reliable 2/2 way normally closed control for air, water, and oil. These versatile brass body valves operate from zero pressure differential, offering fast response. Ideal for diverse industrial and general-purpose applications (G1/8″-G1″+ ports). Choose from NBR, VITON, or EPDM seals for broad media compatibility.
| Model | PU220-01AR | PU220-02AR | PU220-03AR | PU220-03A | PU220-04AR | PU220-04A | PU220-06A | PU220-08A |
| Working Medium | Air, Water, Oil | |||||||
| Motion Pattern | 220: Direct Drive Type / 225: Guid Type | |||||||
| Type | Normal Close Type | |||||||
| Aperture of Flow Rate(mm) | 1.5 | 2.3 | 8 | 13 | 8 | 13 | 20 | 25 |
| CV Value | 0.10 | 0.18 | 1.00 | 4.00 | 0.10 | 4.00 | 8.60 | 11.00 |
| Joint Pipe Bore | G1/8″ | G1/4″ | G3/8″ | G3/8″ | G1/2″ | G1/2″ | G3/4″ | G1″ |
| Operation Fluid Viscosity | 50 CST | |||||||
| Working-pressure MPa | 0~0.7MPa | |||||||
| Max. Pressure Resistance | 1.05MPa | |||||||
| Operating Temperature ℃ | -5~+80℃ | |||||||
| NO | Name |
| 1 | Body Of Value |
| 2 | Assembly of Diaphragm |
| 3 | O-ring |
| 4 | Assembly Of Iron Core |
| 5 | Assembly Of Iron Core |
| 6 | Spring |
| 7 | Coil |
| 8 | Gasket |
| 9 | Nut |
| Model | Bore | A | B | C |
| PU220-01 | G1/8″ | 22 | 72 | 22 |
| PU220-02 | G1/4″ | 35 | 75.5 | 25.4 |
| PU220-03 | G3/8″ | 55 | 79.5 | 30 |
| PU220-04 | G1/2″ | 66.5 | 101 | 48 |
| PU220-06 | G3/4＂ | 71 | 107 | 48 |
| PU220-08 | G1＂ | 96 | 120 | 70 |
| NO | Name |
| 1 | Body Of Value |
| 2 | Assembly of Diaphragm |
| 3 | O-ring |
| 4 | Assembly Of Iron Core |
| 5 | Assembly Of Iron Core |
| 6 | Spring |
| 7 | Coil |
| 8 | Gasket |
| 9 | Nut |
| Model | Bore | A | B | C |
| PU220-01 | G1/8″ | 22 | 72 | 22 |
| PU220-02 | G1/4″ | 35 | 75.5 | 25.4 |
| PU220-03 | G3/8″ | 55 | 79.5 | 30 |
| PU220-04 | G1/2″ | 66.5 | 101 | 48 |
| PU220-06 | G3/4＂ | 71 | 107 | 48 |
| PU220-08 | G1＂ | 96 | 120 | 70 |
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