| 配管法兰 | 公称压力PN(MPa) | 法兰密封面 | 产品型号 | | JB/T74 GB9113 HG20592～ 20635 | 1.6 | 凸面 | H44H-16C | H44W-16R | H44W-16P | H44Y-16I | | 2.5 | H44H-25 | H44W-25R | H44W-25P | H44Y-25I | | 4.0 | 凹凸面 | H44H-40 | H44W-40R | H44W-40P | H44Y-40I | | 6.4 | H44H-64 | H44W-64R | H44W-64P | H44Y-64I | | 10.0 | H44H-100 | H44W-100R | H44W-100P | H44Y-100I | | 16.0 | H44H-160 | H44W-160R | H44W-160P | H44Y-160I | | 25.0 | H44H-250 | H44W-250R | H44W-250P | H44Y-250I | 法兰密封面型式与表中规定不同时，用户应在全同中注明 性能规范: | 公称压力PN(MPa) | 试验压力(MPa) | 适用温度(℃) | 适用介质 | | 强度试验 | 密封试验 | WCB | Cr5Mo | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | | 1.6 | 2.4 | 1.8 | ≤425 | ≤550 | ≤200 | ≤200 | 水、油品、 蒸汽、酸性 介质 | | 2.5 | 3.8 | 2.8 | | 4.0 | 6.0 | 4.4 | | 6.4 | 9.6 | 7.1 | | 10.0 | 15.0 | 11.0 | — | | 16.0 | 24.0 | 17.6 | | 25.0 | 37.0 | 27.5 |
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