SUN HYDRAULICS
NFECYEV
- SUN HYDRAULICS
- Material:NFECYEV
- Model:NFEC-YEV
- Summary:Cartridge
Due to extremely high demand, please call 888-905-7411 for availability
***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 NFECYEV (NFECYEV) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice valve allows for fine-tuning from a completely closed position to its maximum orifice diameter, making it suitable for use as both a flow control and a shutoff valve. Notably, the NFECYEV model is not pressure compensated, meaning the flow rate through the valve is proportional to the square root of the pressure differential across its ports. The valve features a balanced adjustment mechanism that facilitates easy adjustments even under high-pressure conditions, with no leakage when fully closed. It can handle a maximum operating pressure of 5000 psi (350 bar) and has a capacity of 30 gpm (120 L/min). The sharp-edged orifice design minimizes variations in flow due to changes in fluid viscosity, ensuring consistent performance. This bidirectional flow path valve prefers flow from port 1 to port 2 but allows interchangeability with other flow controls without compromising function. The cartridge\u2019s cavity is T-16A Series 3, and it requires an installation torque between 150 and 160 lbf ft (203 to 217 Nm). For applications involving phosphate ester fluids, cartridges configured with EPDM seals are recommended; however, these should not be exposed to petroleum-based fluids as they may cause damage to the seals. The NFECYEV model weighs approximately 1.30 lb (0.60 kg) and comes with an optional Viton seal kit (990016006) for enhanced durability and performance under varying conditions.
The Sun Hydraulics NFECYEV (NFECYEV) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice valve allows for fine-tuning from a completely closed position to its maximum orifice diameter, making it suitable for use as both a flow control and a shutoff valve. Notably, the NFECYEV model is not pressure compensated, meaning the flow rate through the valve is proportional to the square root of the pressure differential across its ports. The valve features a balanced adjustment mechanism that facilitates easy adjustments even under high-pressure conditions, with no leakage when fully closed. It can handle a maximum operating pressure of 5000 psi (350 bar) and has a capacity of 30 gpm (120 L/min). The sharp-edged orifice design minimizes variations in flow due to changes in fluid viscosity, ensuring consistent performance. This bidirectional flow path valve prefers flow from port 1 to port 2 but allows interchangeability with other flow controls without compromising function. The cartridge\u2019s cavity is T-16A Series 3, and it requires an installation torque between 150 and 160 lbf ft (203 to 217 Nm). For applications involving phosphate ester fluids, cartridges configured with EPDM seals are recommended; however, these should not be exposed to petroleum-based fluids as they may cause damage to the seals. The NFECYEV model weighs approximately 1.30 lb (0.60 kg) and comes with an optional Viton seal kit (990016006) for enhanced durability and performance under varying conditions.
Needle valves are fully adjustable orifices used to regulate flow. They are infinitely adjustable from fully closed up to the maximum orifice diameter. They are not pressure compensated and may be used as flow controls or as shutoff valves.
- 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.
- The flow path through this valve is bi-directional. The preferred path is port 1 to 2, to allow interchangeability with other flow controls.
- There is no leakage when the adjustment mechanism is turned to the shut-off position.
- 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.
| Cavity | T-16A |
| Series | 3 |
| Capacity | 30 gpm (.38 inch)120 L/min. (9,7 mm) |
| Maximum Operating Pressure | 5000 psi350 bar |
| Adjustment - Number of Counterclockwise Turns - Fully Closed to Fully Open | 55 |
| Valve Hex Size | 1 1/4 in.31,8 mm |
| Valve Installation Torque | 150 - 160 lbf ft203 - 217 Nm |
| Adjustment Screw Internal Hex Size | 5/32 in.4 mm |
| Locknut Hex Size | 9/16 in.15 mm |
| Locknut Torque | 80 - 90 lbf in.9 - 10 Nm |
| Model Weight | 1.30 lb0,60 kg |
| Seal kit - Cartridge | Viton: 990-016-006 |
Show FAQ
Additional Resources
- QuickDesign with SmartConnect Offers Drag-and-Drop Schematic Tool
- Sun Expands Corrosion-Resistant Solutions
- Series 4 PLUS Cartridges Offer Higher Flows with Lower Pressure Losses
- Sun Offers Zinc-Nickel Plating for Corrosion Resistance
- Sun Cartridges with EPDM Seals
- Manufacturing Sun Cartridge Cavities
- Check, Flow Control, and Priority Flow Control Valves
- Fluid and Temperature Recommendations
- Sun's Floating Style Screw-In Cartridge
- Performance Data
- Sun Model Code Explanation; 999-901-334
- Units of Measure, Settings, and Conversions
- Cartridges: Materials of Construction
- Cavity Information (S-171) and Tooling
