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SUN HYDRAULICS
RVEBNBV


$154.78 USD
  • SUN HYDRAULICS
  • Material:RVEBNBV
  • Model:RVEB-NBV
  • 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 RVEBNBV (RVEBNBV) is a three-port normally closed modulating element with relief, designed to provide dual functionality when used in conjunction with an external orifice. This versatile component acts as a bypass compensator, controlling priority flow into a circuit based on the external orifice's specifications. Any input flow exceeding the priority flow is redirected to tank port 2. Additionally, if the pressure at inlet port 1 reaches the valve's predetermined setting, it functions as a conventional relief valve. The compensating pressure for all ranges is set at 120 psi (8 bar), ensuring reliable performance across various applications. The valve's performance curve illustrates how system pressure affects the pressure differential created across the control orifice. Notably, the valve's capacity and performance are determined by bypass flow rather than control flow. Users have flexibility with W and Y controls, which can be specified with or without special settings. Without special settings, the valve remains adjustable throughout its full range using these controls; with special settings, they denote the maximum setting of the valve. Key specifications include a cavity size of T-2A, series 2 capacity of 20 gpm (80 L/min), and maximum operating pressure of 5000 psi (350 bar). The typical response time is approximately 10 ms, with maximum valve leakage rated at 3 in\u00b3/min at 1000 psi (50 cc/min at 70 bar). Installation details include a valve hex size of 1-1/8 inches (28.6 mm) and installation torque between 45 to 50 lbf-ft (61 to 68 Nm). The adjustment screw features an internal hex size of 5/32 inches (4 mm), while locknut specifications include a hex size of 9/16 inches (15 mm) and torque range from 80 to 90 lbf-in (9 to 10 Nm). The model weighs .70 lb (.30 kg) and utilizes a Viton seal kit cartridge number: 990202006.

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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