Product

FPG-CBV

  • Counter Balance Valves


    Counterbalance Valve Setup — Standard
    Relief setting: Set the valve high enough to stop motion at the maximum expected actuator pressure. As a rule of thumb, use 1.3 × maximum load pressure (e.g., 180 bar load → set ≈ 234 bar).
    Pilot ratio (varying loads): Use low ratios (3:1 or 4.25:1) when loads vary widely
    Pros: stable, precise control. Cons: higher pilot pressure, lower efficiency
    Pilot ratio (constant loads): Use high ratios (8:1 or 10:1) when loads are relatively constant
    Pros: lower pilot pressure, faster response, higher efficiency. Cons: less stability/precision with changing loads
    Sizing: Do not oversize. Counterbalance valves need some pressure drop to operate correctly; there’s no “too much drop” operating limit for these valves
    Placement: Install the valve at or near the actuator to maximize load-holding protection if a hydraulic line fails
    Circuit compatibility: Do not use counterbalance valves with closed-center directional control valves; trapped pressure between the DCV and actuator can pilot the valve open and cause unintended load motion
Part NumberThread (size)Pilot (ratio)PriceAvailable StockQuantity
FPG-CBV-06G3/84.25 : 1$180.2510
FPG-CBV-08G1/24.25 : 1$210.3510
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