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SUN HYDRAULICS
RVEBNBN


$146.84 USD
  • SUN HYDRAULICS
  • Material:RVEBNBN
  • Model:RVEB-NBN
  • 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 RVEBNBN (Material Number: RVEBNBN) is a three-port normally closed modulating element with relief, designed for use in hydraulic systems. This component provides dual functions when integrated with an external orifice. Primarily, it acts as a bypass compensator, regulating priority flow into a circuit according to the specifications of the external orifice. Any input flow that exceeds this priority flow is redirected to the tank port 2. Additionally, if the pressure at inlet port 1 surpasses the valve's set threshold, it functions as a standard relief valve. The compensating pressure for all ranges is maintained at 120 psi (8 bar). The performance curve of this valve illustrates system pressure on the X-axis and the pressure differential across the control orifice on the Y-axis, with different curves indicating various bypass flows. This model has a capacity of 20 gpm (80 L/min) and can handle a maximum operating pressure of 5000 psi (350 bar). It features a typical response time of 10 ms and maintains maximum valve leakage at 3 in\u00b3/min (50 cc/min) under specific conditions. Adjustment is achieved through clockwise turns to increase settings up to five full turns, with internal hex size specifications for both adjustment screw and locknut provided for precise calibration. Installation requires specific torque values to ensure optimal performance. The RVEBNBN model weighs approximately 0.70 lbs (0.30 kg) and utilizes a Viton seal kit identified by cartridge number 990202006 for maintenance purposes.

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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