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SUN HYDRAULICS
SQFBCCN


$146.94 USD
  • SUN HYDRAULICS
  • Material:SQFBCCN
  • Model:SQFB-CCN
  • Summary:Cartridge

Quantity in stock: 0

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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 SQFBCCN (SQFBCCN) is a kickdown sequence valve designed to open completely and maintain an open state once the inlet port 1 pressure surpasses the valve's preset threshold, facilitating an unrestricted flow from port 1 to port 2. This valve is engineered for use on the actuator side of hydraulic systems, as it requires cessation of flow through the valve to reset. The valve will remain open as long as the pressure at port 1 exceeds that at port 2. To reset, pressure at port 1 must drop below the set threshold, with no flow between ports and equal or greater pressure at port 2 compared to port 1. Notably, this model should not be employed in load-holding applications due to its design characteristics. The SQFBCCN features a main stage orifice shielded by a durable 150-micron stainless steel screen and incorporates Sun's floating style construction, which minimizes potential binding of internal components due to installation torque or machining variations. The maximum operating pressure for this model is rated at 5000 psi (350 bar), with a typical response time of approximately 25 milliseconds. It boasts a capacity of handling flow rates up to 30 gpm (120 L/min). The valve's physical dimensions include a hex size of 1-1/8 inches (28.6 mm) for installation and an internal hex size of 5/32 inches (4 mm) for adjustment screws. Additionally, the adjustment mechanism allows for up to five clockwise turns to increase the setting, ensuring precise control over system operations. The locknut requires torque settings between 80-90 lbf-in (9-10 Nm) for secure installation. This product's robust build and precise engineering make it suitable for various hydraulic applications requiring reliable sequence control without load holding capabilities.

Kick-down sequence valves will kick completely open and remain open once the pressure at the inlet (port 1) exceeds the valve setting, creating an unrestricted flow path from port 1 to port 2 (sequence). The pressure setting at port 1 is relative to the drain (port 3). The valve remains open as long as the pressure at port 1 exceeds the pressure at port 2. To reset the valve, pressure at port 1 must fall below the setting of the valve, flow from port 1 to port 2 must cease, and pressure at port 2 must be equal to or greater than the pressure at port 1.

  • All 3 port sequence cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Should not be used in load holding applications.
  • The main stage orifice is protected by a 150 micron stainless steel screen.
  • Pressure at port 3 is directly additive to the valve setting at a 1:1 ratio and should not exceed 5000 psi (350 bar).
  • Intended for use on the actuator side of the system as flow through the valve must cease for the valve to reset. If used on the pump side of a system, pump flow must be shut off for the valve to reset.
  • 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.

CavityT-2A
Series2
Capacity30 gpm120 L/min.
Factory Pressure Settings Established atKick down pointKick down point
Maximum Operating Pressure5000 psi350 bar
Response Time - Typical25 ms25 ms
Maximum Valve Leakage at 110 SUS (24 cSt)3 in³/min.50 cc/min.
Adjustment - Number of Clockwise Turns to Increase Setting55
Valve Hex Size1 1/8 in.28,6 mm
Valve Installation Torque45 - 50 lbf ft61 - 68 Nm
Adjustment Screw Internal Hex Size5/32 in.4 mm
Locknut Hex Size9/16 in.15 mm
Locknut Torque80 - 90 lbf in.9 - 10 Nm
Model Weight.50 lb0,25 kg
Seal kit - CartridgeViton: 990-202-006

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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.