Page 4 - Parker - L90LS Mobile directional control valve canadian build program

Technical Data

Pressures Load sense relief valves
Pump connection max. 320 bar (4600 psi) Setting range 40 - 320 bar (580-4600 psi)
Service ports max. 350 bar (5000 psi)
Tank connection max. 20 bar (290 psi) Internal pilot pressure
Fixed setting 35 (508 psi)**
Flow rates, recommended
Pump connection max. 200 l/min (50 US gpm) **other pressure available upon request
Service port, w/ p. comp max. 120* l/min (24 US gpm)
Service port, w/o p. comp max. 150* l/min (33 US gpm) Filtration
Return from service port max. 150 l/min (40 US gpm)
Filtration must be arranged so that Target
Contamination Class 20/18/14 according to ISO
Leakage from work port over spool
From A or B port 4406 is not exceeded. For the pilot circuit, Target
max. 30 cm3/min (1.83 cu.in/min) at 250 bar (3625 psi) Contamination Class 18/16/13 according to ISO 4406
oil temperature 50 °C (122 °F) and viscosity 30 mm2/s (cSt). must not be exceeded.

* Depending on spool variant. Conversion factors
1 kg = 2.2046 lb 1 cm³ = 0.061024 in³
1 N = 0.22481 lbf 1 m = 3.2808 feet
1 bar = 14.504 psi 1 mm = 0.03937 in
1 L = 0.26417 US gal 9/5 °C + 32 = °F
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