上海祝茂阀门生产以下几种压力和材质：
煤气专用减压阀YWA42X-16、煤气专用减压阀YWA42X-16Q、煤气专用减压阀YWA42X-16C、煤气专用减压阀YWA42X-16P、煤气专用减压阀YWA42X-16R
煤气专用减压阀YWA42X-25、煤气专用减压阀YWA42X-25Q、煤气专用减压阀YWA42X-25C、煤气专用减压阀YWA42X-25P、煤气专用减压阀YWA42X-25R
煤气专用减压阀YWA42X-40、煤气专用减压阀YWA42X-40Q、煤气专用减压阀YWA42X-40C、煤气专用减压阀YWA42X-40P、煤气专用减压阀YWA42X-40R
其压力有以下口径：YWA42X-40C/PDN15气体减压阀、YWA42X-40C/PDN20气体减压阀、YWA42X-40C/PDN25气体减压阀、YWA42X-40C/PDN32气体减压阀、YWA42X-40C/P DN40气体减压阀、YWA42X-40C/P DN50气体减压阀、YWA42X-40C/P DN65气体减压阀、YWA42X-40C/PDN80气体减压阀、YWA42X-40C/P DN100气体减压阀、YWA42X-40C/P DN125气体减压阀、YWA42X-40C/P DN150气体减压阀、YWA42X-40C/P DN200气体减压阀、YWA42X-40C/P DN250气体减压阀、YWA42X-40C/P DN300气体减压阀、YWA42X-40C/P DN350气体减压阀、YWA42X-40C/P DN400气体减压阀、YWA42X-40C/P DN450气体减压阀、YWA42X-40C/P DN500气体减压阀、YWA42X-40C/P DN600气体减压阀、YWA42X-40C/P DN700气体减压阀、YWA42X-40C/P DN800气体减压阀；
