公称
通径 | PN10.PN16 | PN25 | PN40 | | A | B | C | D | E | L | G | A | B | C | D | E | L | G | A | B | C | D | E | L | G | | 40 | 94 | 16 | 22 | 81.4 | 25 | 195 | 0 | 等同 PN10 | 等同 PN10 | | 50 | 109 | 16 | 32 | 94 | 33.6 | 208 | 1 | | 65 | 129 | 17 | 40 | 111 | 46 | 230 | 2 | | 80 | 144 | 17 | 54 | 123 | 56.5 | 245 | 3 | | 100 | 164 | 18 | 70 | 147 | 71.4 | 265 | 3 | 168 | 18 | 70 | 149 | 71.4 | 269 | 3 | 等同 PN25 | | 125 | 195 | 18 | 92 | 171 | 87.3 | 297 | 5 | 194 | 18 | 92 | 171 | 87.3 | 296 | 5 | | 150 | 220 | 20 | 112 | 200 | 106.6 | 321 | 5 | 224 | 20 | 112 | 202 | 106.6 | 325 | 5 | | 200 | 275 | 22 | 154 | 256 | 148.2 | 376 | 5 | 284 | 22 | 154 | 265 | 148.2 | 385 | 5 | 291 | 22 | 154 | 268 | 148.2 | 392 | 5 | | 250 | 331 | 26 | 192 | 302 | 185.2 | 436 | 6 | 342 | 26 | 192 | 307 | 185.2 | 447 | 6 | 353 | 26 | 192 | 312 | 185.2 | 458 | 6 | | 300 | 380 | 32 | 227 | 352 | 216.3 | 484 | 10 | 401 | 32 | 227 | 360 | 216.3 | 499 | 10 | 418 | 32 | 227 | 368 | 216.3 | 516 | 10 | | 350 | 446 | 38 | 266 | 408 | 254 | 548 | 12 | 458 | 38 | 266 | 412 | 254 | 560 | 12 | 475 | 38 | 266 | 422 | 254 | 577 | 12 | | 400 | 498 | 44 | 310 | 460 | 294.4 | 603 | 14 | 515 | 44 | 310 | 463 | 294.4 | 620 | 14 | 547 | 44 | 310 | 484 | 294.4 | 652 | 14 | 相关止回阀产品系列: H41X/W-16P不锈钢消声止回阀 H41H/W升降式止回阀 H42H/W立式止回阀 HH47X/HH48X/HH49X微阻缓闭蝶型消声止回阀 HH44X微阻缓闭止回阀 H71H/W对夹升降式止回阀（全铜) H71H/W对夹升降式止回阀 H74 Ⅱ型对夹薄型止回阀 H76X对夹蝶型旋启式止回阀 H41X/W全铜消声止回阀 HC44X-10-16橡胶瓣止回阀 H44H/W旋启式止回阀 H76H/W对夹蝶型止回阀（双瓣式) H42X底阀 H41X/W消声止回阀（铁壳铜芯） HQ41X球形止回阀（无磨损球形止回阀) HQ45X型 微阻球形止回阀 H42H/W不锈钢法兰立式止回阀 H14W-16P/R不锈钢螺纹旋启式止回阀 H61Y型高压升降式止回阀 H42T型（DRVZ）*止回阀 H41W型不锈钢升降式止回阀 H12W-16P/R不锈钢丝口止回阀 H12W-16T黄铜丝口止回阀 H74Ⅰ型对夹薄型止回阀 | 
