Proportional Control Valves
集成电控高精度高响应，实现流量精准实时反馈无级调节
4WRZ | E | 16 | -C2 | -125 | A | - 10 | - D24 | - ET | - K31 | -A1 | -D3 | -V | -** |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
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
16:460
| Maximum pressure | 315 | bar |
| Maximum flow | 10:170 16:460 25:870 | L/min |
| Working medium | In line with DIN51524 standard mineral oil (HL, HLP), other oil please consult our company | / |
Recommended viscosity range | 20 to 380mm2/s(30 to 46mm2/s is preferred) | / |
| Oil contamination degree | Pilot control valve: the highest pollution level according to NAS1638 class 7 or ISO4406 class 18/16/13 | / |
