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上海祝茂阀门生产以下几种压力和材质： 不锈钢止回阀H44W-16、不锈钢止回阀H44W-16Q、不锈钢止回阀H44W-16C、不锈钢止回阀H44W-16P、不锈钢止回阀H44W-16R 不锈钢止回阀H44W-25、不锈钢止回阀H44W-25Q、不锈钢止回阀H44W-25C、不锈钢止回阀H44W-25P、不锈钢止回阀H44W-25R 不锈钢止回阀H44W-40、不锈钢止回阀H44W-40Q、不锈钢止回阀H44W-40C、不锈钢止回阀H44W-40P、不锈钢止回阀H44W-40R 不锈钢止回阀H44W-64、不锈钢止回阀H44W-64Q、不锈钢止回阀H44W-64C、不锈钢止回阀H44W-64P、不锈钢止回阀H44W-64R 不锈钢止回阀H44W-100、不锈钢止回阀H44W-100Q、不锈钢止回阀H44W-100C、不锈钢止回阀H44W-100P、不锈钢止回阀H44W-100R 不锈钢止回阀H44W-160、不锈钢止回阀H44W-160Q、不锈钢止回阀H44W-160C、不锈钢止回阀H44W-160P、不锈钢止回阀H44W-160R 不锈钢止回阀H44W-320、不锈钢止回阀H44W-320Q、不锈钢止回阀H44W-320C、不锈钢止回阀H44W-320P、不锈钢止回阀H44W-320R   其压力有以下口径：H44W-320P/R DN15旋启式止回阀、H44W-320P/R DN20旋启式止回阀、H44W-320P/R DN25旋启式止回阀、H44W-320P/RDN32旋启式止回阀、H44W-320P/R DN40旋启式止回阀、H44W-320P/R DN50旋启式止回阀、H44W-320P/R DN65旋启式止回阀、H44W-320P/RDN80旋启式止回阀、H44W-320P/R DN100旋启式止回阀、H44W-320P/R DN125旋启式止回阀、H44W-320P/R DN150旋启式止回阀