SUN HYDRAULICS
SQJBCDV

***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 SQJBCDV (SQJBCDV) is a kickdown sequence valve designed to open completely and remain open once the pressure at the inlet port 1 surpasses the valve setting, allowing unrestricted flow from port 1 to port 2. The valve's operation is contingent upon the pressure at port 1 being higher than that at port 2. Resetting the valve requires the pressure at port 1 to drop below its set point, cessation of flow from port 1 to port 2, and equal or greater pressure at port 2 compared to port 1. This model is part of a series where all three-port sequence cartridges are interchangeable in terms of flow path and cavity for a given frame size. It's important to note that this valve should not be used in load-holding applications. The main stage orifice is safeguarded by a 150-micron stainless steel screen, and the pressure at drain port 3 should not exceed 5000 psi (350 bar), as it directly adds to the valve setting in a one-to-one ratio. Ideal for installation on the actuator side of systems, this valve requires flow cessation for resetting; if utilized on the pump side, pump flow must be halted for reset functionality. It features Sun's floating style construction to reduce internal binding risks due to excessive torque or machining variations. This series has a capacity of up to 120 gpm (480 L/min) with factory pressure settings established at kickdown points and can handle maximum operating pressures of up to 5000 psi (350 bar). The typical response time is around 25 ms, with minimal leakage when using hydraulic oil. The adjustment mechanism allows for fine-tuning via clockwise turns, and specific torque specifications are provided for installation and adjustments.