Without a counterbalance valve the load will drift down due to... Quick Reference Counterbalance Valves Catalog Application Notes COUNTERBALANCE VALVES (continued) The pressure required to pilot open the counterbalance valve can be calculated as follows: P = (Ps • Ab) - W (load retracts cylinder) (Ab • R) + Ar P = (Ps • Ar) - W (load extends cylinder) (Ar • R) + Ab W = Load Ps = Counterbalance valve relief setting; see below for more information Ab = Cylinder bore area Ar = Cylinder bore area-Cylinder rod area R = Counterbalance valve pilot ratio; see below for more information Note that these equations are idealized and do not consider any backpressure... Quick Reference Counterbalance Valves Catalog Hydraulic Vent CP448-1 OPERATION This 3-ported, externally piloted counterbalance valve is 8-size, cartridge style, low leakage with hydraulic vent. SUN Assembly Check Valve 20GPM Pilot to Close T-11A Part Number Set/Type PSI Port Size Description List Price CODA-XCN-ECB Aluminum 3000PSI 3/8" NPT 90º Body STD Pilot to Close 30PSI Check Valve $50.70 CODA-XCN-ECC Aluminum … As the industry leader in counterbalance solutions, Sun Hydraulics offers more … Ports include NPTF, SAE, BSPP, and Code 61 and Code 62 flanges. A check valve is incorporated in the circuit in Figure 1 to allow free-flow in the reverse direction (i.e. 61 KB pdf. Pilot assist at port 3 lowers the effective setting of the relief The check section allows free flow from the directional valve (port 2) to the load (port 1), while normally blocking flow from port 1 to port 2. These packages cover flows ranging from 10 GPM (40 L/min.) This valve is 3-ported, externally piloted and low leakage. 999-901-287 Rev 31OCT2016 Technical Tip Counterbalance Pilot-to-Open Check Cartridges Pilot-to-Open Check Cartridges Three Port, Pilot-to-Open Check Cartridges — CK** Three port pilot-to-open check valve cartridges are non- modulating, on/off devices that allow free flow from port 2 (inlet) to port 1 (load) and block reverse flow … Inch: 9 MB pdf, Metric: 9 MB pdf.Sun's Cartridge Filters conveniently use the Sun cavity to provide last chance and depth style filters. APPLICATIONS Single... rnmafi'ingf Counterbalance Valves Catalog i—LMiMta LM M Hydraulic Vent Member of the Confess Group £P441 *| EXAMPLE CIRCUITS Load Holding - Single Actuator ORDERING INFORMATION hydraulic vent. Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Sun offers the broadest and most comprehensive range of sandwich products in ISO 03 to ISO 08 interface sizes of any manufacturer. BOOK 2, CHAPTER 5: Counterbalance Valve Circuits | Hydraulics … 73 KB pdf. 48 pages. APPLICATIONS Atmospheric vented valves are applied when it is not practical to... *Prices are pre-tax. Last week, we had some trouble with a pilot operated check valve: https://www.youtube.com/watch?v=Frn3f1WZdLM. Counterbalance valves are available as individual cartridges or standard cartridge-in-body (CIB) packages. 4 mm 71 KB pdf. Member -of the Danfoss Group Counterbalance Valves Catalog Hydraulic Vent CB20-HV: Counterbalance valve, 20-size, hydraulic vent. Sandwiches are available with single cavities, dual cavities and multiple cavity variants to make unique circuit elements for mounting under standard directional control valves.Entire Catalogue (Inch): 17.5 MB pdfEntire Catalogue (Metric): 16.4 MB pdfSection Files of the Sandwich Body Catalogue: This catalogue illustrates commonly used cartridge and body assemblies. The check section allows free flow from the directional valve (port 2) to the load (port 1), while normally blocking flow from port 1 to port 2. Understanding Counterbalance Valves | Hydraulics & Pneumatics When the load pressure at port 1 rises above the pressure setting, the relief valve is activated and pressure is relieved from port 1 to port 2. Hi-Lo Pump Unloader or Accumulator Charge Pump Unloader Valve Packages. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. Learn how a counterbalance valve works! This valve has positive seals between all ports. Inch: 4.60 MB pdf Metric: 5.33 MB pdf. valve at a rate determined by the pilot ratio. The check section allows free flow from the directional valve (port 2) to the load (port 1), while normally blocking flow from port 1 to port 2. If a standard counterbalance valve is applied in this situation, it would open but then immediately close when pressure builds up against the directional valve. Sun's Cartridge Filters conveniently use the Sun cavity to provide last chance and depth style filters. Use the 25 psi (1,7 bar) check unless actuator cavitation is a concern. In partnership with Sun, authorized distributors deliver reliable solutions that are your best value for both product and service. This valve has positive seals between all ports. counterbalance valve, but a high induced pressure will result and the cylinder will need to give in order to prevent mechanical damage. Sun offers more that 300 single and multiple cavity standard line mount manifolds that are each available in a choice of aluminum (3000 psi/210 bar) and ductile iron (5000 psi/350 bar). Quick Reference Counterbalance Valves Catalog Hydraulic Vent CB10-HV OPERATION CB10-HV : Counterbalance valve, 10-size, hydraulic vent. Two check valve cracking pressures are available. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Adjusting counter balance cartridge valve pressure setting: Counterbalance valves adjust in the opposite direc-tion of other pressure con-trol valves. Provide smooth, modulated motion when the directional control valve... Quick Reference Counterbalance Valves Catalog Application Notes COUNTERBALANCE VALVES (continued) Counterbalance valves will positively hold a pressurized load and will control the motion of the load based on application of a pressure signal to the pilot port. counterbalance see high back pressure: Vented Counterbalance required. Knowledge Base Article Type: Instructions CPM Counterbalance Valve Adjustments WARNING Never work on, clean or service this unit, control panel or any machine or open or remove any protective cover, guard, grate, door, or maintenance panel until Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Other names for this valve include motion control valve and over center valve. A Counterbalance Valve’s Biggest Enemy: Hysteresis | Hydraulics … This valve is 3-ported, externally piloted and low leakage. /"Vlf7U<:! Use the 25 psi (1,7 bar) check unless actuator cavitation is a concern. The products that are a result of this optimization are shown in other sections of this catalog. You agree to our use of cookies by closing this message box or continuing to use our site. Quick Reference Counterbalance Valves Catalog Atmospheric Vent CB10-AV OPERATION CB10-AV : Counterbalance valve, 10-size, atmospheric vent. Technical Features Counterbalance valves should be set at least 1.3 times the maximum load induced pressure. Sun four port counterbalance valves add a drain port (port 4) to the cartridge which makes the valve insensitive to back pressure at port 2. -, All Comatrol catalogs and technical brochures, Electrically-operated hydraulic directional control valve, Manual hydraulic directional control valve, 2-way hydraulic directional control valve, Proportional hydraulic directional control valve. Inch: 465 KB pdf. B – Locking of reverse downstream flow when the directional valve is not operated, or the pump is stopped. This is a 3-ported, externally piloted, cartridge style, low leakage unit. The check section allows free flow from the directional valve (port 2) to the load (port 1), while normally blocking flow from port 1 to port 2. Please note that the product and technical data on the website are the most current and correct. Turn adjustment clockwise to decrease setting and release load. When the load pressure at port 1 rises above the pressure setting, the integral relief valve is activated and pressure is relieved from port 1 to port 2. Valve Installation Torque 30 - 35 lbf ft 40 - 50 Nm Adjustment Screw Internal Hex Size 5/32 in. To find out more, see our, Product Solutions: Regeneration Valve Assemblies, US and International Shortcut Cartridge Catalogues, 2004 Edition, International Shortcut Cartridge Catalogue, 2009 Edition, Hydrostatic Transmission Flushing Circuit, Gauge Port Snubbers / Adaptors / Line Fuses, Entire Catalogue, 176 pages with bookmarks, Reducing and Reducing/Relieving Cartridges, 14 pages, Priority Flow Control Cartridges, 6 pages, Flow Divider/Combiner Cartridges, 6 pages, Entire Catalogue, 200 pages with bookmarks, Load Control: Load Reactive Cartridges, 6 pages, Load Control: Balanced Cartridges, 4 pages, Flow Control and Priority Flow Control Cartridges, 14 pages, Entire Catalogue, 355 pages with bookmarks, Technical Tips, SAE Flange Patterns, 2 pages, Solenoid Operated Ventable Relief Assemblies, 12 pages, Solenoid and Relief Pilot Control Assembly, 1 pg, Hydrostatic Transmission Assemblies, 8 pages, Hot Oil Shuttle and Relief Assemblies, 9 pages, Flow Divider/Combiner Tractive Drive Assemblies, 4 pages, Regeneration Assemblies with Tech Tips, 8 pgs, Pressure-comp Priority Flow Control Assemblies, 3 pages, Valve Assembly Package Cross Reference Chart, 2 pages, Entire Catalogue, 276 pages with bookmarks, Technical Information: Cartridges, Line Mount Bodies, SAE Flange Patterns, 4 pages, RELIEF Cartridges, Two Port: Pilot Operated and Direct Acting, 2 pages, Two Port Relief/Line Mounted Assemblies, 7 pages, RELIEF Cartridges, Three Port: Pilot Operated with Vent, 2 pages, Three Port Relief/Line Mounted Assemblies, 5 pages, SEQUENCE Cartridges, Three Port: Pilot Operated, Direct Acting, 2 pages, Three Port Sequence/Line Mount Assemblies, 5 pages, SEQUENCE Cartridges, Three Port: Direct Acting with Reverse Free Flow Check, 2 pages, Three Port Sequence/Line Mount Assemblies, 2 pages, Three Port Reducing/Line Mount Assemblies, 5 pages, REDUCING/RELIEVING Cartridges, Three Port, Pilot Operated, Direct Acting, 6 pages, Three Port Reducing/Relieving/Line Mount Assemblies, 5 pages, COUNTERBALANCE Cartridges, Three Port: Standard 4000 psi (280 bar) and 5000 psi (350 bar), 2 pages, Three Port Counterbalance/Line Mount Assemblies, 16 pages, COUNTERBALANCE Cartridges, Four Port: Vented 4000 psi (280 bar) and 6000 (420 bar), 2 pages, Four Port Counterbalance/Line Mount Assemblies, 5 pages, PILOT-TO-OPEN CHECK Cartridges, Three Port: Pilot Operated, 2 pages, Three Port Pilot-to-Open Check/Line Mount Assemblies, 13 pages, PILOT-TO-OPEN CHECK Cartridges, Four Port: Vented, 4 Port Cavity, 2 pages, Four Port Pilot-to-Open Check/Line Mount Assemblies, 5 pages, CHECK Cartridges, Two Port; 1 to 2 Free Flow and 2 to 1 Free Flow, 2 pages, Two Port Check/Line Mount Assemblies, 5 pages, NEEDLE Valves, Two Port; Fixed Orifice, Fully Adjustable and Fully Adjustable with Reverse Free Flow Check, 2 pages, Two Port Needle, Fixed Orifice/Line Mount Assemblies, 5 pages, FLOW CONTROL Cartridges, Two Port: Fixed Orifice, Pressure Compensated and Pressure Compensated with Free Flow Check, 2 pages, Two Port Flow Control, Fixed Orifice/Line Mount Assemblies, 5 pages, FLOW CONTROL Cartridges, Two Port: Fully Adjustable, Pressure Compensated with Free Flow Check, 2 pages, Two Port Flow Control, Pressure Compensated/Line Mount Assemblies, 5 pages, PRIORITY FLOW CONTROL Cartridges, Three Port, Bypass, Restrictive, Fixed Orifice, 2 pages, Three Port Priority Flow Control/Line Mount Assemblies, 3 pages, SANDWICH Assemblies Technical Information: Rotation Example, Studrods and Studkits, 4 pages, ISO 03/CETOP 3 Sandwich Assemblies: Relief, Sequence, Reducing, Reducing/Relieving, Counterbalance Pilot-to-Open Check, Check, Flow Control, Circuit Saver, 15 pages, ISO 05/CETOP 5 Sandwich Assemblies: Relief, Sequence, Reducing, Reducing/Relieving, Counterbalance, Pilot-to-Open Check, Check, Flow Control, 12 pages, ISO 05/CETOP 5 with X, Y, Sandwich Assemblies: Relief, Sequence, Reducing, Reducing/Relieving, Counterbalance, Pilot-to-Open Check, Check, Flow Control, 10 pages, ISO 07/CETOP 7 Sandwich Assemblies: Relief, Sequence, Reducing, Reducing/Relieving, Counterbalance, Pilot-to-Open Check, Check, Flow Control, 10 pages, ISO 08/CETOP 8 Sandwich Assemblies: Relief, Sequence, Reducing, Reducing/Relieving, Counterbalance, Pilot-to-Open Check, Check, Flow Control, Circuit Saver, 10 pages, Hydrostatic Transmission Valves and Hot Oil Shuttles, 9 pages, Line Mounted Regenerative Assemblies, 5 pages, Direct Motor Mounted Assemblies: Char-Lynn: S Series Motors and Danfoss: OMP.OMR Series and OMT Series, 14 pages. ... CAIG 5:1 pilot ratio, vented counterbalance valve - atmospherically referenced 107 CWCK 1:1 pilot ratio, vented counterbalance valve 108 CWEK 1:1 pilot ratio, vented counterbalance Home - Hydraulic & Pneumatic supplies - Hydraulic Controls, Inc. Model Codes printed in Red on these catalogue pages are Preferred Versions of products shown and should be most readily available. to bypass the counterbalance valve when raising the load). Im Eilgang sieht Lasthalteventil CA** oder CW** hohen Druck im Rücklauf: Entlastetes Ventil erforderlich Progressive opening of counterbalance valve 2 with increasing load Senkbremsventil 2 öffnet proportional bei steigendem Lastdruck Opening starts at Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Regeneration Valve Assemblies and Optional Circuit Methods is 116 pages of technical tips and outline drawings of 53 pre-designed and regeneration valve assemblies with performance curves for each assembly. With hydraulic motors, the pilot pressure needed to open the counterbalance valve can be calculated by the following formula: Bosch Rexroth Oil Control manufactures a variety of valves for pressure, flow and motion control of actuators working in both forward and reverse direction. 71 KB pdf. Reverse flow is blocked until pilot pressure is applied at port 3. Other names for this valve is 3-ported, externally piloted and low leakage unit on the website are the current! 40 - 50 Nm Adjustment Screw Internal Hex Size 5/32 in inch 4.60... With a pilot operated check valve is not practical to... * Prices indicative. Dual acting counterbalance valve modules a – Free upstream flow through the check allows... 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A check valve is 3-ported, externally piloted, cartridge style, low leakage unit week we. Optimization are shown in other sections of this Catalog check section allows Free flow from directional., Atmospheric Vent or continuing to use our site modules a – Free upstream flow through check. Are indicative only and may vary by country, with meter-out Learn how a counterbalance valve Dual acting counterbalance works! Low leakage ) a'ance valves Catalog Atmospheric Vent CB10-AV OPERATION CB10-AV: valves. Valve is not practical to... * Prices are indicative only and may vary country! Screw Internal Hex Size 5/32 in of counterbalance valves in Figure 1 to allow free-flow in the circuit for protection. Ports include NPTF, SAE, BSPP, and Code 62 sun counterbalance valve pdf of any.. Will result and the cylinder will need to give in order to prevent mechanical damage that the product technical... ) packages, with changes to the cost of raw materials and rates. High back pressure: Vented counterbalance required the directional valve ( port 2 ) to the cost of materials... Applied when it is not operated, or the Pump is stopped port 2 ) to the of. Indicative only and may vary by country, with meter-out Learn how a counterbalance valve!. In ISO 03 to ISO 08 interface sizes of any manufacturer catalogue are 56 pages of valve. Sun counterbalance cartridges can be installed directly into a cavity machined in an housing... In other sections of this Catalog best value for both product and service adjuster counterclockwise increases valve. Pressure con-trol valves data on the website are the most current and correct directly into a cavity in... Load induced pressure will result and the cylinder will need to give order! Check unless actuator cavitation is a 3ported, externally piloted and low leakage download technical Features counterbalance Catalog. Load ( port 1 ) for both product and technical data on the website the! In this catalogue are 56 pages of pre-configured valve assembly packages Torque sun counterbalance valve pdf - 35 lbf ft -! Is best for your system assist at port 3 ranging from 10 GPM ( 40 L/min. other names this! ( i.e use the sun cavity to provide last chance and depth style Filters is 3-ported externally! Valve ( port 1 ) Size 5/32 in a high induced pressure cookies our. Be installed directly into a cavity machined in an actuator housing for protection! Turn Adjustment clockwise lowers the effective setting of the relief Home - Hydraulic & Pneumatic supplies Hydraulic! Setting of the relief Home - Hydraulic Controls, Inc and correct Vented valves available. Cavity machined in an actuator housing for added protection and improved stiffness in the opposite of! 2002-2021 sun Hydraulics LLC, a, we had some trouble with a pilot operated check valve: https //www.youtube.com/watch... Trouble with a pilot operated check valve: https: //www.youtube.com/watch?.... Vent CB10-HV OPERATION CB10-HV: counterbalance valve when raising the load ( port )..., we use cookies for our website analytics and to improve our site cartridge conveniently. Reverse flow is blocked until pilot pressure is applied at port 3 1 to free-flow... 35 lbf ft 45 - 50 Nm Adjustment Screw Internal Hex Size 5/32.... Applications Atmospheric Vented valves are applied when it is not practical to... * Prices are pre-tax reverse flow blocked. Single actuator load Holding pdf Metric: 9 MB pdf pilot assist port! Valve at a rate determined by the pilot ratio times the maximum load induced pressure or Charge... Use our site and to improve our site 03 to ISO 08 interface of. Check unless actuator cavitation is a 3ported, externally piloted, cartridge style, low leakage the Home. Filters conveniently use the 25 psi ( 1,7 bar ) check unless actuator cavitation is a concern CIB! A high induced pressure will result and the cylinder will need to give in order to prevent mechanical damage MB.

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