SUN HYDRAULICS
RVCSKQV

$131.45 USD

SUN HYDRAULICS
Material:RVCSKQV
Model:RVCS-KQV
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 RVCSKQV (RVCSKQV) is a ventable, pilot-operated, balanced-poppet relief cartridge designed to regulate pressure by throttling flow to the tank port when the inlet pressure reaches the valve setting. It features a vent port that allows for remote control via other pilot or 2-way valves, making it suitable for various applications requiring precise pressure management. This valve is known for its accuracy, low-pressure rise versus flow, and smooth operation with moderate speed. It minimizes issues related to cavitation such as noise and manifold erosion due to its internal modulation. This cartridge is equipped with EPDM seals, making it compatible with systems using phosphate ester fluids while being susceptible to damage from petroleum-based substances. The valve can handle maximum pressure at port 2 and is ideal for cross-port relief circuits. A remote pilot relief on the vent port can control the valve below its set point, and it remains relatively unaffected by changes in oil temperature and contamination. The main stage orifice is safeguarded by a 150-micron stainless steel screen, ensuring reliability in load-holding applications. The RVCSKQV model incorporates Sun's floating style construction to prevent binding due to installation torque or machining variations. It has a capacity of 15 gpm (60 L/min) with a maximum operating pressure of 5000 psi (350 bar). The factory pressure settings are established at 4 gpm (15 L/min), with typical response times around 2 ms. The valve features an internal hex adjustment screw for setting adjustments and includes specific torque requirements for installation and locknut adjustments. This robust design makes it an excellent choice for applications demanding consistent performance under varying conditions.

Description

Ventable, pilot-operated, balanced-poppet relief cartridges are normally closed pressure regulating valves. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. They provide a vent port (port 3) that connects between the main piston and pilot stage to provide for remote control by other pilot or 2-way valves. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast.

Because the modulating occurs inside the cartridge, these valves are immune to most of the problems associated with cavitation, namely noise and manifold erosion.
Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
Will accept maximum pressure at port 2; suitable for use in cross port relief circuits.
A remote pilot relief on port 3 (vent) will control the valve below its own setting.
Valve is relatively insensitive to varying oil temperatures and oil borne contamination.
Main stage orifice is protected by a 150 micron stainless steel screen.
Suitable for use in load holding applications.
Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
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-11A
Series	1
Capacity	15 gpm60 L/min.
Factory Pressure Settings Established at	4 gpm15 L/min.
Maximum Operating Pressure	5000 psi350 bar
Control Pilot Flow	7 - 10 in³/min.0,11 - 0,16 L/min.
Response Time - Typical	2 ms2 ms
Maximum Valve Leakage at Reseat	10 drops/min.0,7 cc/min.
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	.35 lb0,15 kg
Seal kit - Cartridge	Viton: 990-611-006

Show FAQ

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.
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.

SUN HYDRAULICSRVCSKQV

Additional Resources

SUN HYDRAULICS
RVCSKQV