SUN HYDRAULICS
NFECHFV
$127.38 USD
- SUN HYDRAULICS
- Material:NFECHFV
- Model:NFEC-HFV
- 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 NFECHFV (NFECHFV) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice allows users to control flow from fully closed to the maximum orifice diameter, making it ideal for applications requiring variable flow control or shutoff capabilities. It operates as a non-pressure compensated device, meaning the flow is regulated based on the square root of the pressure differential across its ports. The valve's balanced adjustment mechanism ensures ease of use even under high pressure conditions, and its sharp-edged orifice design minimizes variations in flow due to changes in fluid viscosity. Notably, this valve features a bidirectional flow path, with a preferred direction from port 1 to 2 for compatibility with other flow controls. The NFECHFV model has a capacity of 30 gpm (120 L/min) and can withstand a maximum operating pressure of 5000 psi (350 bar). Its installation requires specific torque settings: 150-160 lbf ft (203-217 Nm) for the valve and 80-90 lbf in (9-10 Nm) for the locknut. The valve's hex sizes are specified as follows: Valve Hex Size is 1\u00bc inches (31.8 mm), Adjustment Screw Internal Hex Size is ^5/32 inches (4 mm), and Locknut Hex Size is ^9/16 inches (15 mm). Weighing 1.30 lb (0.60 kg), this needle valve comes with an option for EPDM seals suitable for phosphate ester fluids but not compatible with petroleum-based substances. The seal kit cartridge made from Viton is identified by part number 990016006, ensuring reliable sealing performance under specified conditions.
The Sun Hydraulics NFECHFV (NFECHFV) is a versatile needle valve designed for precise flow regulation in hydraulic systems. This fully adjustable orifice allows users to control flow from fully closed to the maximum orifice diameter, making it ideal for applications requiring variable flow control or shutoff capabilities. It operates as a non-pressure compensated device, meaning the flow is regulated based on the square root of the pressure differential across its ports. The valve's balanced adjustment mechanism ensures ease of use even under high pressure conditions, and its sharp-edged orifice design minimizes variations in flow due to changes in fluid viscosity. Notably, this valve features a bidirectional flow path, with a preferred direction from port 1 to 2 for compatibility with other flow controls. The NFECHFV model has a capacity of 30 gpm (120 L/min) and can withstand a maximum operating pressure of 5000 psi (350 bar). Its installation requires specific torque settings: 150-160 lbf ft (203-217 Nm) for the valve and 80-90 lbf in (9-10 Nm) for the locknut. The valve's hex sizes are specified as follows: Valve Hex Size is 1\u00bc inches (31.8 mm), Adjustment Screw Internal Hex Size is ^5/32 inches (4 mm), and Locknut Hex Size is ^9/16 inches (15 mm). Weighing 1.30 lb (0.60 kg), this needle valve comes with an option for EPDM seals suitable for phosphate ester fluids but not compatible with petroleum-based substances. The seal kit cartridge made from Viton is identified by part number 990016006, ensuring reliable sealing performance under specified 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 |
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