SUN HYDRAULICS
RPESLCV

$84.78 USD

SUN HYDRAULICS
Material:RPESLCV
Model:RPES-LCV
Summary:Cartridge

Quantity in stock: 0

Note: Sales tax, and shipping will be calculated at checkout.

***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 RPESLCV (RPESLCV) is a pilot-operated, balanced-poppet relief cartridge valve designed to regulate pressure within hydraulic systems. Engineered to be normally closed, this valve opens when the inlet port 1 reaches a pre-set pressure, channeling flow to tank port 2 to maintain the desired pressure level. Known for its accuracy and smooth operation, the RPESLCV offers fast response times and minimal noise due to its internal modulation that mitigates cavitation issues. It is suitable for cross-port relief circuits as it can handle maximum pressure at port 2 and is effective in load-holding applications. This valve's design ensures reliability even under varying oil temperatures and contamination levels, aided by a main stage orifice protected by a 150-micron stainless steel screen. The RPESLCV features Sun's floating style construction, reducing risks of internal binding due to installation variances. It has an adjustable setting range facilitated by W and Y controls, with options for special settings if needed. With a cavity T-10A series 1 capacity of 25 gpm (95 L/min), the RPESLCV operates at a maximum pressure of 5000 psi (350 bar) and exhibits typical response times of around 7 ms. The valve's leakage rate is minimal at up to 10 drops/minute at 110 SUS (24 cSt). Installation requires specific torque values: valve installation torque ranges from 30-35 lbf ft (41-47 Nm), while the locknut torque is between 80-90 lbf in (9-10 Nm). The compact design includes an adjustment screw with an internal hex size of 5/32 inch (4 mm) and a locknut hex size of 9/16 inch (15 mm). Weighing just .30 lb (.15 kg), this cartridge valve also comes with an optional Viton seal kit for enhanced durability.

Description

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. These valves are accurate, smooth, quiet, fast, and have low pressure rise vs. flow.

Because the modulating occurs inside the cartridge, these valves are immune to most of the problems associated with cavitation, namely noise and manifold erosion.
Will accept maximum pressure at port 2; suitable for use in cross port relief circuits.
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.
W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.
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	4 gpm15 L/min.
Maximum Operating Pressure	5000 psi350 bar
Response Time - Typical	7 ms7 ms
Maximum Valve Leakage at 110 SUS (24 cSt)	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	.30 lb0,15 kg
Seal kit - Cartridge	Viton: 990-310-006

Show FAQ

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.
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.

SUN HYDRAULICSRPESLCV

Additional Resources

SUN HYDRAULICS
RPESLCV