| |  | 减压阀组 | | 型号:Y | | 口径:DN15-DN300 | | 压力:1.6mpa~6.4mpa | | 材质:铸铁，铸钢 |  | | |  | 减温减压器 | | 型号:Y | | 口径:DN15-DN300 | | 压力:1.6mpa~6.4mpa | | 材质:铸铁，铸钢 | | |
|  | 氮气减压阀 | | 型号:Y43H | | 口径:DN15-DN300 | | 压力:1.6mpa~6.4mpa | | 材质:铸铁，铸钢 | | | |  | Y42X型弹簧活塞式减压 | | 型号:Y42X | | 口径:DN15-DN500 | | 压力:1.0mpa-2.5mpa | | 材质:铸铁，铸钢 | | | |  | Y43X比例式减压阀 | | 型号:Y43X | | 口径:DN50-DN200 | | 压力:1.0mpa-1.6mpa | | 材质:黄铜 | | | |  | 200P型可调式减压阀 | | 型号:200P | | 口径:DN15-DN50 | | 压力:1.6mpa~6.4mpa | | 材质:不锈钢 | | |
