其压力有以下口径：HDH48X-10Q/C DN15微阻缓闭消声止回阀、HDH48X-10Q/C DN20微阻缓闭消声止回阀、HDH48X-10Q/C DN25微阻缓闭消声止回阀、HDH48X-10Q/CDN32微阻缓闭消声止回阀、HDH48X-10Q/C DN40微阻缓闭消声止回阀、HDH48X-10Q/C DN50微阻缓闭消声止回阀、HDH48X-10Q/C DN65微阻缓闭消声止回阀、HDH48X-10Q/CDN80微阻缓闭消声止回阀、HDH48X-10Q/C DN100微阻缓闭消声止回阀、HDH48X-10Q/C DN125微阻缓闭消声止回阀、HDH48X-10Q/C DN150微阻缓闭消声止回阀、HDH48X-10Q/C DN200微阻缓闭消声止回阀、HDH48X-10Q/C DN250微阻缓闭消声止回阀、HDH48X-10Q/C DN300微阻缓闭消声止回阀、HDH48X-10Q/C DN350微阻缓闭消声止回阀、HDH48X-10Q/C DN400微阻缓闭消声止回阀、HDH48X-10Q/C DN450微阻缓闭消声止回阀、HDH48X-10Q/C DN500微阻缓闭消声止回阀、HDH48X-10Q/C DN600微阻缓闭消声止回阀、HDH48X-10Q/C DN700微阻缓闭消声止回阀、HDH48X-10Q/C DN800微阻缓闭消声止回阀；

其压力有以下口径：HDH48X-16Q/C DN15微阻缓闭消声止回阀、HDH48X-16Q/C DN20微阻缓闭消声止回阀、HDH48X-16Q/C DN25微阻缓闭消声止回阀、HDH48X-16Q/CDN32微阻缓闭消声止回阀、HDH48X-16Q/C DN40微阻缓闭消声止回阀、HDH48X-16Q/C DN50微阻缓闭消声止回阀、HDH48X-16Q/C DN65微阻缓闭消声止回阀、HDH48X-16Q/CDN80微阻缓闭消声止回阀、HDH48X-16Q/C DN100微阻缓闭消声止回阀、HDH48X-16Q/C DN125微阻缓闭消声止回阀、HDH48X-16Q/C DN150微阻缓闭消声止回阀、HDH48X-16Q/C DN200微阻缓闭消声止回阀、HDH48X-16Q/C DN250微阻缓闭消声止回阀、HDH48X-16Q/C DN300微阻缓闭消声止回阀、HDH48X-16Q/C DN350微阻缓闭消声止回阀、HDH48X-16Q/C DN400微阻缓闭消声止回阀、HDH48X-16Q/C DN450微阻缓闭消声止回阀、HDH48X-16Q/C DN500微阻缓闭消声止回阀、HDH48X-16Q/C DN600微阻缓闭消声止回阀、HDH48X-16Q/C DN700微阻缓闭消声止回阀、HDH48X-16Q/C DN800微阻缓闭消声止回阀；

其压力有以下口径：HDH48X-25Q/C DN15微阻缓闭消声止回阀、HDH48X-25Q/C DN20微阻缓闭消声止回阀、HDH48X-25Q/C DN25微阻缓闭消声止回阀、HDH48X-25Q/CDN32微阻缓闭消声止回阀、HDH48X-25Q/C DN40微阻缓闭消声止回阀、HDH48X-25Q/C DN50微阻缓闭消声止回阀、HDH48X-25Q/C DN65微阻缓闭消声止回阀、HDH48X-25Q/CDN80微阻缓闭消声止回阀、HDH48X-25Q/C DN100微阻缓闭消声止回阀、HDH48X-25Q/C DN125微阻缓闭消声止回阀、HDH48X-25Q/C DN150微阻缓闭消声止回阀、HDH48X-25Q/C DN200微阻缓闭消声止回阀、HDH48X-25Q/C DN250微阻缓闭消声止回阀、HDH48X-25Q/C DN300微阻缓闭消声止回阀、HDH48X-25Q/C DN350微阻缓闭消声止回阀、HDH48X-25Q/C DN400微阻缓闭消声止回阀、HDH48X-25Q/C DN450微阻缓闭消声止回阀、HDH48X-25Q/C DN500微阻缓闭消声止回阀、HDH48X-25Q/C DN600微阻缓闭消声止回阀、HDH48X-25Q/C DN700微阻缓闭消声止回阀、HDH48X-25Q/C DN800微阻缓闭消声止回阀；