Kick-down, pilot-operated, balanced piston relief valve - RQKBLAN

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Kick-down, pilot-operated, balanced piston relief valve - RQKBLAN
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RQKBLAN
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Modified on: September 07,2026  
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Specifications
Supplier part number: RQKBLAN
Name:Kick-down, pilot-operated, balanced piston relief valve - RQKBLAN
Description:Kick-down relief cartridges act similar to a circuit breaker in an electrical system. The valves will kick completely open and remain open once the pressure at the inlet (port 1) exceeds the valve settting, creating an unrestricted flow path from port 1 to tank (port 2). The valve remains open as long as the pressure at port 1 exceeds the pressure at port 2. To reset 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 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size). To reset valve, flow through the cartridge must cease. Main stage orifice is protected by a 150-micron stainless steel screen. Not suitable for use in load holding applications. 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. Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio. Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES. 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.
    
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