H76型凸耳对夹双瓣旋启式止回阀(美标) H76 type lug and wafer type double discs swing check valve(ANSI standard) H71对夹升降式止回阀(国标)H71 wafer type lift check valve(GB standard) 公称压力 PN(MPa) Norminal pressure | 公称通径 DN(mm) Norminal diameter | 尺寸(mm)Dimension | 重量(kg) Weight | 配管法兰(供参考) Flange(as referenced) | L | D | D3 | D2 | 螺栓孔中 心圆直径D1 Diameter of the bolt | 螺栓数量 Quantity of the bolt
| 螺栓直径d Diameter of the bolt | 螺栓长度L1 Length of the bolt | 4.0 | 15 | 16 | 52 | 15 | 44 | 0.12 | 65 | 4 | M12 | 80 | 20 | 19 | 62 | 19 | 52 | 0.24 | 75 | 4 | M12 | 90 | 25 | 22 | 72 | 24 | 60 | 0.34 | 85 | 4 | M12 | 90 | 32 | 28 | 83 | 31 | 72 | 0.53 | 100 | 4 | M16 | 110 | 40 | 31.5 | 93 | 39 | 74 | 0.80 | 110 | 4 | M16 | 115 | 50 | 40 | 109 | 48 | 98 | 1.2 | 125 | 4 | M16 | 125 | 65 | 46 | 129 | 63 | 117 | 2.2 | 145 | 8 | M16 | 135 | 80 | 50 | 144 | 78 | 128 | 3.1 | 160 | 8 | M16 | 145 | 100 | 60 | 168 | 98 | / | 9 | 190 | 8 | M20 | 160 | 125 | 90 | 196 | 123 | / | 14 | 220 | 8 | M24 | 205 | 150 | 106 | 224 | 148 | / | 18 | 250 | 8 | M24 | 225 | 200 | 140 | 291 | 198 | / | 28 | 320 | 12 | M27 | 275 | 250 | 160 | 353 | 248 | / | 42 | 385 | 12 | M30 | 295 | 6.4 | 15 | 25 | 62 | 15 | / | 0.5 | 75 | 4 | M12 | 100 | 20 | 31.5 | 73 | 19 | / | 0.7 | 90 | 4 | M16 | 115 | 25 | 35.5 | 83 | 24 | / | 1.0 | 100 | 4 | M16 | 130 | 32 | 40 | 89 | 31 | / | 1.3 | 110 | 4 | M20 | 140 | 40 | 45 | 104 | 39 | / | 2.0 | 125 | 4 | M20 | 150 | 50 | 56 | 114 | 48 | / | 3.2 | 135 | 4 | M20 | 160 | 65 | 63 | 138 | 63 | / | 4.5 | 160 | 8 | M20 | 170 | 80 | 71 | 148 | 78 | / | 5 | 170 | 8 | M20 | 180 | 100 | 80 | 174 | 98 | / | 7 | 200 | 8 | M24 | 200 | 125 | 110 | 211 | 123 | / | 13 | 240 | 8 | M27 | 245 | 150 | 125 | 248 | 148 | / | 22 | 280 | 8 | M30 | 270 | 200 | 160 | 310 | 198 | / | 40 | 345 | 8 | M33 | 325 | 250 | 180 | 362 | 248 | / | 60 | 400 | 8 | M33 | 350 | 10.0 | 15 | 25 | 62 | 15 | / | 0.6 | 75 | 4 | M12 | 100 | 20 | 31.5 | 73 | 19 | / | 1.0 | 90 | 4 | M16 | 115 | 25 | 35.5 | 83 | 24 | / | 1.3 | 100 | 4 | M16 | 130 | 32 | 40 | 89 | 31 | / | 1.6 | 110 | 4 | M20 | 140 | 40 | 45 | 104 | 39 | / | 2.5 | 125 | 4 | M20 | 150 | 50 | 56 | 120 | 48 | / | 3.8 | 145 | 4 | M24 | 172 | 65 | 63 | 144 | 63 | / | 6 | 170 | 8 | M24 | 185 | 80 | 71 | 154 | 78 | / | 7 | 180 | 8 | M24 | 195 | 100 | 80 | 181 | 98 | / | 10 | 210 | 8 | M27 | 220 | 125 | 110 | 218 | 123 | / | 18 | 250 | 8 | M30 | 265 | 150 | 125 | 258 | 148 | / | 30 | 290 | 12 | M30 | 285 | 200 | 160 | 324 | 198 | / | 56 | 360 | 12 | M33 | 345 | 250 | 180 | 392 | 248 | / | 70 | 430 | 12 | M36 | 365 | H71对夹式降式止回阀(美标)H71 wafer type lift check valve(ANSI standard) 压力级 Pressure rating | 口径DN | 尺寸(mm)Dimension | 重量 (kg) Weight | 配管法兰(供参考)Flange(as referenced) | NPS | DN | L | D | D3 | D2 | 螺栓孔中 心圆直径D1 Diameter of the bolt | 螺栓数量 Quantity of the bolt | 螺栓直径d Diameter of the bolt | 螺栓长度L1 Length of the bolt | in | mm | Class150 | 1/2 | 15 | 16 | 46 | 15 | 44 | 0.12 | 60.5 | 4 | 1/2 | M14 | 90 | 3/4 | 20 | 19 | 56 | 19 | 52 | 0.24 | 70 | 4 | 1/2 | M14 | 100 | / | 25 | 22 | 65 | 24 | 60 | 0.34 | 79.5 | 4 | 1/2 | M14 | 110 | 1 1/4 | 32 | 28 | 74 | 31 | 72 | 0.53 | 89 | 4 | 1/2 | M14 | 120 | 1 1/2 | 40 | 31.5 | 84 | 39 | 74 | 0.80 | 98.5 | 4 | 1/2 | M14 | 130 | 2 | 50 | 40 | 103 | 48 | 98 | 1.2 | 120.5 | 4 | 5/8 | M16 | 145 | 2 1/2 | 65 | 46 | 122 | 63 | 117 | 2.2 | 139.5 | 4 | 5/8 | M16 | 160 | 3 | 80 | 50 | 135 | 78 | 128 | 3.1 | 152.5 | 4 | 5/8 | M16 | 170 | 4 | 100 | 60 | 173 | 98 | - | 5.8 | 190.5 | 8 | 5/8 | M16 | 180 | 5 | 125 | 90 | 195 | 123 | - | 12 | 216.0 | 8 | 3/4 | M20 | 210 | 6 | 150 | 106 | 220 | 148 | - | 17 | 241.5 | 8 | 3/4 | M20 | 230 | 8 | 200 | 140 | 277 | 198 | - | 29 | 298.5 | 8 | 3/4 | M20 | 270 | 10 | 250 | 160 | 337 | 248 | - | 35 | 362.0 | 12 | 7/8 | M24 | 290 | Class300 | 1/2 | 15 | 25 | 52 | 15 | - | 0.3 | 66.5 | 4 | 1/2 | M14 | 100 | 3/4 | 20 | 31.5 | 65 | 19 | - | 0.46 | 82.5 | 4 | 5/8 | M16 | 110 | / | 25 | 35.5 | 72 | 24 | - | 0.6 | 89 | 4 | 5/8 | M16 | 120 | 1 1/4 | 32 | 40 | 81 | 31 | - | 0.8 | 98.5 | 4 | 5/8 | M16 | 130 | 1 1/2 | 40 | 45 | 94 | 39 | - | 1.5 | 114.5 | 4 | 3/4 | M20 | 140 | 2 | 50 | 56 | 110 | 48 | - | 2.4 | 127.0 | 8 | 5/8 | M16 | 150 | 2 1/2 | 65 | 63 | 128 | 63 | - | 3.0 | 149.0 | 8 | 3/4 | M20 | 170 | 3 | 80 | 71 | 148 | 78 | - | 4.0 | 168.5 | 8 | 3/4 | M20 | 190 | 4 | 100 | 80 | 179 | 98 | - | 5.5 | 200.0 | 8 | 3/4 | M20 | 200 | 5 | 125 | 110 | 214 | 123 | - | 13 | 235.0 | 8 | 3/4 | M20 | 240 | 6 | 150 | 125 | 249 | 148 | - | 22 | 270.0 | 12 | 3/4 | M20 | 260 | 8 | 200 | 160 | 305 | 198 | - | 36 | 330.0 | 12 | 7/8 | M24 | 310 | 10 | 250 | 180 | 359 | 248 | - | 40 | 387.5 | 16 | 1 | M27 | 330 | Class600 | 1/2 | 15 | 25 | 52 | 15 | - | 0.3 | 66.5 | 4 | 1/2 | M14 | 100 | 3/4 | 20 | 31.5 | 65 | 19 | - | 0.46 | 82.5 | 4 | 5/8 | M16 | 110 | / | 25 | 35.5 | 72 | 24 | - | 0.6 | 89.0 | 4 | 5/8 | M16 | 120 | 1 1/4 | 32 | 40 | 81 | 31 | - | 0.8 | 98.5 | 4 | 5/8 | M16 | 130 | 1 1/2 | 40 | 45 | 94 | 39 | - | 1.5 | 114.5 | 4 | 3/4 | M20 | 140 | 2 | 50 | 56 | 110 | 48 | - | 2.4 | 127.0 | 8 | 5/8 | M16 | 150 | 2 1/2 | 65 | 63 | 128 | 63 | - | 3.0 | 149.0 | 8 | 3/4 | M20 | 170 | 3 | 80 | 71 | 147 | 78 | - | 4.0 | 168.5 | 8 | 3/4 | M20 | 190 | 4 | 100 | 80 | 191 | 98 | - | 5.5 | 216.0 | 8 | 3/4 | M24 | 200 | 5 | 125 | 110 | 239 | 123 | - | 13 | 267.0 | 8 | 3/4 | M27 | 240 | 6 | 150 | 125 | 264 | 148 | - | 22 | 292.0 | 12 | 3/4 | M27 | 290 | 8 | 200 | 160 | 318 | 198 | - | 36 | 349.0 | 12 | 7/8 | M30 | 350 | 10 | 250 | 180 | 398 | 248 | - | 40 | 432.0 | 16 | 1 | M33 | 370 | Class900 | 1/2 | 15 | 25 | 62 | 25 | 15 | 0.6 | 82.5 | 4 | 3/4 | M20 | 125 | 3/4 | 20 | 31.5 | 69 | 30 | 19 | 0.9 | 89.0 | 4 | 3/4 | M20 | 135 | 1 | 25 | 35.5 | 77 | 36 | 24 | 1.2 | 101.5 | 4 | 7/8 | M24 | 155 | 1 1/4 | 32 | 40 | 87 | 43 | 31 | 1.5 | 111.0 | 4 | 7/8 | M24 | 160 | 1 1/2 | 40 | 45 | 97 | 52 | 39 | 2.0 | 124.0 | 4 | 1 | M27 | 175 | 2 | 50 | 56 | 140 | 62 | 48 | 5.5 | 165.0 | 8 | 7/8 | M24 | 195 | 2 1/2 | 65 | 63 | 162 | 75 | 62 | 7.5 | 190.5 | 8 | 1 | M27 | 215 | 3 | 80 | 71 | 165 | 90 | 76 | 8 | 190.5 | 8 | 7/8 | M24 | 210 | 4 | 100 | 80 | 204 | 112 | 95 | 14 | 235.0 | 8 | 1 1/8 | M30 | 245 | 5 | 125 | 110 | 245 | 125 | 110 | 27 | 279.5 | 8 | 1 1/4 | M33 | 290 | 6 | 150 | 125 | 286 | 150 | 127 | 41 | 317.5 | 12 | 1 1/8 | M30 | 310 | 8 | 200 | 160 | 356 | 200 | 165 | 76 | 393.5 | 12 | 1 3/8 | M36 | 375 | |