When we choose the electric control valve, we need know Electric Control Valve medium parameters,Electric Control Valve body parameters,Electric Control Valve Actuator parameters, then we can choose the suitable control valve for the clients.
The following format is about how to choose electric control valve.Electric control valve technical parameter instruction:
| 【Form1】Electric Control Valve Medium Parameters | |||||
| No. | Name | Actual Parameters | Examples | ||
| 1 | Medium Name for control valve | Fuel Gas/Water/Steam | |||
| 2 | Flow | Liquid (m3/h) | Max. | ||
| Gas (Nm3/h) | Normal | ||||
| Steam (kg/h) | Min. | ||||
| 3 | Design Pressure (Mpa.G) | ||||
| 4 | Operate Temp (℃) | ||||
| 5 | Inlet Pressure (MPa.G) | ||||
| 6 | Outlet Pressure (MPa.G) | ||||
| 7 | Operating density (kg/m3) | ||||
| 【Form2】Electric Control Valve Medium Parameters | |||||
| 8 | Control Valve Type | Single seat Control Valve Cage guided control valve Fluorine lined control valve 3 way control valve |
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| 9 | Nominal Diameter (mm) | DN25-DN300 | |||
| 10 | Nominal Pressure (bar) | PN16/PN25/PN40/PN64/PN100 | |||
| 11 | Flow Characteristics | Approximate Equal Percentage Linear |
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| 12 | Material of control Valve body and cover | WCB/CF8/CF8M | |||
| 13 | Material of control Valve inside parts | 304/316 | |||
| 14 | Connection Type | HG/T20592 -09 PL300-16 RF 20# | |||
| 【Form3】Electric Control Valve Actuator Parameters | |||||
| 15 | Control valve actuator Type | Electronic Type Electric Actuators | |||
| 16 | Protection class | IP65/IP67/IP68 | |||
| 17 | The Handwheel Device | Need(Top or size) | |||
| 18 | Control Signal | 4～20mA DC | |||
| 19 | Explosion levels | ExdⅡCT4/NO Need | |||
| 20 | Electrical Interface | NPT 1/2 | |||
