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Union pipe dimension

| Series | Material | Temperature | Dim. A | Dim. B | Accessory O-Ring Material |
| FV-5269-331U3 | PVdF | 100°C | 16.2 | 20 | FKM |
| FV-5269-331U4 | PVC | 40°C | 16 | 22 | FKM |
| FV-5269-331U5 | CPVC | 80°C | 16 | 22 | FKM |
| FV-7279-631U3 | PVdF | 100°C | 21.2 | 25 | FKM |
| FV-7279-631U4 | PVC | 40°C | 20 | 26 | FKM |
| FV-7279-631U5 | CPVC | 80°C | 20 | 26 | FKM |
| Series | Series Number | Temperature | Orifice | Cv | Mounting Base | Body Material | Diaphragm Material | Connection |
| FV-5269-331Pi | 1/2" or equivalent | NC | φ12 | 1.6 | Flanged Mounting Base |
PFA | PTFE | Flowell 20 series |
| FV-5269-331Ci | 1/2" or equivalent | NC | φ12 | 1.6 | Flanged Mounting Base |
PFA | PTFE | Nippon Pillar super type |
| FV-5269-331U3 | 1/2" or equivalent | NC | φ12 | 1.6 | Flanged Mounting Base |
PFA | PTFE | PVdF union piping |
| FV-5269-331U4 | 1/2" or equivalent | NC | φ12 | 1.6 | Flanged Mounting Base |
PFA | PTFE | PVC union piping |
| FV-5269-331U5 | 1/2" or equivalent | NC | φ12 | 1.6 | Flanged Mounting Base |
PFA | PTFE | CPVC union piping |
| FV-7279-331Pi | 3/4 or equivalent |
NC | φ18 | 4.5 | Flanged Mounting Base |
PFA | PTFE | Flowell 20 series |
| FV-7279-331Ci | 3/4 or equivalent | NC | φ18 | 4.5 | Flanged Mounting Base |
PFA | PTFE | Nippon Pillar super type |
| FV-7279-631U3 | 3/4 or equivalent | NC | φ18 | 4.5 | Flanged Mounting Base |
PVdF | PTFE | PVdF union piping |
| FV-7279-631U4 | 3/4 or equivalent | NC | φ18 | 4.5 | Flanged Mounting Base |
PVdF | PTFE | PVC union piping |
| FV-7279-631U5 | 3/4 or equivalent | NC | φ18 | 4.5 | Flanged Mounting Base |
PVdF | PTFE | CPVC union piping |