产品说明：
球阀是手动调节的截止阀，适用于双向流动，用于冷冻、冷藏和空气调节装置的液体、吸气和热气管路上，阀座与密封处具有很好的密封性，球阀为直通型，可提供最大的流量，同时该阀的工作温度范围宽，球阀配有一个带二次密封的密封帽。
外形尺寸
| 型号 | A | C | D | d | E | F | K | M | J | H | L |
| LFBV-6s | 57 | 6 | 6.5 | 10 | 14 | 0 | 32.5 | M4 | 20 | 44 | 110 |
| LFBV-10s | 65 | 8 | 10.1 | 10 | 14 | 0 | 32.5 | M4 | 26 | 44 | 126 |
| LFBV-12s | 67 | 10 | 12.8 | 12 | 14 | 0 | 32.5 | M4 | 26 | 44 | 130 |
| LFBV-10 | 73 | 9 | 10.1 | 16 | 14.5 | 2 | 38 | M4 | 30 | 50 | 138 |
| LFBV-12 | 83 | 10 | 12.8 | 16 | 14.5 | 2 | 38 | M4 | 30 | 50 | 159 |
| LFBV-16 | 83 | 12 | 16.1 | 16 | 14.5 | 2 | 38 | M4 | 30 | 50 | 159 |
| LFBV-19 | 97 | 14 | 19.1 | 19 | 16.5 | 3 | 42 | M4 | 36 | 58 | 185 |
| LFBV-22 | 96 | 17 | 22.3 | 22 | 19 | 3 | 43 | M4 | 36 | 58 | 185 |
| LFBV-28 | 108 | 20 | 28.7 | 28 | 24 | 4 | 52.5 | M4 | 44 | 66 | 208 |
| LFBV-35 | 130 | 25 | 35.2 | 35 | 30 | 5 | 64 | M6 | 44 | 80 | 251 |
| LFBV-42 | 145 | 29 | 41.5 | 41.3 | 35 | 6 | 74 | M6 | 56 | 87 | 281 |
| LFBV-54 | 157 | 35 | 54.2 | 54 | 45.5 | 9 | 83.5 | M6 | 56 | 106 | 305 |
| LFBV-67 | 157 | 37 | 67 | 54 | 45.5 | 9 | 83.5 | M6 | 63 | 106 | 305 |
| LFBV-79 | 157 | 40 | 79.6 | 54 | 45.5 | 9 | 83.5 | M6 | 63 | 106 | 305 |
| LFBV- 67A | 171 | 37 | 67 | 66.8 | 54 | 16 | 94 | M6 | 72 | 117 | 343 |
| LFBV-79A | 207 | 37 | 79.6 | 79.4 | 64 | 16 | 104 | M6 | 80 | 117 | 413 |
选型表
| 型号 | 规格 | 通径(mm) | Kv值(m³/h) | 型号 | 规格 | 通径(mm) | Kv值(m³/h) |
| LFBV-6S | 1/4(Φ6) | Φ10 | 2 | LFBV-28 | 1-1/8(Φ28) | Φ25 | 52.0 |
| LFBV-10s | 3/8(Φ10) | Φ10 | 5.7 | LFBV-35 | 1-3/8(Φ35) | Φ31 | 80 |
| LFBV-12s | 1/2(Φ12) | Φ10 | 5.7 | LFBV-42 | 1-5/8(Φ42) | Φ37 | 121 |
| LFBV-10 | 3/8(Φ10) | Φ14 | 5.7 | LFBV-54 | 2-1/8(Φ54) | Φ50 | 200 |
| LFBV-12 | 1/2(Φ12) | Φ14 | 10.6 | LFBV-67 | 2-5/8(Φ67) | Φ50 | 200 |
| LFBV-16 | 5/8(Φ16) | Φ14 | 14.1 | LFBV-79 | 3-1/8(Φ79) | Φ50 | 200 |
| LFBV-19 | 3/4(Φ19) | Φ16 | 20.4 | LFBV-67A | 2-5/8(Φ67) | Φ60.5 | 310 |
| LFBV-22 | 7/8(Φ22) | Φ19 | 28.2 | LFBV-79A | 3-1/8(Φ79) | Φ73 | 700 |
技术参数
| 常规 | 数值 |
| 适用制冷剂 | HCFC or HFC(客户选择) |
| 适用介质温度 | -40~+120°C |
| 最大工作压力 | 4.5MPa |
| 最大耐压压力 | 6.5MPa |
| 制冷剂年泄漏量 | ≤2g R22/a |
产品图片
