Proportional Solenoid Controlled Pilot Valve Without Position Feedback

1- Pilot type without displacement electrical feedback
2- electronic control blank: external type amplifier plate; E: Integrated amplifier plate
3- Nominal size 10:10 size; 16:16 size; 25:25 path;
4- Slide column function See slide column function table
5- Nominal flow 
      10 diameter 25:25L/min; 50:50L/min; 80:80L/min
      16 diameter 100:100L/min; 150:150L/min
       25 diameter 220:220L/min; 325:325L/min
6- Throttling groove form
7- Design code
8- Power supply voltage blank: none (for 4WRZ); D24:DC24V(for 4WRZE)
9- electromagnet operation blank: no manual emergency operation; N9: Manual emergency operation with guard
10- Control form blank: internal control and internal leakage; E: external control and internal leakage; T: Internal control leakage; ET: External control leakage
11- Electrical connection 4WRZ Blank: with coil plug (PG11); K4: None
4WRZE blank: with amplifier plug; K31: None
12- Control instruction blank: for 4WRZ; A1: command value ±10V; F1: Instruction 4 to 20Ma
13- blank: no fixed pressure reducing valve; D3: With fixed pressure reducing valve
14- Sealing material blank: nitrile rubber; V: Fluorine rubber
15- More details

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