A38Y/A37Y/A43Y弹簧双联式安全阀 弹簧双联式安全阀适用于工作温度≤350℃的蒸汽、水等介质的设备和管路上。作为超压保护装置。连接法兰标准按JB/T......94的系列1 A38Y弹簧双联式安全阀、A43H弹簧双联式安全阀、A37H型双联安全阀是在Y型接头上装设两个同样规格的A48Y或A47H型安全阀而构成,其公称通径系列指Y型接头进口通径,其组合情况如下表: | | A38Y型 | 相应的A48Y型 | 50 | 32×2 | 80 | 50×2 | 100 | 65×2 | 150 | 100×2 | | A43Y型 | 相应的A47Y型 | 50 | 32×2 | 80 | 50×2 | 100 | 80×2 | 125 | 100×2 | 150 | 125×2 | | A37Y型 | 相应的A47Y型 | 50 | 32×2 | 80 | 65×2 | 100 | 80×2 | 125 | 100×2 | 150 | 125×2 | | | ■弹簧双联式安全阀外形尺寸和连接尺寸 型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-?d | DN' | D1 | K1 | g2 | b1 | f' | Z1-?d1 | L | L1 | L0 | h | H | A37H-16C A43H-16C | 50 | 25 | 165 | 125 | 100 | | 20 | 3 | | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 | 80 | 40 | 200 | 160 | 135 | | 20 | 3 | | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | 80 | 50 | 200 | 160 | 135 | | 20 | 3 | | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | 100 | 65 | 220 | 180 | 155 | | 22 | 3 | | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | 125 | 80 | 250 | 210 | 185 | | 22 | 3 | | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | 150 | 100 | 285 | 240 | 210 | | 24 | 3 | | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | A37H-25 A43H-25 | 50 | 25 | 165 | 125 | 100 | | 20 | 3 | | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 | 80 | 40 | 200 | 160 | 135 | | 22 | 3 | | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | 80 | 50 | 200 | 160 | 135 | | 22 | 3 | | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | 100 | 65 | 230 | 190 | 160 | | 24 | 3 | | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | 125 | 80 | 270 | 220 | 188 | | 28 | 3 | | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | 150 | 100 | 300 | 250 | 218 | | 30 | 3 | | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | A37H-40 A43H-40 | 50 | 25 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 32 | 140 | 100 | 78 | 16 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 | 80 | 40 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | 80 | 50 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | 100 | 65 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | 125 | 80 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | 150 | 100 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | A38Y-16C | 50 | 20 | 165 | 125 | 100 | | 20 | 3 | | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 | 80 | 32 | 200 | 160 | 135 | | 20 | 3 | | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | 100 | 40 | 220 | 180 | 155 | | 22 | 3 | | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | 150 | 80 | 285 | 240 | 210 | | 24 | 3 | | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | A38Y-25 | 50 | 20 | 165 | 125 | 100 | | 20 | 3 | | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 | 80 | 32 | 200 | 160 | 135 | | 22 | 3 | | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | 100 | 40 | 230 | 190 | 160 | | 24 | 3 | | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | 150 | 80 | 300 | 250 | 218 | | 30 | 3 | | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | A38Y-40 | 50 | 20 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 | 80 | 32 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | 100 | 40 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | 150 | 80 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | 尼威安全阀相关产品: A46F先导式安全阀 | A28H带手柄/弹簧全启式外螺纹安全阀 | A27H/带手柄弹簧微启式外螺纹安全阀 | NA42H、NA802Y型安全溢流阀 | A38Y/A37Y/A43Y弹簧双联式安全阀 | NWA72W真空负压安全阀 | GA41H、A51H型单杠杆安全阀 | GA44H双杠杆安全阀 | A48Y弹簧全启式安全阀 | A21F、A21H弹簧微启式外螺纹安全阀 | A42Y弹簧高压安全阀 | A41Y弹簧微启封闭式高压安全阀 | A42Y弹簧全启封闭式安全阀 | A40Y带散热器高温高压安全阀 | AHN42F平行式安全回流阀 | AH42F、A42F液化气安全阀,安全回流阀 | A48SB高温高压带散热器安全阀 | A47H弹簧微启式安全阀,蒸汽安全阀 | A41H弹簧微启封闭式安全阀 | A61H弹簧微启式高压安全阀 | AQ空压机安全阀 | |