上海祝茂阀门生产以下几种压力和材质：
内螺纹减压阀Y12H-16、内螺纹减压阀Y12H-16Q、内螺纹减压阀Y12H-16C、内螺纹减压阀Y12H-16P、内螺纹减压阀Y12H-16R
内螺纹减压阀Y12H-25、内螺纹减压阀Y12H-25Q、内螺纹减压阀Y12H-25C、内螺纹减压阀Y12H-25P、内螺纹减压阀Y12H-25R
内螺纹减压阀Y12H-40、内螺纹减压阀Y12H-40Q、内螺纹减压阀Y12H-40C、内螺纹减压阀Y12H-40P、内螺纹减压阀Y12H-40R
其压力有以下口径：Y12H-40C/P DN15减压阀、Y12H-40C/P DN20减压阀、Y12H-40C/P DN25减压阀、Y12H-40C/PDN32减压阀、Y12H-40C/P DN40减压阀、Y12H-40C/P DN50减压阀、Y12H-40C/P DN65减压阀、Y12H-40C/PDN80减压阀、Y12H-40C/P DN100减压阀、Y12H-40C/P DN125减压阀、Y12H-40C/P DN150减压阀、Y12H-40C/P DN200减压阀、Y12H-40C/P DN250减压阀、Y12H-40C/P DN300减压阀、Y12H-40C/P DN350减压阀、Y12H-40C/P DN400减压阀、Y12H-40C/P DN450减压阀、Y12H-40C/P DN500减压阀、Y12H-40C/P DN600减压阀、Y12H-40C/P DN700减压阀、Y12H-40C/P DN800减压阀；
