POWERFLOW CONTROL CO,. LTD.
Hangzhou Powerflow Technology Co., Ltd. Expertise in Flow Control.
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1. Description
Valve is closed(open)with spring force, when the piston is actuated by compressed air, valve is open(closed). For the double acting type, the valve is open and closed by compressed air.
2. Technical Data
| Fuild Pressure | Max 1.6MPa(232psi) |
| Control Pressure | 0.3-0.8MPa(43.5-116psi) |
| Control Fluid | Neutral gas, Air |
| Body Material | CF8M/CF8 |
| Seals Material | CF8 |
| Actuator Size | 40mm, 50mm, 63mm, 90mm, 125mm |
| Applicable Fluid | Water, Alcohol, Oil, Fuel, Steam, Neutral gas or liquid, Organic solvent, Acid and lye |
| Fluid Viscosity | Max 600 mm²/s |
| Fluid Temp. | -10-180℃; 25-220℃ |
| Ambient Temp. | -10-80℃ |
| Control Type | Normal-close, Normal-open, Double-acting |
| Connection | Thread(BSP, BSPT, NPT), Welded, Flanged, Tri-clamp |
4. Pressure data sheet
| Size | Thread end | Orifice(mm) | Kv(m²/h) | Actuator(mm) | ▲P(MPa) | Control Pressure(MPa) |
|---|---|---|---|---|---|---|
| DN10 | G3/8'' | 13 | 3.8 | 40 | 0-1.6 | 0.2-0.5 |
| 50 | 0-1.6 | 0.2-0.4 | ||||
| DN15 | G1/2'' | 13 | 4.7 | 40 | 0-1.6 | 0.2-0.5 |
| 50 | 0-1.6 | 0.2-0.4 | ||||
| DN20 | G3/4'' | 18 | 9.5 | 50 | 0-1.2 | 0.2-0.6 |
| DN25 | G 1'' | 24 | 18.1 | 50 | 0-1.3 | 0.2-0.6 |
| 63 | 0-1.6 | 0.25-0.5 | ||||
| DN32 | G1-1/4'' | 31 | 23.1 | 63 | 0-1.3 | 0.25-0.6 |
| DN40 | G1-1/2'' | 35 | 32.9 | 63 | 0-0.7 | 0.25-0.6 |
| 90 | 0-1.6 | 0.3-0.35 | ||||
| DN50 | G 2'' | 45 | 52.8 | 63 | 0-0.5 | 0.25-0.6 |
| 90 | 0-1.2 | 0.25-0.6 | ||||
| DN65 | G 2.5'' | 61 | 82.6 | 90 | 0-0.75 | 0.25-0.5 |
| 125 | 0-1.4 | 0.25-0.7 | ||||
| DN80 | G 3'' | 80 | 127 | 125 | 0-1.2 | 0.25-0.7 |
Suitable for long time valve open demand; avoid water hammer. Taking off the silencer, valve could be changed to double acting-NO type.
5. Selection
