角式衬氟截止阀概述: 衬氟角式截止阀适用在-50~150℃的各种浓度的王水、流酸、盐酸、氢氟酸和各种有机酸、强酸、强氧化剂,还适用于各种浓度的强碱有机溶剂以及其它腐蚀性气体,液体介质的管路上使用. 角式衬氟截止阀执行标准: 设计规范:GB/T 12233 GB/T 12235 结构长度:GB/T 12221 连接法兰:JB/T 78 JB/T 79 试验与检验:GB/T 13927 产品标识:GB/T 12220 供货规范:JB/T 7928 角式衬氟截止阀性能规范: 衬里、阀座 | 适用温度(℃) | 适用介质 | PTFE(F4) | ≤180 | 除熔融碱金属、元素氟外的各种浓度的酸、碱、盐、王水、有机酸等强腐蚀性介质 | PCTFE(F3) | ≤120 | FEP(F46) | ≤150 | PFA(可熔性F4) | ≤180 | PVDF(F2) | ≤100 | RPTFE(RF4) | ≤180 | 角式衬氟截止阀主要零件: 序号 | 零件名称 | 灰铸铁 | 铸钢 | 不锈耐酸铸钢 | 超低碳不锈耐酸铸钢 | Z | C | P | R | PL | RL | 1 | 阀体/阀盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M | 2 | 球体/阀杆 | 25 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 | 3 | 衬里/阀座 | PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO | 4 | 填料压盖 | WCB | CF8 | CF8M | CF3 | CF3M | 5 | 填料 | PTFE(F4) | PTFE(F4) | PTFE(F4) | 6 | 活节螺栓 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 7 | 阀杆螺母 | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | 8 | 紧固螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | 9 | 螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 10 | 手柄 | WCB | WCB | WCB | 角式衬氟截止阀主要外形和连接尺寸 公称通经 | L | D | D1 | D2 | f | b | Z-φd | DN(mm) | NPS(inch) | PN1.0MPa | 15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | 20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | 40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | 80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 4-φ18 | 100 | 4 | 175 | 215 | 180 | 155 | 3 | 22 | 8-φ18 | 125 | 5 | 200 | 245 | 210 | 185 | 3 | 24 | 8-φ18 | 150 | 6 | 225 | 280 | 240 | 210 | 3 | 24 | 8-φ23 | 200 | 8 | 275 | 335 | 295 | 265 | 3 | 26 | 8-φ23 | 250 | 10 | 325 | 390 | 350 | 320 | 3 | 28 | 12-φ23 | 300 | 12 | 375 | 440 | 400 | 368 | 4 | 28 | 12-φ23 | PN1.6MPa | 15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | 20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | 40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | 80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 8-φ18 | 100 | 4 | 175 | 215 | 180 | 155 | 3 | 24 | 8-φ18 | 125 | 5 | 200 | 245 | 210 | 185 | 3 | 26 | 8-φ18 | 150 | 6 | 225 | 280 | 240 | 210 | 3 | 28 | 8-φ23 | 200 | 8 | 275 | 335 | 295 | 265 | 3 | 30 | 8-φ23 | PN2.5MPa | 15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 16 | 4-φ14 | 20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | 40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | | |