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50CB30-11A TYPE Counterbalance Valve

Series of pictures

Cartridge type external pilot operated counterbalance valves are mainly used to balance the pressure in the hydraulic system and can control the flow of the liquid circuit.

Rated pressure (bar / psi) : 350 / 5000

Rated flow (L/min / gpm) : 30 / 7.9

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Series advantages

  • Standard

  • Internal oil drain

  • Pilot control

  • Compact

  • High reliability ·More durable

Technical specifications

Rated   pressure 350 bar (5000 psi)
Rated   flow 30 L/min(7.9 gpm)
Adjustment   pressure range 70-350 bar
Pilot   ratio 2.5:1;5:1;10:1
Internal   leakage ≤ 5 drops/min @ 80% of pressure   setting
Cavity T-11A (See technical reference)
Fluid Mineral-based or synthetics with   lubricating properties
Viscosity   range 7.4 to 420 mm2/s
Temperature   range -40 to 100 ℃ (Buna N seals)
Degree   of fluid contamination The minimum pollution level is   ISO4406 level 18/16/13, and level 15/13/11 is recommended to prolong the   service life
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