H44H-25C型国标旋启式止回阀 名称:国标旋启式止回阀 | 型号:H44H-25C | 公称通径:DN25-DN300 | 设计标准:GB/T12236 | 公称压力:PN16/25 | 结构长度:GB/T12221 | 适用介质:水、油、蒸汽等 | 阀体法兰标准:GB/T9113 | 适用温度:-10°C-350°C | 试验检验标准:GB/T13927 | 主要零部件材质Main Spare Part Material Quality | 零部件名称 | 材料编号 | 阀体 | WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti | 阀盖 | WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti | 阀瓣 | WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti | 摇杆 | WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti | 阀座 | 25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti | 销轴 | 25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti | 密封环、垫片 | 包覆垫,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti | 主要外形尺寸及连接尺寸 Outline Dimensions and Connection Dimensions | 公称压力 (Mpa) | 规格DN | 尺寸Size | L | D | D1 | D2 | n-d | H | PN1.6 | 50 | 230 | 160 | 125 | 100 | 4-18 | 160 | 65 | 290 | 180 | 145 | 120 | 4-18 | 177 | 80 | 310 | 195 | 160 | 135 | 8-18 | 187 | 100 | 350 | 215 | 180 | 155 | 8-18 | 202 | 125 | 400 | 245 | 210 | 185 | 8-18 | 227 | 150 | 480 | 280 | 240 | 210 | 8-23 | 263 | 200 | 550 | 335 | 295 | 265 | 12-23 | 293 | 250 | 650 | 405 | 355 | 320 | 12-26 | 330 | 300 | 750 | 460 | 410 | 375 | 12-26 | 382 | 350 | 850 | 520 | 470 | 435 | 16-26 | 430 | 400 | 950 | 580 | 525 | 485 | 16-30 | 480 | 500 | 1150 | 715 | 650 | 608 | 20-34 | 560 | PN2.5 | 50 | 230 | 160 | 125 | 100 | 4-18 | 177 | 65 | 290 | 180 | 145 | 120 | 8-18 | 192 | 80 | 310 | 195 | 160 | 135 | 8-18 | 192 | 100 | 350 | 230 | 190 | 160 | 8-23 | 217 | 125 | 400 | 245 | 220 | 188 | 8-26 | 250 | 150 | 480 | 300 | 250 | 218 | 8-26 | 270 | 200 | 550 | 360 | 310 | 276 | 12-26 | 350 | 250 | 650 | 425 | 370 | 332 | 12-30 | 410 | 300 | 750 | 485 | 430 | 390 | 16-30 | 430 | 350 | 850 | 550 | 490 | 448 | 16-34 | 450 | 400 | 950 | 610 | 550 | 505 | 16-36 | 560 | 500 | 1150 | 730 | 660 | 610 | 20-36 | 618 | |