MA-RZGO Direct acting proportional pressure reducing valve
MA-RZGO-A No pressure sensor type
MA-RZGO-AES With integrated digital amplifier
1. Valve body 2. Small spool 3. Valve sleeve 4. Spool 5. Proportional electromagnet 6. Integrated digital amplifier
1. Overview of proportional valve products
MA-RZGO direct - acting three - way proportional pressure valve, valve secondary pressure and input electrical signal is proportional. These valves work through an electronic amplifier
Proportional electromagnet driving current. When the oil pressure in the working port exceeds the set value specified by the amplifier, the high pressure ACTS on the spool to make the oil flow from the working port
Go to the T exit. In order to achieve the stability of secondary working pressure.
MA-RZGO series proportional pressure reducing valve is composed of proportional electromagnet (5) valve sliding spool (4) and valve body (), valve sleeve (), small spool (), flow ratio
Smaller, can be used in a small flow system or as a pilot valve or proportional pump components. Such proportional relief valves may be optional with a pressure sensor and
Digital integrated amplifier to improve the dynamic and static performance of the valve.
2. Selection table of proportional overflow valve:
MA-RZGO-A MA-RZGO-AES MA-RZGO-TERS
|
Max adjust pressure bar
|
32
|
100
|
210
|
32
|
100
|
210
|
|
Min adjust pressure bar
|
0.8
|
0.8
|
0.8
|
0.8
|
0.8
|
0.8
|
|
P port max presure bar
|
315
|
|
T port max pressure bar
|
210
|
|
Max flow（ L/min ）
|
12
|
| Linearity (% of maximum regulated pressure) |
≤ 3
|
≤ 0.5
|
| Hysteresis (% of maximum regulated pressure) |
≤ 1.5
|
≤ 0.3
|
| Repeat accuracy (% of maximum pressure adjusted) |
≤ 2
|
≤ 0.2
|
| Response time when the signal varies from 0 to 100% (depending on test conditions) |
≤ 45ms
|
≤ 40 ms
|
| Amplifier type and plug |
(see pages 119-122) E200 (see pages 105-110)
|
Amplifier power supply 24VDC
4. This proportional valve working curve (oil temperature 45 ℃, 46 # anti-wear hydraulic oil)
4.1. Flow regulation curve
Pressure adjustment curve was measured at flow Q=1L/min
1.MA-RZGO-A MA--RZGO-AES .MA--RZGO-TERS
4.2 pressure/flow curve
When flow Q=1L/min and various pressure setting values:
3.MA--RZGO-A MA--RZGO-AES 4.MA--RZGO-TERS
4.3 minimum pressure flow curve measured at "0" input signal:
5.MA--RZGO-A MA--RZGO-AES 6. MA--RZGO-TERS
MA-RZGO-A Installation size:
MA-RZGO-A pressure sensorless type
Installation interface dimensions in accordance with ISO4401-ab0304 standard 6 diameter
Fastening screws: 4 M5*50 hexagon socket screws, class 12.9
Oil port diameter: P,T=6mm (maximum)
MA-RZGO-AES With integrated digital amplifier
Installation interface dimensions in accordance with ISO4401-AB-03-4 standard 6 diameter
Fastening screws: 4 M5*50 hexagon socket screws, class 12.9
Oil port diameter: P,T=6mm (maximum)
Pressure switch
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