SUN HYDRAULICS
CNFEXFN
$71.88 USD
- SUN HYDRAULICS
- Material:CNFEXFN
- Model:CNFE-XFN
- 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 CNFEXFN (CNFEXFN) is a high-performance, pilot-to-close check cartridge valve designed for hydraulic systems requiring reliable, directional flow control. This valve features a spring-biased closed mechanism with a customer-specified bypass orifice diameter, allowing customization to specific system requirements. The hardened steel seats within the valve enhance its durability and contamination tolerance, making it suitable for harsh operational environments. With a nominal pilot ratio of 1.8:1, the CNFEXFN ensures that a pressure of 1000 psi at the pilot port can close the valve against a pressure of 1800 psi at port 1. This feature is crucial in applications where control over hydraulic flow direction impacts system performance and safety. The valve's design allows flow from port 1 to port 2 while restricting flow in the opposite direction, with pressure at port 2 directly opposing the pilot pressure. The construction of the CNFEXFN incorporates Sun\u2019s floating style, which minimizes internal part binding due to excessive installation torque or variations in cavity/cartridge machining. This design consideration provides additional reliability and longevity under varied installation conditions. The valve fits into a T2A cavity and supports a maximum flow capacity of 40 gpm (160 L/min). Installation specifications include a hex size of 1-1/8 inches (28.6 mm) and an installation torque range of 45-50 lbf ft (61-68 Nm). For maintenance or repair, Viton seal kits are available under part number 990202006. In summary, Sun Hydraulics' CNFEXFN offers robust performance for hydraulic systems requiring precise control over fluid directionality under varying pressures and conditions. Its customizable features and durable construction make it an essential component for industrial applications demanding high reliability and efficiency.
The Sun Hydraulics CNFEXFN (CNFEXFN) is a high-performance, pilot-to-close check cartridge valve designed for hydraulic systems requiring reliable, directional flow control. This valve features a spring-biased closed mechanism with a customer-specified bypass orifice diameter, allowing customization to specific system requirements. The hardened steel seats within the valve enhance its durability and contamination tolerance, making it suitable for harsh operational environments. With a nominal pilot ratio of 1.8:1, the CNFEXFN ensures that a pressure of 1000 psi at the pilot port can close the valve against a pressure of 1800 psi at port 1. This feature is crucial in applications where control over hydraulic flow direction impacts system performance and safety. The valve's design allows flow from port 1 to port 2 while restricting flow in the opposite direction, with pressure at port 2 directly opposing the pilot pressure. The construction of the CNFEXFN incorporates Sun\u2019s floating style, which minimizes internal part binding due to excessive installation torque or variations in cavity/cartridge machining. This design consideration provides additional reliability and longevity under varied installation conditions. The valve fits into a T2A cavity and supports a maximum flow capacity of 40 gpm (160 L/min). Installation specifications include a hex size of 1-1/8 inches (28.6 mm) and an installation torque range of 45-50 lbf ft (61-68 Nm). For maintenance or repair, Viton seal kits are available under part number 990202006. In summary, Sun Hydraulics' CNFEXFN offers robust performance for hydraulic systems requiring precise control over fluid directionality under varying pressures and conditions. Its customizable features and durable construction make it an essential component for industrial applications demanding high reliability and efficiency.
This valve is a spring biased closed, pilot-to-close check cartridge with a bypass orifice. It incorporates a steel seat and is non-vented. The valve allows flow from port 1 to port 2 and restricts flow from port 2 to port 1. Pressure at the pilot (port 3) opposes pressure at port 1 at a ratio of 1.8:1. Pressure at port 2 directly opposes the pilot pressure. Note: The bypass orifice diameter is specified by the customer. See Technical Data below for the allowable orifice range.
- Features hardened steel seats for excellent wear characteristics and contamination tolerance.
- Nominal pilot ratio is 1.8:1. This means that a pressure of 1000 psi (70 bar) at the pilot port will close a valve against a pressure of 1800 psi (125 bar) at port 1. Any decay or loss of pilot pressure could allow the valve to open, even if it is a momentary decay or loss.
- Pressure at the port 2 area directly opposes pilot pressure.
- With equal pressures at all ports the valve is closed.
- 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-2A |
| Series | 2 |
| Capacity | 40 gpm160 L/min. |
| Pilot Ratio | 1.8:11.8:1 |
| Orifice Range | .016 - .127 in.0,4 - 3,2 mm |
| Valve Hex Size | 1 1/8 in.28,6 mm |
| Valve Installation Torque | 45 - 50 lbf ft61 - 68 Nm |
| Seal kit - Cartridge | Viton: 990-202-006 |
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