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SUN HYDRAULICS
CNKCXFN


$315.70 USD

Tags:

  • SUN HYDRAULICS
  • Material:CNKCXFN
  • Model:CNKC-XFN
  • Summary:Cartridge

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***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 CNKCXFN (CNKCXFN) is a precision-engineered check valve featuring a free flow from port 1 to port 2, complemented by a customer-specified orifice to regulate flow in the reverse direction, from port 2 to port 1. Designed for versatility and high performance, this valve is compatible with Sun's standard T18A cavity but achieves optimal capacity when installed in the T18AU cavity. The valve supports a maximum operating pressure of 5000 psi (350 bar) and can handle capacities up to 180 gpm (680 L/min). Key design benefits include the Sun floating style construction which reduces the risk of internal parts binding due to installation torque or machining variations of the cavity/cartridge. This model's specific orifice range spans from 0.016 inches to 0.354 inches (0.4 mm to 9 mm), allowing for precise control tailored to varied hydraulic needs. Additionally, the CNKCXFN model is marked with the orifice diameter on one of its hex faces for easy identification. It also boasts a robust build with a hex size of 1-5/8 inches (41.3 mm) and requires an installation torque between 350 - 375 lbf ft (474 - 508 Nm). Weighing at approximately 2.10 lbs (0.95 kg), it ensures durability without compromising on efficiency. The seal kit for this cartridge uses Viton material, ensuring high-quality sealing capabilities under diverse operating conditions. This valve is ideal for applications requiring reliable check functionalities with controlled flow restrictions in hydraulic systems.

Free-flow, nose-to-side check valves with a bypass orifice allow free flow from port 1 to port 2. A customer specified orifice is included to restrict flow from port 2 to port 1. See technical data below for orifice range.

  • Two-port check valves share the same cavity for a given frame size, however, pay close attention as flow paths may be in opposite directions.
  • These valves will work in Sun's standard T-18A cavity at lower capacity. To realize the full stated capacity, the T-18AU cavity should be used.
  • Valves with the opposite flow path (free flow from 2 to 1) are considered flow controls and may be found listed as fixed orifice, non-pressure compensated flow control valve with reverse flow check.
  • Will accept 5000 psi (350 bar) at ports 1 and 2.
  • The customer specified orifice diameter is stamped on one of the cartridge's hex faces.
  • 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-18AU
Series 4
Capacity 180 gpm680 L/min.
Maximum Operating Pressure 5000 psi350 bar
Orifice Range .016 - .354 in.0,4 - 9 mm
Valve Hex Size 1 5/8 in.41,3 mm
Valve Installation Torque 350 - 375 lbf ft474 - 508 Nm
Model Weight 2.10 lb0,95 kg
Seal kit - Cartridge Viton: 990-018-006

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