The unloading at the main spool 3, however, is acheived by the builtin directional valve 16. Piping between the two is eleminated as the solenoid valves is directly mounted on the relief valve and connected with the relief valve vent. It serves as a pilot valve for a low flow rate hydraulic system or a proportional electrohydraulic control valve and controls the pressure in proportion to the input current. For dimensions of the valve mounting surface, see the. Pilot operated relief valves c pilot operated relief valves pilot operated relief valves these valves protect the hydraulic system from excessive pressure, and can be used to maintain constant pressure in a hydraulic system.
Pilot operated relief valves here have been particularly developed as lownoise types. Yuken hydraulic pressure control valves relief valves. Able to protect pumps and control valves against excessive pressures, they are used to control the pressure in the hydraulic system to a constant level. This yuken hydraulic relief valve offers a full range for adjustable pressure. Relief modular valves graphic symbols mbp01 mba01 mbb01 the minimum adjustment pressure equals the value obtained from the minimum adjustment pressure characteristics plus the tank line back pressure of next page. Gpm 50 100 0 10 20 30 flow rate high venting pressure feature standard bucg10 1. The valves have standardized mounting surface conforming to iso 4401af104a and optimum thickness for the stacking. Hydrank brand solenoid operated relief valves are a combination of relief valve and solenoid valve. Pressure relief valves are used in hydraulic systems to limit the system pressure to a specific set level. Logic valves yuken s logic valves comprise cartridge type elements and covers with pilot passages.
Proportional electrohydraulic pilot relief valves this valve consists of a small dc solenoid and a directacting relief valve. To protect the pumps and control valves from an excessive pressure. Gpm for throttle and check moduler valve msamsbmsw. When subplates are not used, the mounting surface should have a good machined finish.
Remote control relief valves ybt01 2501080 dimensions in millimetres 30 8. Yuken and its products are recognised as an industry leading brand, utilised in various regular and specialist applications around the world. Vickers cg2v10, cg5v10 pressure relief valves subplate mount. Use high venting pressure types to reduce response time from unloading to onloading. Our corporation has 15,000 square meters area and 280 staff. The lownoise solenoid controlled relief valve is a combination of a lownoise type pilot operated relief valve and a solenoid operated directional valve. Yuken series valves part name picture comments pressure controls valves remote control relief valves direct type relief valves pilot operated relief valves be used as a remote control valve for pilot operated type pressure control valves. Relief modular valves mbp03, mba03, mbb03, mbw03 yuken. Dt0122 dg0122 be used in a hydraulic circuit to prevent damage due to over pressure and to.
For relief valves, standard pilot operated relief valves are used. Yuken directional control valves pdf80, 90, 100, 125, 150. Remote control relief valves yuken hydraulic equipment. If this set level is reached, the pressure relief valve responds and feeds the excess flow from the system back to the tank. In addition, if the internal volume of the vent line is too large, chattering is likely to occur. For use with hydraulic fluids other than those listed above, please consult your yuken representatives in advance. Vickers cg2v10, cg5v10 pressure relief valves subplate.
Pump pressure may be unloaded remotely by an electrical signal to the solenoid, or by connecting pilot relief valves to the solenoid valve ports. These valves consist of a small size but high performance 18 electrohydraulic proportional pilot relief valve and a relief valve specially developed as low noise type. This back pressure should include the value of the tline pressure drop characteristics modular valve. Remote control relief valves dt dg01 threaded connections subplate mounting specifications model number designation others pressure controls specifications model numbers threaded subplate connection mounting dg0122. Model numbers threaded connection subplate mounting. D04896 a polyhydron group company sectional view and part list 5 of 6 19 2 18 1 30 26 12 35 t4 34 16 t1 wrench key spanner spanner t2 t3 tools required 19 af 5 af 36 af 1 4 af 19 af.
This valve is used as a remote control valve for pilot operated type pressure control valves. Piping between the two is eliminated as the solenoid valve is directly mounted on the relief valve and connected with the relief valve vent. Able to protect pumps and control valves against excessive pressures. Details of proportional electrohydraulic relief valve. Operated by electric signals or when combined with a remote control relief valve, creates a two or three pressure control system for your hydraulics. For subplate valve only engineering d04896 direct acting pressure relief valve model. H type pressure control valves there are various types of valve including sequence, unloading and low pressure relief valves, all of which are operated by a. Lbs 0 lbs 12 solenoid controlled relief logic valves these solenoid controlled relief logic valves are composite control.
Deng i s number 03 61 proportional electro hydraulic flow control and relief valve efb. Ebg proportional relief valves this valve is derived by combining a small, highperformance 18 proportional electrohydraulic pilot relief valve with a specially developed lownoise relief valve. Obtained when yuken s applicable power amplifier is used under the same conditions. Remote control relief valves pressure controls remote control relief valves this valve is used as a remote control valve for pilot operated type pressure control valves. The pressure relief valve may be unloaded or switched over to a different pressure second pressure stage via port x 15. Pump pressure may be unloaded remotely by an electrical signal to the solenoid valve.
With this valve, it is possible to regulate the system pressure in proportion to the input current. We supply standard, offtheshelf products but at yuken, we will always go the extra mile to understand your needs and provide solutions which will allow you to meet the increasingly tough challenges that we all face. Unloading relief valves are used to operate pumps under a minimum load in accumulator or 2pressure pump circuits etc. Yukens pilot operated relief valves here have been particularly developed as low noise type.
For stable performance, it is recommended that yukens applicable power amplifiers be used. Unloading relief valves bucg06,10 cutout pressure 20 mpa 0 2000 3000 psi 0510 15 cutin pressure 2500 18 psi mpa 8 4 0 16 12 2000 1500 500 0 bucg06 unloading pressure 1. Unloading relif valves c unloading relief valves unloading relief valves these valves are used to operate the pumps with minimum load in accumulator circuits or in highlow pump circuits. Yuken logic valves can be incorporated in manifold blocks to form optimum integrated hydraulic.
Remote control and unloading are permitted by using vent circuits. Unloading relief valves bucg0610 34, 114 subplate mounting pressure controls specifications model number designation up to 21 mpa 3050 psi, 250 l min 66 u. By combining a lownoise pilotoperated relief valve and a solenoid operated directional valve, yuken created a noload pump. These valves protect the hydraulic system from excessive pressure, and can be used to maintain constant pressure in a hydraulic. Yuken hydraulic equipment progressive power and control.
Graphic symbol direct type relief valves open the catalog to page 1 pressure controls nominal override characteristics hydraulic fluid viscosity. Pump pressure may be unloaded remotely by an electrical signal. This catalogue describes yukens primary standard oil hydraulic equipment. Pilot operated relief valves yuken hydraulic equipment. Pressure control valves bg bt series pilot operated. In accumulator circuits, when the system pressure reaches to a cut out pressure adjusted maximum, the valve acts to divert the pump. When the valve is used for vent control of relief valves or others, use the pipes of 6 mm. Models with vent restrictor are applicable only for the vent type 2b3a and 2b3b. Solenoid controlled relief valves these valves are a combination of a pilot operated relief valve and a solenoid operated directional valve.
Directional control valvesyuciyuken hydraulics cn co. Gpm these valves are used to operate the pumps with minimum load in accumulator circuits or in highlow pump circuits. Logic valves solenoid controlled relief logic valves. This valve is used in a hydraulic circuit to prevent damage due to over pressure and to adjust the maximum circuit pressure of small. Proportional electrohydraulic pilot relief valves yuken. Relief valve for pline30 design number design standard 30 refer to f mbp 01 c pres. The constitution was adopted by the indian constituent assembly on 26 november 1949, and came into effect on 26 january 1950 with a democratic government system, completing the countrys transition towards becoming an independent republic. Various types may be combined for direction, flow rate and pressure control. Gpm these valves are used to operate the pumps with minimum load in. Modular valves dn10, cetop 5, 38 relief modular valves mbp03, mba03, mbb03, mbw03 relief modular valves mbp protect the hydraulic system from excessive pressure and can be used to maintain constant pressure in a hydraulic system. Special seals for phosphate ester type fluids omit if not required series number d. The valves control the system pressure proportionally through a controlled input voltage. Relief valves remote control direct type pilot operated solenoid controlled instructions hydraulic fluids pressure controls caution when.
Yuken s 10 series modular valves are widely used to compose the hydraulic systems for the various industrial and marine equipment including big machine purpose machines and injection molding machines. For minimum adjustment pressures and other characteristics, see page 214. Pressure relief valve type cg5v the function of this valve is basically same as the valve type cg2v. Range mpa psi valve size 01 special seals series number c. Remarks 2 use only for dg02 1 1 oring oring oring 12 14 sonbp9 sonap12 sonbp22. Direct type relief valves yuken hydraulic equipment. To adjust the pressure, loosen the lock nut and turn the handle slowly. If the valve is provided with a vent ristrictor ex. Cetop 5 ng10 pressure relief valve yuken hydraulic. Pilot relief valves relief valves relieving and reducing valves 40 series flow control and check valves 10 series flow control and check valves high flow series. Solenoid operated directional valve is included in the number of stack. Pilot operated relief valves instructions if a remote control relief valve is used in the vent circuit, see page 1 in eicc10010. The valves can control the pressure in a hydraulic system proportionally through a controlled ntnput.
High flow series proportional electrohydraulic relief. With the help of vent lines, they are also capable of remote and unload control. Yuken sbsg series low noise solenoid controlled relief valves. The valves control the system pressure proportionally through a. Direct acting pressure relief valve a polyhydron group. Unloading relief valves bucg06,10 cutout pressure 20 mpa 0 2000 3000 psi. Yuken logic valves can be incorporated in manifold blocks to form optimum integrated hydraulic circuits and compact hydraulic power units. Relief valves direct type relief valves pilot operated relief valves low noise type pilot operated relief valves brake valves unloading relief valves. Relief modular valves mbp01 relief modular valves mbp protect the hydraulic system from excessive pressure and can be used to maintain constant pressure in a hydraulic system. Hydraulic pumps, hydraulic motors, directional control valves. Proportional electrohydraulic relief and flow control valves. Type pressure control valves hc t, hcg these valves are hydraulically damped, direct operated, pressure control valves which can be actuated by internal or external pilot pressure.
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