SUN HYDRAULICS
FXCAQBN

***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 FXCAQBN (FXCAQBN) is a fixed orifice, pressure-compensated flow control valve designed for precise flow regulation in meter-in or meter-out applications, accommodating wide pressure fluctuations. This model requires the user to specify a flow rating, which is factory set with a 10% tolerance of the requested setting. Notably, cartridges with EPDM seals are compatible with systems using phosphate ester fluids but are vulnerable to damage from petroleum-based fluids. The sharp-edged orifice design effectively minimizes flow variations due to changes in fluid viscosity, and the tunable control option allows for a 25% variation from the nominal factory preset flow by adjusting clockwise to increase the flow rate. All two-port flow control cartridges in this series are interchangeable in terms of cavity and frame size, although extension dimensions may differ. The FXCAQBN model features corrosion-resistant options identified by suffixes AP for stainless steel components or LH for zinc-nickel plating. It incorporates Sun's floating style construction to reduce internal binding risks due to excessive torque or machining variations. The valve fits into a T-13A cavity, belongs to Series 1, and has a capacity of 6 gpm (23 L/min) with a maximum operating pressure of 5000 psi (350 bar). Installation requires a torque of 30-35 lbf-ft (41-47 Nm), with an adjustment screw internal hex size of 5/32 inch (4 mm) and locknut torque specifications between 80-90 lbf-in (9-10 Nm). This model weighs approximately .30 lb (.15 kg) and utilizes Viton seal kits for optimal performance.