上海祝茂阀门生产以下几种压力和材质： 三合一止回阀LH41X-10、三合一止回阀LH41X-10Q、三合一止回阀LH41X-10C、三合一止回阀LH41X-10P、三合一止回阀LH41X-10R 三合一止回阀LH41X-16、三合一止回阀LH41X-16Q、三合一止回阀LH41X-16C、三合一止回阀LH41X-16P、三合一止回阀LH41X-16R 三合一止回阀LH41X-25、三合一止回阀LH41X-25Q、三合一止回阀LH41X-25C、三合一止回阀LH41X-25P、三合一止回阀LH41X-25R   其压力有以下口径：LH41X-25C/P DN15止回阀、LH41X-25C/P DN20止回阀、LH41X-25C/P DN25止回阀、LH41X-25C/PDN32止回阀、LH41X-25C/P DN40止回阀、LH41X-25C/P DN50止回阀、LH41X-25C/P DN65止回阀、LH41X-25C/PDN80止回阀、LH41X-25C/P DN100止回阀、LH41X-25C/P DN125止回阀、LH41X-25C/P DN150止回阀、LH41X-25C/P DN200止回阀、LH41X-25C/P DN250止回阀、LH41X-25C/P DN300止回阀、LH41X-25C/P DN350止回阀、LH41X-25C/P DN400止回阀、LH41X-25C/P DN450止回阀、LH41X-25C/P DN500止回阀、LH41X-25C/P DN600止回阀、LH41X-25C/P DN700止回阀、LH41X-25C/P DN800止回阀；