SUN HYDRAULICS
NCECHDN
$78.43 USD
- SUN HYDRAULICS
- Material:NCECHDN
- Model:NCEC-HDN
- 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 NCECHDN (Material Number: NCECHDN) is a versatile needle valve with a reverse flow check, designed as a fully adjustable orifice to regulate flow. This model allows for infinite adjustments from fully closed to the maximum orifice diameter, making it suitable for applications requiring precise flow control. It features an integral high-capacity check valve that provides unrestricted flow from port 2 to port 1, although it is not pressure compensated. The design ensures that all 2-port flow control cartridges are interchangeable in terms of flow path and cavity size, though extension dimensions may vary. The needle valve's non-compensating nature means that the fixed orifice size regulates flow proportionate to the square root of the pressure differential across ports 1 and 2. A balanced adjustment mechanism facilitates easy adjustments even under high pressures, while the sharp-edged orifice design reduces flow variations due to viscosity changes. The floating style construction minimizes internal part binding risks due to excessive installation torque or machining variations. This model fits a Cavity T-5A and belongs to Series 2 with a capacity of 3 gpm (11 L/min). It operates at a maximum pressure of 5000 psi (350 bar) with minimal leakage, specified at five drops per minute at 110 SUS (24 cSt). The NCECHDN has specific installation requirements including a hex size of 1-1/8 inches and an installation torque between 45 - 50 lbf-ft. Its adjustment screw features an internal hex size of 5/32 inches, while the locknut requires a torque of 80 - 90 lbf-in. Weighing in at .40 lb (.20 kg), this model also supports Viton seal kits for enhanced performance under various conditions.
The Sun Hydraulics NCECHDN (Material Number: NCECHDN) is a versatile needle valve with a reverse flow check, designed as a fully adjustable orifice to regulate flow. This model allows for infinite adjustments from fully closed to the maximum orifice diameter, making it suitable for applications requiring precise flow control. It features an integral high-capacity check valve that provides unrestricted flow from port 2 to port 1, although it is not pressure compensated. The design ensures that all 2-port flow control cartridges are interchangeable in terms of flow path and cavity size, though extension dimensions may vary. The needle valve's non-compensating nature means that the fixed orifice size regulates flow proportionate to the square root of the pressure differential across ports 1 and 2. A balanced adjustment mechanism facilitates easy adjustments even under high pressures, while the sharp-edged orifice design reduces flow variations due to viscosity changes. The floating style construction minimizes internal part binding risks due to excessive installation torque or machining variations. This model fits a Cavity T-5A and belongs to Series 2 with a capacity of 3 gpm (11 L/min). It operates at a maximum pressure of 5000 psi (350 bar) with minimal leakage, specified at five drops per minute at 110 SUS (24 cSt). The NCECHDN has specific installation requirements including a hex size of 1-1/8 inches and an installation torque between 45 - 50 lbf-ft. Its adjustment screw features an internal hex size of 5/32 inches, while the locknut requires a torque of 80 - 90 lbf-in. Weighing in at .40 lb (.20 kg), this model also supports Viton seal kits for enhanced performance under various conditions.
Needle valves with reverse-flow check are fully adjustable orifices used to regulate flow. They are infinitely adjustable from fully closed up to the maximum orifice diameter. An integral high-capacity check valve provides unrestricted flow from port 2 to port 1. They are not pressure compensated.
- 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.
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
| Cavity | T-5A |
| Series | 2 |
| Capacity | 3 gpm (.13 inch)11 L/min. (3,3 mm) |
| Maximum Operating Pressure | 5000 psi350 bar |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 5 drops/min.0,3 cc/min. |
| Adjustment - Number of Counterclockwise Turns - Fully Closed to Fully Open | 55 |
| Valve Hex Size | 1 1/8 in.28,6 mm |
| Valve Installation Torque | 45 - 50 lbf ft61 - 68 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 | .40 lb0,20 kg |
| Seal kit - Cartridge | Viton: 990-203-006 |
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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
- 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
Notes:
- For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel.