升降式止回閥主要性能規范Chief propety and specification 試驗壓力(MPa)
Test pressure | 2.5 | 4.0 | 6.4 | 10.0 | MPa | 殼體強度試驗壓力
Shell strength test | 3.75 | 6.0 | 9.6 | 15.0 | MPa | 密封試驗(液)
Seal test | 2.75 | 4.4 | 7.04 | 11.0 | MPa | 密封試驗(氣)
Seal test | 0.5-0.7 | 適用介質
Applicable medium | c P R N
水、油品、蒸汽、硝酸類、醋酸類、液化氣
Water,oil,steam,Nitric AcidAcetricacid LPG | 適用溫度(℃）
Applicable temperature | ≤425 ≤100 -40~+80 |
結構長度 Face to face:GB12221-89 法蘭標準 flange STANDARD:jb79-59 升降式止回閥主要外形尺寸和連接尺寸(mm)Main external and connecting dimensions(mm) PN | DN | L | H | D | D1 | D2 | 312D6 | b | f | f1 | z-d | 2.5MPa | 15 | 130 | 100 | 95 | 65 | 45 | - | 16 | 2 | - | 4-14 | 20 | 150 | 105 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 25 | 160 | 120 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 32 | 180 | 130 | 135 | 100 | 78 | - | 18 | 2 | - | 4-18 | 40 | 200 | 135 | 145 | 110 | 85 | - | 18 | 3 | - | 4-18 | 50 | 230 | 149 | 160 | 125 | 100 | - | 20 | 3 | - | 4-18 | 80 | 310 | 169 | 195 | 160 | 135 | - | 22 | 3 | - | 8-18 | 100 | 350 | 194 | 230 | 190 | 160 | - | 24 | 3 | - | 8-23 | 150 | 480 | 255 | 300 | 250 | 218 | - | 30 | 3 | - | 8-25 | 200 | 600 | 305 | 360 | 310 | 278 | - | 34 | 3 | - | 12-25 | 4.0MPa | 15 | 130 | 100 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 | 20 | 150 | 105 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 25 | 160 | 120 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 32 | 180 | 130 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 40 | 200 | 135 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 50 | 230 | 149 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 480 | 310 | 169 | 195 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 100 | 350 | 194 | 230 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 150 | 480 | 255 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | 200 | 600 | 305 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 | 6.4MPa | 15 | 210 | 100 | 105 | 75 | 55 | 40 | 18 | 2 | 4 | 4-14 | 20 | 230 | 110 | 125 | 90 | 68 | 51 | 20 | 2 | 4 | 4-18 | 25 | 230 | 125 | 135 | 100 | 78 | 58 | 22 | 2 | 4 | 4-18 | 32 | 260 | 140 | 150 | 110 | 82 | 66 | 24 | 2 | 4 | 4-23 | 40 | 260 | 168 | 165 | 125 | 95 | 76 | 24 | 3 | 4 | 4-23 | 50 | 300 | 170 | 175 | 135 | 105 | 88 | 26 | 3 | 4 | 4-23 | 80 | 380 | 205 | 210 | 170 | 140 | 121 | 30 | 3 | 4 | 8-23 | 100 | 430 | 230 | 250 | 200 | 168 | 150 | 32 | 3 | 4.5 | 8-25 | 150 | 550 | 265 | 340 | 280 | 240 | 204 | 38 | 3 | 4.5 | 8-34 | 200 | 650 | 310 | 405 | 345 | 300 | 260 | 44 | 3 | 4.5 | 12-34 | 10.0PMa | 15 | 210 | 100 | 105 | 75 | 55 | 40 | 20 | 2 | 4 | 4-14 | 20 | 230 | 110 | 125 | 90 | 68 | 51 | 22 | 2 | 4 | 4-18 | 25 | 230 | 125 | 135 | 100 | 78 | 58 | 24 | 2 | 4 | 4-18 | 32 | 260 | 140 | 150 | 110 | 82 | 66 | 24 | 2 | 4 | 4-23 | 40 | 260 | 168 | 165 | 125 | 95 | 76 | 26 | 3 | 4 | 4-23 | 50 | 300 | 170 | 195 | 145 | 112 | 88 | 28 | 3 | 4 | 4-25 | 80 | 380 | 205 | 230 | 180 | 148 | 121 | 34 | 3 | 4 | 8-25 | 100 | 430 | 230 | 265 | 210 | 172 | 150 | 38 | 3 | 4.5 | 8-30 | 150 | 550 | 265 | 350 | 290 | 250 | 204 | 46 | 3 | 4.5 | 12-34 | 200 | 650 | 310 | 430 | 360 | 312 | 260 | 54 | 3 | 4.5 | 12-41 |
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