ECO 80 Valve Danfoss The ECO 80 LS is a hydraulic load sensing proportional valve group designed to give maximum flexibility in design and build concept.
General Features :
- Load sensing directional control :
- Proportional control of oil flow to a work function
- Modular build concept :
- Up to 12 basic modules per ECO 80 LS valve group.
- Different, interchangeable spool variants.
- System pressure up to 280 bar.
- Work port pressure up to 320 bar.
- Compact design and installations.
Technical data ECO 80 LS :
- Maximum pressure :
- Port P, A/B continuous : 280 bar
- Port A/B intermittent : 320 bar
- Port T, static / dynamic : 25/40 bar
- Oil flow rated :
- Port P : 80 L/min
- Port A/B : 80 L/min
- Spool travel, standard : -+ 5 mm
- Dead band, flow control spools : -+ 1.5 mm
- Maximum internal leakage at 70 bar and 32 mm2/s :
- A/B > T, without shock valve : 15 cm3/min
- A/B > T, with shock valve : 20 cm3/ min
- Oil temperature {inlet temperature} :
- Recommended temperature : 30 > 60c
- Minimum temperature : -30c
- Maximum temperature : + 90c
- Ambient Temperature : – 30 > 60c
- Oil viscosity :
- Operating range : 12 – 75 mm2/s
- Minimum viscosity : 4 mm2/s
- Maximum viscosity : 460 mm2/s
- Filtration/maximum contamination according to ISO 4406 : 23/19/16