SUN HYDRAULICS
NFFCYHN
$223.80 USD
Tags:
- SUN HYDRAULICS
- Material:NFFCYHN
- Model:NFFC-YHN
- Summary:Cartridge
Quantity in stock: 0
***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 NFFCYHN (NFFCYHN) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice allows for smooth control from fully closed to the maximum orifice diameter, although it is not pressure compensated. It can function as both a flow control and shutoff valve, making it suitable for various applications where precise flow management is essential. The NFFCYHN model features a balanced adjustment mechanism that facilitates easy tuning even under high-pressure conditions, while its sharp-edged orifice design minimizes flow variations caused by changes in fluid viscosity. The valve supports bidirectional flow, with the preferred direction being from port 1 to port 2, which aids in maintaining interchangeability with other flow controls. This needle valve is physically and functionally interchangeable with all 2-port flow control cartridges of the same frame size, though extension dimensions may vary from the mounting surface. The NFFCYHN accommodates a maximum operating pressure of 5000 psi (350 bar) and has a capacity of up to 60 gpm (240 L/min). It requires an installation torque between 350 to 375 lbf ft (474 to 508 Nm). The model also includes an internal hex adjustment screw and locknut with specified sizes for ease of use during installation and adjustments. The cartridge comes equipped with EPDM seals suitable for systems utilizing phosphate ester fluids; however, exposure to petroleum-based substances should be avoided as they can damage the seals. For enhanced durability and performance under various environmental conditions, Sun Hydraulics offers additional resources such as corrosion-resistant solutions and zinc-nickel plating options. The NFFCYHN weighs approximately 3 pounds (1.35 kg) and includes a Viton seal kit option identified by part number 990018006.
The Sun Hydraulics NFFCYHN (NFFCYHN) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice allows for smooth control from fully closed to the maximum orifice diameter, although it is not pressure compensated. It can function as both a flow control and shutoff valve, making it suitable for various applications where precise flow management is essential. The NFFCYHN model features a balanced adjustment mechanism that facilitates easy tuning even under high-pressure conditions, while its sharp-edged orifice design minimizes flow variations caused by changes in fluid viscosity. The valve supports bidirectional flow, with the preferred direction being from port 1 to port 2, which aids in maintaining interchangeability with other flow controls. This needle valve is physically and functionally interchangeable with all 2-port flow control cartridges of the same frame size, though extension dimensions may vary from the mounting surface. The NFFCYHN accommodates a maximum operating pressure of 5000 psi (350 bar) and has a capacity of up to 60 gpm (240 L/min). It requires an installation torque between 350 to 375 lbf ft (474 to 508 Nm). The model also includes an internal hex adjustment screw and locknut with specified sizes for ease of use during installation and adjustments. The cartridge comes equipped with EPDM seals suitable for systems utilizing phosphate ester fluids; however, exposure to petroleum-based substances should be avoided as they can damage the seals. For enhanced durability and performance under various environmental conditions, Sun Hydraulics offers additional resources such as corrosion-resistant solutions and zinc-nickel plating options. The NFFCYHN weighs approximately 3 pounds (1.35 kg) and includes a Viton seal kit option identified by part number 990018006.
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-18A |
| Series | 4 |
| Capacity | 60 gpm (.56 inch)240 L/min. (14,2 mm) |
| Maximum Operating Pressure | 5000 psi350 bar |
| Adjustment - Number of Counterclockwise Turns - Fully Closed to Fully Open | 55 |
| Valve Hex Size | 1 5/8 in.41,3 mm |
| Valve Installation Torque | 350 - 375 lbf ft474 - 508 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 | 3.00 lb1,35 kg |
| Seal kit - Cartridge | Viton: 990-018-006 |
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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
- Units of Measure, Settings, and Conversions
- Cartridges: Materials of Construction
- Cavity Information (S-171) and Tooling
- Fluid and Temperature Recommendations
- Sun's Floating Style Screw-In Cartridge
- Performance Data
- Sun Model Code Explanation; 999-901-334