上海祝茂阀门生产以下几种压力和材质：

Y型快闭止回阀DYH41H-16、Y型快闭止回阀DYH41H-16Q、Y型快闭止回阀DYH41H-16C、Y型快闭止回阀DYH41H-16P、Y型快闭止回阀DYH41H-16R

Y型快闭止回阀DYH41H-25、Y型快闭止回阀DYH41H-25Q、Y型快闭止回阀DYH41H-25C、Y型快闭止回阀DYH41H-25P、Y型快闭止回阀DYH41H-25R

Y型快闭止回阀DYH41H-40、Y型快闭止回阀DYH41H-40Q、Y型快闭止回阀DYH41H-40C、Y型快闭止回阀DYH41H-40P、Y型快闭止回阀DYH41H-40R

其压力有以下口径：DYH41H-40C/P DN15止回阀、DYH41H-40C/PDN20止回阀、DYH41H-40C/P DN25止回阀、DYH41H-40C/PDN32止回阀、DYH41H-40C/PDN40止回阀、DYH41H-40C/P DN50止回阀、DYH41H-40C/P DN65止回阀、DYH41H-40C/PDN80止回阀、DYH41H-40C/PDN100止回阀、DYH41H-40C/P DN125止回阀、DYH41H-40C/P DN150止回阀、DYH41H-40C/PDN200止回阀、DYH41H-40C/P DN250止回阀、DYH41H-40C/P DN300止回阀、DYH41H-40C/PDN350止回阀、DYH41H-40C/P DN400止回阀、DYH41H-40C/P DN450止回阀、DYH41H-40C/PDN500止回阀、DYH41H-40C/P DN600止回阀、DYH41H-40C/P DN700止回阀、DYH41H-40C/PDN800止回阀；

其压力有以下口径：DYH41H-25C/P DN15止回阀、DYH41H-25C/PDN20止回阀、DYH41H-25C/P DN25止回阀、DYH41H-25C/PDN32止回阀、DYH41H-25C/PDN40止回阀、DYH41H-25C/P DN50止回阀、DYH41H-25C/P DN65止回阀、DYH41H-25C/PDN80止回阀、DYH41H-25C/PDN100止回阀、DYH41H-25C/P DN125止回阀、DYH41H-25C/P DN150止回阀、DYH41H-25C/PDN200止回阀、DYH41H-25C/P DN250止回阀、DYH41H-25C/P DN300止回阀、DYH41H-25C/PDN350止回阀、DYH41H-25C/P DN400止回阀、DYH41H-25C/P DN450止回阀、DYH41H-25C/PDN500止回阀、DYH41H-25C/P DN600止回阀、DYH41H-25C/P DN700止回阀、DYH41H-25C/PDN800止回阀；