Rev. 1.4
Assembly Instructions - Micro Point Pulse Valve MPP-SPEED
Page 7 of 17
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
4.2 Technical Data of Incomplete Device
General Data
Dimensions (length x width x height) [mm]
39 x 20 x 75,5
Weight [g]
approx. 87g
Pressure range [bar]
up to 50
Viscosity range [mPa.s]
1-1000 / optional / heated: higher depending on medium
Valve stroke [mm]
0,1(Standard) 0,03/0,06/0,15
Life expectancy
up to 500 mio. cycles
Max. allowed coil temperature [°C]
90
Max. dosing frequency [Hz]
up to 400
Min. control time [µs]
400
Repetition accuracy [CV]
< 5%
Minimal grid width [mm]
6
Dosable media
greases, oils, paint, UV glue / others upon request
Energy supply
Voltage [VDC]
24
Power consumption heating [W]
14,4
Current consumption heating [mA]
600
Nominal current [A]
1
Holding current [mA]
100-200
Coil resistance [Ohm]
6
Coil inductance [mH] (valve coil mounted on
MPP)
0,8
Electrical connection
Soldering pins/300mm strand, tin-coated or with plug 2-
poles Molex Type 70066-176
Recommended peak current [VDC]
24 during 400 µs (current limitation required for higher volt-
ages)
Recommended hold current
0,2-0,3A / 1,2-2 VDC no time limit
4.3 Stress Test
Parameters:
-
Shot Number: 3000
-
Duration: 167sek.
-
Temperature: 90°
Hold-Voltage
Peak-Time 500µs
Peak-Time 800µs
Peak-Time 1000µs
10%
15%
20%
25%
30%
40%
50%
60%
70%
80%
85%
90%
95%
