SUN HYDRAULICS
RQEBJDV

$80.32 USD

SUN HYDRAULICS
Material:RQEBJDV
Model:RQEB-JDV
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 RQEBJDV (RQEBJDV) is a kickdown relief cartridge designed to function similarly to a circuit breaker in an electrical system. It activates by kicking completely open and remains open once the pressure at inlet port 1 surpasses the valve setting, allowing unrestricted flow from port 1 to tank port 2. The valve stays open as long as the pressure at port 1 exceeds that at port 2. For resetting, the flow from port 1 to port 2 must stop, and the pressure at port 2 must be equal to or greater than that at port 1. This cartridge is not suitable for load holding applications and is intended for use on the actuator side of systems, as flow must cease for resetting. If used on the pump side, pump flow must be shut off for reset. It features a main stage orifice protected by a 150-micron stainless steel screen and is corrosion-resistant with options for external stainless steel or zinc-nickel plated components. The valve has a maximum operating pressure of 5000 psi (350 bar), with a typical response time of 25 ms and maximum leakage of 2 in\u00b3/min (30 cc/min) at specified conditions. Adjustments can be made with up to five clockwise turns to increase settings, using specific hex sizes for installation and adjustment screws. Its compact design includes features like Sun's floating style construction to minimize internal part binding due to excessive torque or machining variations, making it reliable in various applications like portable grain augers where safety is crucial during operation interruptions.

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.

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.
All 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size).
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.

Cavity	T-10A
Series	1
Capacity	25 gpm95 L/min.
Factory Pressure Settings Established at	Kick down pointKick down point
Maximum Operating Pressure	5000 psi350 bar
Response Time - Typical	25 ms25 ms
Maximum Valve Leakage at 110 SUS (24 cSt)	2 in³/min.@1000 psi30 cc/min.@70 bar
Adjustment - Number of Clockwise Turns to Increase Setting	55
Valve Hex Size	7/8 in.22,2 mm
Valve Installation Torque	30 - 35 lbf ft41 - 47 Nm
Adjustment Screw Internal Hex Size	5/32 in.4 mm
Locknut Hex Size	9/16 in.15 mm
Locknut Torque	80 - 90 lbf in.9 - 10 Nm
Model Weight	.30 lb0,15 kg
Seal kit - Cartridge	Viton: 990-010-006

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Additional Resources

Notes:

Do not use in load holding applications.
For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel.

Where would I use a kick-down relief?	One graphic example is on a portable grain auger for silos. When the farmer gets caught in the auger the kick-down relief trips and allows him to escape.
What are the tolerances on pressure settings for Sun's pressure control valves?	Pressure setting tolerances are listed in our Performance Data page. A link to this page can also be found in the Additional Resources tab of the applicable product page.
How big is a drop of hydraulic oil?	There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Can I use a kick-down relief for my system relief?	Maybe not. We build in a good amount of overlap in the kick-down reliefs to prevent false tripping. This means they are not as fast as our standard pilot-operated reliefs. A direct-acting relief valve set just above the kick-down relief valve would be good insurance.
Direct acting or pilot operated - what do I use?	Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.

SUN HYDRAULICSRQEBJDV

Additional Resources

SUN HYDRAULICS
RQEBJDV