Grundfos DMH 25X Installatie- En Bedieningsinstructies pagina 16
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Zie ook voor DMH 25X:
- Installatie- en bedieningsinstructies (52 pagina's) ,
- Installatie- en bedieningsinstructies (10 pagina's) ,
- Installatie- en bedieningsinstructies (14 pagina's)
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Beschikbare talen
Beschikbare talen
3b
3a
2
Fig. 6
DMH 257
Pos.
Components
1p
Motor
2p
Worm gear
3p
Eccentric
4p
Return spring (not with drive size 3)
5p
Sliding sleeve
6p
Piston
7p
Crank
M
Combined pressure-relief and degassing valve
E
Degassing valve
9p
Diaphragm protection system (AMS)
Q
Dosing diaphragm
2
Dosing head
3a
Suction valve
3b
Discharge valve
L
Stroke-length adjustment knob
F
Oil-filling screw with dipstick
5.1.1 Combined pressure-relief and degassing valve
The combined pressure-relief and degassing valve (M) opens if
there is an excessive pressure build-up in the dosing system and
provokes the constant degassing of the hydraulic medium.
5.1.2 Diaphragm protection system AMS
The diaphragm protection system AMS (9p) has a keypad, which
is connected to the dosing diaphragm. The dosing diaphragm
oscillates freely in the dosing head and cannot be overstretched
due to a fault in the dosing system since the diaphragm protection
valve closes if such a fault occurs.
16
M
Q
9p
6p
5p
2p
3p
7p
1p
F
L
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