不锈钢管道离心泵120型合金对碳化硅四氟机械密封特点：
120系列是从BGM3系列演化而来,依靠弹簧尾端钩钉传动,结构简单,安装方便,但使用应注意旋转方向.它常用于化工泵,污水泵和潜水泵中。
◎ 材料组合
密封端面: 石墨、碳化硅、碳化钨、氧化铝
辅助密封: 丁腈胶、氟橡胶、乙丙胶、PTFE
金属构件: 不锈钢
◎ 运行参数
规 格: 18～80 mm
压 力: ≤1.0 Mpa
温 度: -20～180℃
线 速 度: ≤15 m/s
轴向窜动量: ±1.0 mm
120型合金对碳化硅四氟机械密封尺寸
型号规格/尺寸 | d | d1 | d2 | D | D1 | L | L1 | L2 | L3 | L4 | L5 |
120-18 | 18 | 21 | 32 | 33 | 27 | 43.0 | 36.0 | 19 | 5.0 | 3.5 | 7.5 |
120-20 | 20 | 23 | 34 | 35 | 29 | 43.5 | 36.5 | 19 | 5.0 | 3.5 | 7.5 |
120-25 | 25 | 28 | 39 | 40 | 34 | 47.0 | 40.0 | 19 | 5.0 | 3.5 | 7.5 |
120-28 | 28 | 31 | 42 | 43 | 37 | 47.0 | 40.0 | 19 | 5.0 | 3.5 | 7.5 |
120-30 | 30 | 33 | 44 | 45 | 39 | 50.0 | 43.0 | 19 | 5.0 | 3.5 | 7.5 |
120-35 | 35 | 36 | 49 | 50 | 44 | 53.0 | 46.0 | 19 | 5.0 | 3.5 | 7.5 |
120-40 | 40 | 44 | 57 | 58 | 51 | 57.0 | 50.0 | 20 | 5.0 | 3.5 | 9.0 |
120-45 | 45 | 50 | 62 | 63 | 56 | 61.0 | 54.0 | 20 | 5.0 | 3.5 | 9.0 |
120-50 | 50 | 55 | 69 | 70 | 62 | 62.0 | 55.0 | 22 | 6.5 | 3.5 | 9.5 |
120-55 | 55 | 60 | 74 | 75 | 67 | 64.0 | 57.0 | 22 | 6.5 | 3.5 | 11.0 |
120-60 | 60 | 65 | 79 | 80 | 72 | 65.0 | 58.0 | 22 | 6.5 | 4.0 | 11.5 |
120-65 | 65 | 71 | 84 | 85 | 77 | 67.0 | 60.0 | 23 | 6.5 | 4.0 | 11.5 |
120-70 | 70 | 76 | 91 | 92 | 83 | 70.0 | 63.0 | 25 | 6.5 | 4.0 | 11.5 |
120-75 | 75 | 80 | 97 | 97 | 88 | 72.0 | 65.0 | 25 | 6.5 | 5.5 | 11.5 |
120-80 | 80 | 87 | 104 | 105 | 95 | 72.0 | 65.0 | 25 | 6.5 | 5.5 | 12.0 |
