上海祝茂阀门生产以下几种压力和材质：

微阻缓闭止回阀DHH44X-10、微阻缓闭止回阀DHH44X-10Q、微阻缓闭止回阀DHH44X-10C、微阻缓闭止回阀DHH44X-10P、微阻缓闭止回阀DHH44X-10R

微阻缓闭止回阀DHH44X-16、微阻缓闭止回阀DHH44X-16Q、微阻缓闭止回阀DHH44X-16C、微阻缓闭止回阀DHH44X-16P、微阻缓闭止回阀DHH44X-16R

微阻缓闭止回阀DHH44X-25、微阻缓闭止回阀DHH44X-25Q、微阻缓闭止回阀DHH44X-25C、微阻缓闭止回阀DHH44X-25P、微阻缓闭止回阀DHH44X-25R

其压力有以下口径：DHH44X-25C/P DN15止回阀、DHH44X-25C/P DN20止回阀、DHH44X-25C/P DN25止回阀、DHH44X-25C/PDN32止回阀、DHH44X-25C/P DN40止回阀、DHH44X-25C/P DN50止回阀、DHH44X-25C/P DN65止回阀、DHH44X-25C/PDN80止回阀、DHH44X-25C/P DN100止回阀、DHH44X-25C/P DN125止回阀、DHH44X-25C/P DN150止回阀、DHH44X-25C/P DN200止回阀、DHH44X-25C/P DN250止回阀、DHH44X-25C/P DN300止回阀、DHH44X-25C/P DN350止回阀、DHH44X-25C/P DN400止回阀、DHH44X-25C/P DN450止回阀、DHH44X-25C/P DN500止回阀、DHH44X-25C/P DN600止回阀、DHH44X-25C/P DN700止回阀、DHH44X-25C/P DN800止回阀；

其压力有以下口径：DHH44X-16C/P DN15止回阀、DHH44X-16C/P DN20止回阀、DHH44X-16C/P DN25止回阀、DHH44X-16C/PDN32止回阀、DHH44X-16C/P DN40止回阀、DHH44X-16C/P DN50止回阀、DHH44X-16C/P DN65止回阀、DHH44X-16C/PDN80止回阀、DHH44X-16C/P DN100止回阀、DHH44X-16C/P DN125止回阀、DHH44X-16C/P DN150止回阀、DHH44X-16C/P DN200止回阀、DHH44X-16C/P DN250止回阀、DHH44X-16C/P DN300止回阀、DHH44X-16C/P DN350止回阀、DHH44X-16C/P DN400止回阀、DHH44X-16C/P DN450止回阀、DHH44X-16C/P DN500止回阀、DHH44X-16C/P DN600止回阀、DHH44X-16C/P DN700止回阀、DHH44X-16C/P DN800止回阀；