力士乐比例换向阀(6)

力士乐 比例换向阀

Technical data

general

Installation position Any, preferably horizontal Storage temperature range °C –20 … +50Ambient temperature range °C –20 … +60 Weight, maximum

Size 10kg 10Size 16kg 16Size 25kg 21Size 32

kg 45

Surface protection

Galvanized coating

hydraulic

Size

Size

10

16

25

32

Operating pressure range

Pilot control valve Pilot oil supply external or internal

bar 30 … 31530 … 35030 … 35030 … 350Main valve bar Up to 315Up to 350Up to 350Up to 350Return flow pressure

Port T

(external pilot oil return)bar Up to 315Up to 250Up to 250Up to 150Port T

(internal pilot oil return)bar Up to 30Up to 30Up to 30Up to 30Port Y

bar Up to 30Up to 30Up to 30Up to 30Pilot volume

for switching process 0 → 100 %cm 3 1.7 4.61026.5Pilot flow at port X and Y

with stepped input signal 0 → 100 %l/min 3.5 5.5715.9Flow of the main valve l/min

Up to 170

Up to 460

Up to 870

Up to 1600

Hydraulic fluid

Mineral oil (HL, HLP) according to DIN 51524 Additional hydraulic fluids upon request!

Ignition temperature > 180 °C

Hydraulic fluid temperature range °C –20 ... +80 (NBR seals)°C –15 ... +80 (FKM seals)Viscosity range

mm 2/s

20 ... 380 (preferably 30 ... 46)

Maximum admissible degree of contamination of the hydraulic fluid

Class 17/15/12 1)Cleanliness class according to ISO4406 (c)Pilot control valve Main valve Class 18/16/13 1)

Hysteresis

%

≤ 6

1) The cleanliness classes specified for the components

must be adhered to in hydraulic systems. Effective filtra-tion prevents faults and at the same time increases the life cycle of the components. For the selection of the filters see /filter.