SUN HYDRAULICS
NCFBYAN

***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 NCFBYAN (NCFBYAN) is a needle valve with a reverse flow check, designed for precise flow regulation in hydraulic systems. This valve features an adjustable orifice that can be fine-tuned from fully closed to its maximum diameter, allowing for customizable flow control. It includes an integral high-capacity check valve that permits unrestricted flow from port 2 to port 1, although it is not pressure compensated. This means the valve regulates flow in proportion to the square root of the pressure differential between ports 1 and 2. The NCFBYAN model is part of the Series 3 cartridge family and is compatible with a Cavity T-16A. It has a capacity of handling up to 30 gallons per minute (120 liters per minute) and can withstand a maximum operating pressure of 5000 psi (350 bar). The sharp-edged orifice design helps minimize variations in flow due to changes in fluid viscosity, while the balanced adjustment mechanism ensures ease of use even at high pressures. This needle valve incorporates Sun's floating style construction, which reduces the risk of internal parts binding due to excessive installation torque or machining variances. With a weight of approximately 1.30 pounds (0.60 kg), it also includes features such as an adjustment screw with an internal hex size of 5/32 inches and a locknut hex size of 9/16 inches. The recommended installation torque ranges from 150 to 160 lbf ft (203 to 217 Nm), while the locknut torque should be between 80 to 90 lbf in (9 to 10 Nm). The model is sealed with Viton material, ensuring durability and resistance against hydraulic fluids.