383
E 7.555.9/03.12
Pressure Filter DF...M A,
DF...Q E, DF...MHA, DF...MHE
Flange Mounted
up to 550 l/min, up to 315 bar
1. TECHNICAL
SPECIFICATIONS
1.1 FILTER HOUSING
Construction
The lter housings are designed
in accordance with international
regulations. They consist of a lter
head and a screw-in lter bowl.
Standard equipment:
mounting holes in the lter head
two-piece bowl for size DF...990 and
above (optional for size DF...660)
drain screw with pressure relief
(standard for size DF...330 and above)
1.2 FILTER ELEMENTS
HYDAC lter elements are validated
and their quality is constantly
monitored according to the following
standards:
ISO 2941
ISO 2942
ISO 2943
ISO 3724
ISO 3968
ISO 11170
ISO 16889
Contamination retention capacities in g
Betamicron
®
(BN4HC)
DF... 3 µm 5 µm 10 µm 20 µm
30 4.6 5.1 5.4 5.6
60 6.5 7.3 7.8 8.0
110 13.8 15.5 16.4 16.9
140 18.1 20.3 21.5 22.2
160 19.8 22.2 23.5 24.3
240 32.3 36.3 38.4 39.6
280 70.6 79.3 83.9 86.6
330 47.2 53.1 56.1 57.9
500 76.9 86.5 91.5 94.4
660 102.2 114.9 121.5 125.4
990 154.5 173.7 183.7 189.5
1320 209.9 236.0 249.6 257.5
Betamicron
®
(BH4HC)
DF... 3 µm 5 µm 10 µm 20 µm
30 3.0 2.9 3.2 3.7
60 4.6 4.5 5.0 5.7
110 10.1 9.9 10.9 12.4
140 13.3 13.0 14.3 16.3
160 12.9 12.6 13.9 15.9
240 21.6 21.1 23.2 26.5
280 48.1 47.1 51.8 59.1
330 34.6 33.9 37.2 42.5
500 57.5 56.3 61.8 70.5
660 76.8 75.2 82.6 94.3
990 111.8 109.4 120.2 137.2
1320 153.8 150.7 165.5 188.8
Filter elements are available with the
following pressure stability values:
Betamicron
®
(BN4HC): 20 bar
Betamicron (BH4HC): 210 bar
Wire mesh (W/HC): 20 bar
Stainless steel bre (V): 210 bar
1.4 SEALS
NBR (= Perbunan)
1.5 INSTALLATION
As pressure lter for ange mounting
1.6 SPECIAL MODELS AND
ACCESSORIES
Bypass valve built into the head,
separate from the main ow
Seals in FPM, EPDM
Test and approval certicates
1.7 SPARE PARTS
See Original Spare Parts List
1.8 FATIGUE STRENGTH
1.3 FILTER SPECIFICATIONS
Nominal pressure DF...M A/MHA/MHE: 250 bar
DF...Q E: 315 bar
Fatigue strength 10
6
cycles (DF...M A/DF...Q E)
1 0
8
cycles (DF...MHA/DF...MHE)
from 0 to nominal pressure
(for other pressures, see graph, Point 1.8)
Temperature range -10 °C to +100 °C
(-30 °C to -10 °C: p
max
= 0.5 x nom. press.)
Material of lter head EN-GJS-400-15 (DF...M A/DF...Q E)
ADI (DF...MHA/DF...MHE)
Material of lter bowl Steel
Type of clogging indicator VD (differential pressure measurement
up to 420 bar operating pressure)
Pressure setting of the clogging indicator 5 bar (others on request)
Cracking pressure of bypass (optional) 6 bar (only DF...M A / Q E)
Symbol for hydraulic systems
E 7.555.9/03.12
DF...M A
60
110
140
160
240
280
DF...MHA
160
240
280
DF...MHE
330
500
660 1.X
660 2.X
990
1320
DF...Q E
30
60
110
140
160
240
280
330
500
660 1.X
660 2.X
990
1320
1.9 CERTIFICATES AND APPROVALS
On request
1.10 COMPATIBILITY WITH
HYDRAULIC FLUIDS ISO 2943
Hydraulic oils H to HLPD DIN 51524
Lubrication oils DIN 51517, API,
ACEA, DIN 51515, ISO 6743
Compressor oils DIN 51506
Biodegradable operating uids VDMA
24568 HETG, HEES, HEPG
Fire-resistant uids HFA, HFB, HFC
and HFD
Operating uids with high water
content (>50% water content) on
request
DF...M A
DF...Q E
DF...MHA-MHE
VA = clogging indicator