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SUN HYDRAULICS
RVEBNCN


$149.81 USD
  • SUN HYDRAULICS
  • Material:RVEBNCN
  • Model:RVEB-NCN
  • Summary:Cartridge

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics RVEBNCN (RVEBNCN) is a versatile three-port normally closed modulating element with relief functionality, designed to provide dual functions when paired with an external orifice. This component acts primarily as a bypass compensator, regulating priority flow into a circuit as dictated by the external orifice. Any input flow that exceeds this designated priority flow is directed to bypass to tank port 2. Additionally, if the pressure at inlet port 1 reaches the valve's set threshold, it operates as a conventional relief valve. The compensating pressure for all ranges is maintained at 120 psi (8 bar). The performance curve for this valve illustrates system pressure on the X-axis and the pressure differential across the control orifice on the Y-axis, with curves representing various bypass flows. Notably, the valve's capacity and performance are contingent upon bypass flow rather than control flow. This model features a cavity T-2A series with a capacity of 20 gpm (80 L/min) and can withstand a maximum operating pressure of 5000 psi (350 bar). It has a typical response time of 10 ms and exhibits minimal leakage at maximum conditions. The valve's adjustment can be made via clockwise turns to increase settings up to 5.5 turns, with specific dimensions provided for installation and adjustments. With a weight of .70 lb (0.30 kg), it includes options for adjustments using W and Y controls, which can either be adjustable throughout their range or set to a specified maximum setting if needed. The assembly requires specific torque settings for both installation and locknut adjustments, ensuring secure placement within hydraulic systems.

Three-port normally closed modulating elements with relief provide two functions when combined with an external orifice. The mainstage is a bypass compensator that controls a priority flow into the circuit, determined by the external orifice. Input flow in excess of the priority flow is bypassed to tank (port 2). If the inlet (port 1) pressure rises to the valve setting, the valve operates as a normal relief valve.

  • Compensating pressure for all ranges is 120 psi (8 bar).
  • Explanation of the performance curve: The X axis is system pressure. The Y axis shows the pressure differential that the valve creates across the control orifice. The curves represent various bypass flows (pump flow minus control flow). The capacity and performance of this valve is determined by the bypass flow, control flow is not a factor.
  • W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.

CavityT-2A
Series2
Capacity20 gpm80 L/min.
Factory Pressure Settings Established at4 gpm15 L/min.
Maximum Operating Pressure5000 psi350 bar
Response Time - Typical10 ms10 ms
Maximum Valve Leakage at 110 SUS (24 cSt)3 in³/min.@1000 psi50 cc/min.@70 bar
Adjustment - Number of Clockwise Turns to Increase Setting55
Valve Hex Size1 1/8 in.28,6 mm
Valve Installation Torque45 - 50 lbf ft61 - 68 Nm
Adjustment Screw Internal Hex Size5/32 in.4 mm
Locknut Hex Size9/16 in.15 mm
Locknut Torque80 - 90 lbf in.9 - 10 Nm
Model Weight.70 lb0,30 kg
Seal kit - CartridgeViton: 990-202-006

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