4
DIAGRAMS OF SHR-0 based on mineral oil ISO VG 46 at 50°C
Flow through check valve:
1 = A씮A1; B씮B1 of
SHR-012, SHR-013, SHR-014
2 = A1씮A; B1씮B of
SHR-012, SHR-013, SHR-014
3 = SHR-011, SHR-016
Differential pressure [bar]
Flow [l/min]
Flow [l/min]
Differential pressure [bar]
5
DIAGRAMS OF SKR-0 based on mineral oil ISO VG 46 at 50°C
Flow through check valve:
1 = A씮A1; B씮B1 of
SKR-012, SKR-013, SKR-014
2 = A1씮A; B1씮B of
SKR-012, SKR-013, SKR-014
3 = SKR-011, SKR-016
Differential pressure [bar]
Flow [l/min]
Flow [l/min]
Differential pressure [bar]
1
2
3
3
1
2
Mineral oils
Hydraulic fluid
NBR, FKM, HNBR
FKM
NBR, HNBR
DIN 51524
ISO 12922
HL, HLP, HLPD, HVLP, HVLPD
HFDU, HFDR
HFC
Suitable seals type
Classification Ref. Standard
Flame resistant without water
Flame resistant with water
3
MAIN CHARACTERISTICS, SEALS and HYDRAULIC FLUID - for other fluids not included in below table, consult our technical office
NBR seals (standard) = -20°C ÷ +80°C, with HFC hydraulic fluids = -20°C ÷ +50°C
Seals, recommended fluid temperature FKM seals (/PE option)= -20°C ÷ +80°C
HNBR seals (/BT option)= -40°C ÷ +60°C, with HFC hydraulic fluids = -40°C ÷ +50°C
Recommended viscosity 15÷100 mm
2
/s - max allowed range 2.8 ÷ 500 mm
2
/s
Fluid contamination class
ISO 4406 class 21/19/16 NAS 1638 class 10, achievable with in line filters - 25 mm (b10 _> 75 recommended)
Assembly position / location Any position
Subplate surface finishing Roughness index Ra 0,4 - flatness ratio 0,01/100 (ISO 1101)
MTTFd values according to EN ISO 13849 150 years, for further details see technical table P007
Standard execution = -30°C ÷ +70°C
Ambient temperature /PE option = -20°C ÷ +70°C
/BT option = -40°C ÷ +70°C