SUN HYDRAULICS
NCECOBV

***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 NCECOBV (Material Number: NCECOBV) is a needle valve with reverse flow check, designed as a fully adjustable orifice for regulating hydraulic flow. This valve allows for infinite adjustment from fully closed to the maximum orifice diameter, facilitated by a balanced adjustment mechanism that ensures ease of use even under high pressure conditions. An integral high-capacity check valve provides unrestricted flow from port 2 to port 1, although it is important to note that the valve is not pressure compensated. The design features a sharp-edged orifice to minimize flow variations due to viscosity changes and employs Sun's floating style construction to reduce the risk of internal parts binding due to excessive installation torque or machining variations. The NCECOBV is part of Sun's 2-port flow control cartridges, which are physically and functionally interchangeable within their series and frame size, though cartridge extension dimensions may differ. It operates within a cavity T-5A series 2 with a capacity of 3 gpm (11 L/min) and can withstand a maximum operating pressure of 5000 psi (350 bar). Valve leakage at 110 SUS (24 cSt) is minimal, with only five drops per minute. The valve requires an installation torque between 45 - 50 lbf ft (61 - 68 Nm), with an adjustment screw internal hex size of 5/32 in. (4 mm). A locknut hex size of 9/16 in. (15 mm) requires a torque of 80 - 90 lbf in. (9 - 10 Nm). The model weighs approximately .40 lb (.20 kg) and utilizes Viton seal kits for maintenance purposes.