YT11H-16P-DN25内丝扣薄膜型减压阀

200P水用减压阀,全铜减压阀

YB43X-16-DN150固定比例式减压阀

Y43X-16C-DN200比例式减压阀

Y13X-16T-DN50比例式减压阀

Y14H-16P-DN20小波纹管式减压阀

YD43H先导式高灵敏度蒸汽减压阀

Y45H-100C-DN100型杠杆式减压阀

YK43X-16C-DN65气体减压阀

YK43Y-16P-DN100不锈钢气体减压阀

Y42F-250P-DN40高压减压阀

Y12X-25C弹簧薄膜式丝口减压阀