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SUN HYDRAULICS
FSCHXAV


$179.30 USD

Tags:

  • SUN HYDRAULICS
  • Material:FSCHXAV
  • Model:FSCH-XAV
  • 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 FSCHXAV (FSCHXAV) is a high-capacity, closed-center flow divider-combiner designed for tractive drive systems. This sliding-spool, pressure-compensated device effectively splits flow in one direction and combines it in the opposite direction, offering approximately 15% greater capacity than standard models. The FSCHXAV is interchangeable with other flow divider-combiner cartridges of the same frame size, ensuring versatility in various applications. In dividing mode, it directs a higher percentage of flow to the circuit leg with the greatest load. Conversely, in combining mode, it favors the circuit leg with the lowest load. It's crucial to note that without synchronization features, accuracy errors may accumulate during actuator strokes. The FSCHXAV operates within a capacity range of 2-9 gpm (8-34 L/min) and can withstand a maximum operating pressure of 5000 psi (350 bar). Its divisional accuracy varies from 50% \u00b16.5% at minimum input flow to 50% \u00b13.5% at maximum input flow. Pressure drops are measured at 30 psi (2 bar) for minimum rated input flow and 350 psi (24 bar) for maximum rated input flow. This model incorporates Sun's floating style construction to minimize internal binding due to excessive torque or machining variations. Due to its design characteristics, this model is not suitable for synchronizing two cylinders hydraulically; instead, it provides error correction at each stroke end when used with a synchronization feature or cross-port reliefs. The FSCHXAV's reliability makes it an ideal choice for applications requiring precise fluid control under varying loads while maintaining system integrity against cavitation and lockup risks.

High-capacity, closed-center flow divider/combiners are sliding-spool, pressure-compensated devices used to split flow in one direction and combine flow in the opposite direction. These valves have approximate 15% greater capacity than standard closed-center divider/combiners and are designed for use in tractive drive systems. Note: Accuracy on these cartridges is not equivalent to the accuracy of standard closed-center divider/combiners.

  • All flow divider and divider/combiner cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Operating characteristics cause the leg of the circuit with the greatest load to receive the higher percentage of flow in dividing mode. If a rigid mechanism is used to tie actuators together, the lead actuator may pull the lagging actuator and cause it to cavitate.
  • In combining mode, compensating characteristics will cause the leg of the circuit with the lowest load to receive the higher percentage of flow. If a synchronization feature is not included, an additive accuracy error will be experienced with each full stroke of the actuator.
  • In applications involving rigid mechanisms between multiple actuators, operating inaccuracy will cause the eventual lock-up of the system. If the mechanical structure is not designed to allow for the operating inaccuracy inherent in the valve, damage may occur.
  • In motor circuits, rigid frames or mechanisms that tie motors together, and/or complete mechanical synchronized motion of the output shaft of the motors, either by wheels to the pavement or sprockets to conveyors, will contribute to cavitation, lock-up and/or pressure intensification.
  • Variations in speed and lock-up can be attributed to differences in motor displacement, motor leakage, wheel diameter variance and friction of wheels on the driving surface.
  • Extreme pressure intensification can occur on multiple wheel drive vehicles.
  • Differential slip for tractive drive systems must be achieved with orifices in the body/manifold.
  • Divisional and combining accuracy are equal.
  • Below the minimum flow rating there is not enough flow for the valve to modulate. It is effectively a tee. If flow starts at zero and rises, there will be no dividing or combining control until the flow reaches the minimum rating.
  • 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.

Cavity T-31A
Series 1
Capacity 2 - 9 gpm8 - 34 L/min.
Maximum Operating Pressure 5000 psi350 bar
Divisional Accuracy at Minimum Input Flow 50% ±6.5%50% ±6.5%
Divisional Accuracy at Max Input Flow 50% ±3.5%50% ±3.5%
Pressure Drop at Minimum Rated Input Flow 30 psi2 bar
Pressure Drop at Maximum Rated Input Flow 350 psi24 bar
Valve Hex Size 7/8 in.22,2 mm
Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm
Model Weight .60 lb0,30 kg
Seal kit - Cartridge Viton: 990-031-006

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