上海祝茂阀门生产以下几种压力和材质：
微阻缓闭式消声止回阀DHH44H-10、微阻缓闭式消声止回阀DHH44H-10Q、微阻缓闭式消声止回阀DHH44H-10C、微阻缓闭式消声止回阀DHH44H-10P、微阻缓闭式消声止回阀DHH44H-10R
微阻缓闭式消声止回阀DHH44H-16、微阻缓闭式消声止回阀DHH44H-16Q、微阻缓闭式消声止回阀DHH44H-16C、微阻缓闭式消声止回阀DHH44H-16P、微阻缓闭式消声止回阀DHH44H-16R
微阻缓闭式消声止回阀DHH44H-25、微阻缓闭式消声止回阀DHH44H-25Q、微阻缓闭式消声止回阀DHH44H-25C、微阻缓闭式消声止回阀DHH44H-25P、微阻缓闭式消声止回阀DHH44H-25R
其压力有以下口径：DHH44H-25C/P DN15微阻缓闭止回阀、DHH44H-25C/P DN20微阻缓闭止回阀、DHH44H-25C/P DN25微阻缓闭止回阀、DHH44H-25C/PDN32微阻缓闭止回阀、DHH44H-25C/P DN40微阻缓闭止回阀、DHH44H-25C/P DN50微阻缓闭止回阀、DHH44H-25C/P DN65微阻缓闭止回阀、DHH44H-25C/PDN80微阻缓闭止回阀、DHH44H-25C/P DN100微阻缓闭止回阀、DHH44H-25C/P DN125微阻缓闭止回阀、DHH44H-25C/P DN150微阻缓闭止回阀、DHH44H-25C/P DN200微阻缓闭止回阀、DHH44H-25C/P DN250微阻缓闭止回阀、DHH44H-25C/P DN300微阻缓闭止回阀、DHH44H-25C/P DN350微阻缓闭止回阀、DHH44H-25C/P DN400微阻缓闭止回阀、DHH44H-25C/P DN450微阻缓闭止回阀、DHH44H-25C/P DN500微阻缓闭止回阀、DHH44H-25C/P DN600微阻缓闭止回阀、DHH44H-25C/P DN700微阻缓闭止回阀、DHH44H-25C/P DN800微阻缓闭止回阀；
