8 | Appendix
HYDAC FILTER SYSTEMS GMBH
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MoWa OLFP-3-6 3819798a en-us
8.2.2 Differential pressure indicator, visual – VM x BM.x
The optical differential pressure gauge reacts to the increasing
pressure difference at the increasing contamination level of the
filter element.
30
Fig. 21:
Differential pressure gauge, visual VM x BM.x
Type of indication
Visual display by green-red
field,
manual reset
Weight
55 g
Response pressure and indi-
cation range respectively
VM 2 BM.x = 2 bar -10%
VM 3 BM.x = 3 bar -10%
VM 5 BM.x = 5 bar -10%