Atos Valve DKE-1632/2-X 28DC 21

MAIN CHARACTERISTCS, SEALS AND HYDRAULICFLUIDS – for other fluids not included in below table, consult our technical office
Any position for all valves except for type – 170* (without springs) thatmust be installed with hori
Assembly position / location
zontal axis if operated by impulses
Subplate surface finishing
Roughness index Ra 0,4 – flatness ratio 001/100 (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
Ambient temperature
/BT option = -40°C +70°C
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 mmis – max allowed range 2.8 + 500 mm?/s
ISO 4406 class 21/19/16 NAS 1638 class 10, in line filters of 25um (B25 ≥75 recommended)
Fluid contamination class
Hydraulic fluid
Suitable seals type
Classification
Ref. Standard
DIN 51524
NBR, FKM. HNBR
HL, HLP, HLPD, HVLP, HVLPD
Mineral oils
FKM
HFDU, HFDR
Flame resistant without water
ISO 12922
HFC
Flame resistant with water
NBR, HNBR
Flow direction
As shown in the symbols of table 2
Operating pressure
Ports P,A,B: 350 bar;
Port T 210 bar for DC version (250 bar with option Y); 160 bar for AC vesion
Rated flow
See diagrams Q/Ap at section 6
Maximum flow
150 I/min, see operating limits at section 7