止回阀、H44H-100C/P/R DN600止回阀、H44H-100C/P/R DN700止回阀、H44H-100C/P/R DN800止回阀；