高温高压安全阀 本阀门适用于工作温度“c型"≤425℃;“i型"≤500℃;“v型"≤500℃;的蒸汽等介质设备或管路上,作为超压保护装置。连接法兰标准按jb/t……94系列1、系列2。 主要零部件材料 no. | 零件名称 | c型材料 | i型材料 | v型材料 | 1 | 阀体 | wcb | zg1cr5mo | zg15cr1mo1v | 2 | 阀座 | 2cr13 | 1cr18ni9ti | 12cr1mova | 3 | 调节圈 | 2cr13 | 1cr18ni9ti | 1cr18ni9ti | 4 | 阀瓣 | 2cr13 | 17-4ph | 17-7ph | 5 | 导向套 | 2cr13 | 1cr18ni9ti | 1cr18ni9ti | 6 | 散热器 | zg230-450 | zg230-450 | zg230-450 | 7 | 阀盖 | zg230-450 | zg230-450 | zg230-450 | 8 | 弹簧 | 50crva | 50crva | 50crva |
■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 | g3 | g2 | b1 | f" | f1" | z1-?d1 | l | l1 | ≈h | yfa48y-16c yfa48y-16i yfa48y-16v | 40 | 25 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 50 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 120 | 115 | 540 | 50 | 32 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 65 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 135 | 120 | 618 | 65 | 40 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 80 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 140 | 710 | 80 | 50 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 100 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 160 | 150 | 730 | 100 | 65 | 220 | 180 | | 155 | 20 | 3 | | 8-18 | 150 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 225 | 175 | 892 | 150 | 100 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 200 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 235 | 1135 | 200 | 125 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 210 | 1135 | yfa48y-40 yfa48y-40i yfa48y-40v | 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 110 | 95 | 429 | 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 115 | 100 | 421 | 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 50 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 120 | 115 | 540 | 50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 65 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 135 | 120 | 618 | 65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 140 | 710 | 80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 100 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 160 | 150 | 730 | 100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 150 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 225 | 175 | 892 | 150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 200 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 235 | 1135 | 200 | 125 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 310 | 1135 | yfa48y-64 yfa48sb-64 yfa48y-64i yfa48sb-64i yfa48y-64v yfa48sb-64v | 25 | 16 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | 32 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 110 | 100 | 429 | 32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 40 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 130 | 110 | 421 | 40 | 25 | 170 | 125 | 76 | 95 | 24 | 3 | 4 | 4-23 | 50 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 135 | 120 | 540 | 50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 65 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 160 | 130 | 618 | 50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 160 | 145 | 710 | 65 | 40 | 205 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 175 | 160 | 710 | 80 | 50 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | 100 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 175 | 160 | 730 | 100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 125 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-25 | 220 | 200 | 800 | 100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 150 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 220 | 200 | 892 | 150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | 200 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 280 | 280 | 1135 | 200 | 125 | 405 | 345 | 260<;/d |
安全阀系列 a48y-16c弹簧全启式安全阀(法兰连接 sfa72w-10p/10r真空负压安全阀 gya系列液压安全阀 ax46f(y)-16-100先导式安全阀 ga41h-16c/25/40 a51h-16c/25/40单杠杆安全阀 ga44h-16c/25/40 ga44h-64双杠杆安全阀 a49h主安全阀 a40y带散热器弹簧全启式安全阀 sfa48y高温高压安全阀电站用 a42y-1000全启式超高压安全阀 ay42h、ya802y型安全溢流阀 a61h-160-320弹簧微启式高压安全阀焊接式 aq系列空压机安全阀 a28h/w-16-40带手柄弹簧全启式安全阀 a27h型/w弹簧微启式安全阀 a21f、a21h、a21y弹簧微启式外螺纹安全阀 wa42y波纹管平衡式安全阀 a38y-16c/25/40双联弹簧式安全阀 平行式安全回流阀 液化石油气安全阀、安全回流阀 a42y弹簧全启封闭式安全阀 a47h/w带扳手弹簧微启式安全阀 弹簧全启封闭式高压安全阀 弹簧微启封闭式高压安全阀 弹簧微启封闭式安全阀 a42y-16c ;dn350大口径安全阀  ; ; 安全阀使用要求及技术指标 安全阀 安全阀与泄放阀的概述、定义与区别 安全阀标准汇总 国内安全阀主要厂家比较及连接尺寸的选择 弹簧式安全阀使用基本知识 |