Atos Valve DHA-0631/2P/M 24DC 26 /PE

MAIN CHARACTERISTICS, SEALS AND HYDRAULIC FLUID – for othher fluids not included in below table, consult our technical office
Assembly position / location
Any position for all valves except for type – 70 and 77 (without springs) at must be installed with
horizontal axis if operated by impulses
Subplate surface finishing
Roughness index Ra 0,4 – flatness ratio 00,01/100 (ISO 1101)
MTTFd values according to EN ISO 13849
150 years, for further details see technical table P007
Standard execution = -30°C + +70°C; /PE option = -20°C ++70°C; /BT option = -40°C +70°C
Ambient temperature
NBR seals (standard) = -20°C + +60°C, with HFC hydraulic fluids = 20°C+50°C
FKM seals (/PE option)= -20°C + +80°C
Seals, recommended fluid temperature
HNBR seals (/BT option)= -40°C + +60°C, with HFC hydraulic fluids = 40°C + +50°C
Recommended viscosity
15+100 mm?/s – max allowed range 2.8 – 500 mm?/s
Fluid contamination class
ISO 4406 class 21/19/16 NAS 1638 class 10, in line filters of 25 un(B25 ≥75 recommended)
Hydraulic fluid
Classification
Ref. Standard
Suitable seals type
NBR, FKM, HNBR
HL, HLP, HLPD, HVLP, HVLPD
DIN 51524
Mineral oils
FKM
HFDU, HFDR
Flame resistant without water
ISO 12922
NBR, HNBR
HFC
Flame resistant with water
Flow direction
As shown in the symbols of table 2
Ports P.A,B: 350 bar;
Operating pressure
Port T 120 bar
Rated flow
See diagrams Q/Ap at section 6
Maximum flow
60 I/min, see operating limits at section 7