RVCK-LJN – Sun Hydraulics FLeX Series 2-stage, solenoid-operated adjustable relief valve, normally vented

RVCK-LJN Sun Hydraulics Relief Valve – installation dimensions drawing, cavity T-10A
RVCK-LJN Sun Hydraulics Relief Valve – hydraulic schematic symbol
RVCK-LJN Sun Hydraulics Relief Valve – performance curve (pressure drop vs flow)
RVCK-LJN Sun Hydraulics Relief Valve – performance curve (pressure drop vs flow)
RVCKLJN Sun Hydraulics Relief Valve – 2D outline drawing
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Part number: RVCKLJN · RVCK-LJN · RVCK LJN

Brand Sun HydraulicsType Relief ValvesCapacity 25 gpm (95 L/min.)Cavity T-10A

FLeX Series 2-stage, solenoid-operated adjustable relief valve, normally vented. Cavity T-10A, capacity 25 gpm (95 L/min.). Genuine Sun Hydraulics cartridge — MultiFlow is an authorized distributor.

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SKU: RVCK Category: Brand:

RVCK-LJN overview

RVCKLJN (RVCK-LJN, RVCK LJN) is a Sun Hydraulics Sun Hydraulics FLeX Series 2-stage, solenoid-operated adjustable relief valve, normally vented, rated 25 gpm (95 L/min.) and installed in cavity T-10A. MultiFlow supplies genuine Sun Hydraulics cartridges in the UAE, GCC and India — use Add to Enquiry above for availability and a quotation.

Ordering codes

Pick the code that matches the material and finish you need. Add it to your enquiry above, or tap a code to select it.

RVCKLJN No coilNo coil
RVCKLJN211 DIN 43650-Form A, 115 VACDIN 43650-Form A, 115 VAC
RVCKLJN212 DIN 43650-Form A, 12 VDCDIN 43650-Form A, 12 VDC
RVCKLJN212D DIN 43650-Form A, 12 VDC, with transient voltage suppression (TVS) diodesDIN 43650-Form A, 12 VDC, with transient voltage suppression (TVS) diodes

Specifications

CavityT-10A
Series1
Capacity25 gpm (95 L/min.)
Maximum Operating Pressure5000 psi (350 bar)
Factory Pressure Settings Established at4 gpm (15 L/min.)
Maximum Valve Leakage at 110 SUS (24 cSt)5 in³/min.@2000 psi (80 cc/min.@140 bar)
Response Time - Typical50 ms
Response Time - Typical (Relief)10 ms
Adjustment - No. of CW Turns from Min. to Max. setting3.5
Valve Hex Size7/8 in. (22,2 mm)
Valve Installation Torque30 - 35 lbf ft (41 - 47 Nm)
Adjustment Screw Internal Hex Size1/8 in. (3,2 mm)
Locknut Hex Size7/16 in. (11,1 mm)
Locknut Torque45 - 55 lbf in. (5 - 6 Nm)
Model Weight.40 lb (0,20 kg)
U.S. Patent #10,533,584
Seal kit - CartridgeViton: 990010006

How to read RVCKLJN

Sun part numbers are the model followed by one code per option. Hyphens, slashes and spaces are only dividers, so RVCKLJN, RVCK-LJN, RVCK LJN are the same part.

ModelRVCK — Sun Hydraulics FLeX Series 2-stage, solenoid-operated adjustable relief valve, normally vented
ControlL — Standard Screw Adjustment
Adjustment RangeJ — 300 - 5000 psi (20 - 350 bar), 1000 psi (70 bar) Standard Setting
Seal MaterialN — Buna-N
Material / coatingAdd /AP (stainless steel, passivated) or /LH (mild steel, zinc-nickel) to the end; no suffix is the standard finish.
Control options
  • L — Standard Screw Adjustment
Adjustment Range options
  • J — 300 - 5000 psi (20 - 350 bar), 1000 psi (70 bar) Standard Setting
Seal Material options
  • N — Buna-N
  • V — Viton
  • E — EPDM
Coil options
  • — No coil
  • 211 — DIN 43650-Form A, 115 VAC
  • 212 — DIN 43650-Form A, 12 VDC
  • 212D — DIN 43650-Form A, 12 VDC, with transient voltage suppression (TVS) diodes
  • 214 — DIN 43650-Form A, 14 VDC
  • 214D — DIN 43650-Form A, 14 VDC, with transient voltage suppression (TVS) diodes
  • 223 — DIN 43650-Form A, 230 VAC
  • 224 — DIN 43650-Form A, 24 VDC
  • 224D — DIN 43650-Form A, 24 VDC, with transient voltage suppression (TVS) diodes
  • 228 — DIN 43650-Form A, 28 VDC
  • 228D — DIN 43650-Form A, 28 VDC, with transient voltage suppression (TVS) diodes
  • 612 — AMP Junior Timer, 12 VDC
  • 612D — AMP Junior Timer, 12 VDC, with transient voltage suppression (TVS) diodes
  • 614 — AMP Junior Timer, 14 VDC
  • 614D — AMP Junior Timer, 14 VDC, with transient voltage suppression (TVS) diodes
  • 624 — AMP Junior Timer, 24 VDC
  • 624D — AMP Junior Timer, 24 VDC, with transient voltage suppression (TVS) diodes
  • 628 — AMP Junior Timer, 28 VDC
  • 628D — AMP Junior Timer, 28 VDC, with transient voltage suppression (TVS) diodes
  • 712 — Twin Lead, 12 VDC
  • 712D — Twin Lead, 12 VDC, with transient voltage suppression (TVS) diodes
  • 714 — Twin Lead, 14 VDC
  • 714D — Twin Lead, 14 VDC, with transient voltage suppression (TVS) diodes
  • 724 — Twin Lead, 24 VDC
  • 724D — Twin Lead, 24 VDC, with transient voltage suppression (TVS) diodes
  • 728 — Twin Lead, 28 VDC
  • 728D — Twin Lead, 28 VDC, with transient voltage suppression (TVS) diodes
  • 812 — Metri-Pack, 12 VDC
  • 812D — Metri-Pack, 12 VDC, with transient voltage suppression (TVS) diodes
  • 814 — Metri-Pack, 14 VDC
  • 814D — Metri-Pack, 14 VDC, with transient voltage suppression (TVS) diodes
  • 824 — Metri-Pack, 24 VDC
  • 824D — Metri-Pack, 24 VDC, with transient voltage suppression (TVS) diodes
  • 828 — Metri-Pack, 28 VDC
  • 828D — Metri-Pack, 28 VDC, with transient voltage suppression (TVS) diodes
  • 912 — Deutsch DT04-2P, 12 VDC
  • 912D — Deutsch DT04-2P, 12 VDC, with transient voltage suppression (TVS) diodes
  • 914 — Deutsch DT04-2P, 14 VDC
  • 914D — Deutsch DT04-2P, 14 VDC, with transient voltage suppression (TVS) diodes
  • 924 — Deutsch DT04-2P, 24 VDC
  • 924D — Deutsch DT04-2P, 24 VDC, with transient voltage suppression (TVS) diodes
  • 928 — Deutsch DT04-2P, 28 VDC
  • 928D — Deutsch DT04-2P, 28 VDC, with transient voltage suppression (TVS) diodes
  • JM24BD — Explosion Proof, Metric (M20 X 1.5), 24 VDC, 180 Degree, CSA and ATEX Certification
  • JM24CD — Explosion Proof, Metric (M20 X 1.5), 24 VDC, 90 Degree, CSA and ATEX Certification
  • JN24BD — Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 180 Degree, CSA and ATEX Certification
  • JN24CD — Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 90 Degree, CSA and ATEX Certification

Manifold & standard assemblies

Sun manifolds for cavity T-10A (293)

View all 293 →

Technical features

  • 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.
  • Designed and tested to 10-million operational cycles at full-rated pressure.
  • Exceeds new NFPA test standard T2.6.1 R2014 for fatigue and burst pressure ratings.
  • Higher flow rates than competing valves of similar size.
  • All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection.
  • Coil connector options offer ratings up to IP69K. See individual coil product pages for details.
  • This cartridge utilizes both 740 Series high-power and 747 Series hazardous location coils.
  • Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
  • Main stage orifice is protected by a 150-micron stainless steel screen.
  • Will accept maximum pressure at port 2.
  • All configurations of this valve are assembled with a non-removable adjust screw.
  • FLeX Series relief valves are fully compatible with the XMD Expandable Mobile Drivers from Sun.
  • A FULL DATA SHEET is available for this model using the link at the top of the page.
  • A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
  • 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.

Drawings, symbol & performance curves

RVCK-LJN Sun Hydraulics Relief Valve – hydraulic schematic symbol
hydraulic schematic symbol
RVCK-LJN Sun Hydraulics Relief Valve – performance curve (pressure drop vs flow)
performance curve (pressure drop vs flow)
RVCK-LJN Sun Hydraulics Relief Valve – performance curve (pressure drop vs flow)
performance curve (pressure drop vs flow)
RVCKLJN Sun Hydraulics Relief Valve – 2D outline drawing
2D outline drawing

Downloads

Datasheet

Technical reference sheets

CAD files

Frequently asked questions

Is RVCKLJN the same as RVCK-LJN?

Yes. Sun Hydraulics writes this part number as RVCKLJN. It is the model RVCK followed by the configuration code; hyphens, slashes and spaces are only dividers, so RVCKLJN, RVCK-LJN, RVCK LJN all refer to the same product.

Do you supply RVCKLJN in the UAE, GCC and India?

Yes. MultiFlow supplies genuine Sun Hydraulics cartridges, including RVCKLJN, to customers in the UAE, the wider GCC and India. Use Add to Enquiry on this page for availability, lead time and a quotation.

Can I get the datasheet and CAD files?

Yes. The datasheet, technical reference sheets and CAD files (DXF, DWG, STP) are listed in the Downloads section of this page.

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.

What parts of the Sun cartridge valve are field serviceable?
Only external seals are serviceable.  Sun offers replacement seal kits for all cartridge models. The applicable kit part number can be found in the product page's Technical Data table or by using our Cartridge Seal Kit search function located under Accessories. Please note: Converting the external seals from one material to another does not ensure fluid compatibility with that material due to the existence of internal seals within the cartridge.
Is the FLeX program available in QuickDesign SmartConnect?

Yes. All FLeX phase 1 valves are available in the SmartConnect schematic tool, and are also available for submittal to QuickDesign.

Do FLeX valves utilize a floating nose design?
Yes. All FLeX valves utilize the Sun floating nose design.
What is the difference between nominal and maximum flow capacity?
Nominal flow capacity is based on performance limits. Maximum flow capacity is based on pressure drop. When selecting any direct-acting solenoid valve, first check the performance limits plot, then check if pressure drop is acceptable.

Manufacturer reference: https://www.sunhydraulics.com/model/RVCK

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