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
|
工作压力
| 4.5MPa
|
耐压压力
| 6.5MPa
|
制冷剂年泄漏量
| ≤2g R22/a
|
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