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SUN HYDRAULICS
NCGBKBV


$258.72 USD
  • SUN HYDRAULICS
  • Material:NCGBKBV
  • Model:NCGB-KBV
  • Summary:Cartridge

Quantity in stock: 0

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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 NCGBKBV (NCGBKBV) is a needle valve with reverse flow check designed for precise flow regulation in hydraulic systems. This valve is fully adjustable from a closed position to its maximum orifice diameter, allowing for fine control over fluid flow. It features an integral high-capacity check valve that permits unrestricted flow from port 2 to port 1, although it is not pressure compensated. The NCGBKBV model is part of the 2-port flow control cartridge series, which offers physical and functional interchangeability across different frame sizes, though extension dimensions may vary. The valve operates by regulating flow in proportion to the square root of the pressure differential between ports 1 and 2, due to its non-compensating nature. Designed with a balanced adjustment mechanism, the NCGBKBV ensures easy adjustments even under high-pressure conditions. Its sharp-edged orifice design minimizes variations in flow due to changes in fluid viscosity. For systems using phosphate ester fluids, cartridges configured with EPDM seals are recommended; exposure to petroleum-based fluids can damage these seals. The valve incorporates Sun's floating style construction to reduce the risk of internal parts binding due to excessive installation torque or machining variations. With a capacity of 60 gpm (240 L/min) and a maximum operating pressure of 5000 psi (350 bar), this model is robust and reliable under demanding conditions. It has a maximum leakage rate of 10 drops/min at 110 SUS (24 cSt). Installation requires specific torque settings: valve installation torque ranges from 350 to 375 lbf ft (474 to 508 Nm), while the locknut torque should be between 80 and 90 lbf in (9 to 10 Nm). The NCGBKBV weighs approximately 3 pounds (1.35 kg) and uses Viton seal kits for optimal performance.

Needle valves with reverse-flow check are fully adjustable orifices used to regulate flow. They are infinitely adjustable from fully closed up to the maximum orifice diameter. An integral high-capacity check valve provides unrestricted flow from port 2 to port 1. They are not pressure compensated.

  • All 2-port flow control cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size). However, cartridge extension dimensions from the mounting surface may vary.
  • Because needle valves are non-compensating devices, the fixed orifice size will regulate flow through the valve in proportion to the square root of the pressure differential across ports 1 and 2.
  • A balanced adjustment mechanism allows for easy adjustment even at high pressures.
  • The sharp-edged orifice design minimizes flow variations due to viscosity changes.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

CavityT-18A
Series4
Capacity60 gpm (.56 inch)240 L/min. (14,2 mm)
Maximum Operating Pressure5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt)10 drops/min.0,7 cc/min.
Adjustment - Number of Counterclockwise Turns - Fully Closed to Fully Open55
Valve Hex Size1 5/8 in.41,3 mm
Valve Installation Torque350 - 375 lbf ft474 - 508 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 Weight3.00 lb1,35 kg
Seal kit - CartridgeViton: 990-018-006

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