Code description c 25 bar 363 psi d 45 bar 653 psi code style c e k d1fv onboard electronics d1fv offboard electronics. For gases a pressure reducing valve can normally be fitted in horizontal pipelines with the spring cap at the bottom or at the top. At rest, the valve is normally open and the pressure. Discover all cad files of the bosch rexroth hydraulics category from suppliercertified catalogs solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Pressure reducing and relieving, direct acting spool type, with free flow check valve re. We offer these products in various specifications to our respected customers. Type drem and dreme valves are pilot operated pressure reducing valves, used to reduce operating pressure. For the free flow back from channel a to channel b, you can. The valve type dr 6 dp is a 3way direct operated pressure reducing valve with a pressure relief function in the secondary circuit. The following data sheet show only a fraction of this miscellaneous. Pressure reducing valve, direct operated duncan rogers. In version db, it must be ensured that the pressure in port b is not higher than the set pressure when the directional valve is in position p to a, otherwise pressure in port a will be reduced.
Pressure reducing valves direct acting hydac direct acting pressure reducing valves are springloaded spool vales which are used to control the pressure of consumers in hydraulic systems. A water pressure reducing valve, also often called a pressure regulator, is a plumbing device that controls the flow of water and stops the flow once a certain pressure is reached. The proportional solenoids are controllable wetpin dc solenoids. The outlet pressure to the consumer is kept constant, even as the inlet pressure andor the load situation fluctuates. Here the secondary port must be connected directly to tank. Back pressure valve, directly operated, internal drain, type 1 sequence valve, directly operated, external drain, type 2 sequence valve, remotely. Pressure reducing valve z3dr 310 re 26874, edition. A control slide is axially shiftable in the axial bore and has first and second pistons controlling fluid flow through the control bores. Pressure reducing valve, pilot operated type zdr 10 v. Pressurereducing valve all industrial manufacturers. Version ms enables measurement and monitoring of the set secondary pressure via a pressure load cell at the measuring port 4 refer to page 6. A reducing valve can also function as an adjustable restrictive pressure compensator. Pressurecontrolled directly operated proportional pressure relief.
Download goto hydraulics catalog documentation and resources. Sun hydraulics reducing and reducingrelieving valves have. A check valve can only be used with version da to allow a free. Mar 28, 2016 in this lesson well reacquaint ourselves with the larger pressure control valve family and examine the pressure reducing valve in detail. Pressure reducing valves, the watts industries expertise watts, inventor of the modern pressure reducing valve concept, designs and manufactures a complete range for all needs. Porting pattern according to iso 44010302005 and nfpa t3. Unloading valve type 4 internal drain, remotely operated.
The pressure valves basically consist of pilot control valve 1 and housing 2. They serve for reduction and control of secondary pressure. Pressure reducing valves, sandwich module, direct operated. Apr 15, 2016 a quick overview of the behaviour of a pilot operated pressure reducing valve. Backpressure in the drain line adds to the spring setting, thus raising the set pressure. Series 5x size 6 max operating pressure 315 bar max flow 60 lmin for subplate mounting. When the pressure at reg exceeds the pressure setting, the valve acts to restrict input flow at p. Pressure reducing valves type zdr 6 d are 3way direct operated pressure reducing valves of sandwich plate design with a pressure relief function on the secondary side. Get the best deals on rexroth air pressure regulators when you shop the largest online selection at. A wide variety of rexroth pressure relief valve options are available to you, such as manual. Pressure regulators can also be used for gas, in diving air tanks, and to optimise the operation of certain recreational vehicles. Pressure reducing valve direct operated, type zdr 10 d. Pressure reducing and relieving, direct acting spool. These operating instructions apply to the explosionproof version of rexroth valves and consist of the following three parts.
Pressure reducing valves type zdr 6 d are 3way direct operated pressure reducing valves of. Replace rexroth proportional pressure reducing valve 3drep6a 3drep6c 3drepe6 3drem16p 3dreme16p. Know how pressure reducing valves pressure reducing valves reduce a high and frequently fluctuating pressure to an adjustable constant pressure downstream of the valve. Additionally, if pressure at reg rises above the pressure setting, flow is relieved to r tank until the setting is reattained. Water pressure reducing valves for sale shop with afterpay. Victor group from mumbai, india is a supplier, wholesaler, distributor and exporter of rexroth pressure control pressure relief valves at reasonable price. Pressure reducing and relieving, direct acting spool type, with free flow check valve initially, flow passes freely from p to reg.
Type dr pressure valves are pilot operated pressure reducing valves, which are controlled from the secondary circuit. Pilot operated pressure reducing valve part 1 youtube. Always connect the drain line of a pressurereducing valve to a free flow tank line. Auxiliary valves pressure reducing valves bosch rexroth oil control manufactures a variety of partsinbody valve modules for many different functions of hydraulic systems in both mobile and industrial equipment.
Pressure reducing valve, pilot operated, type zdrk 10 v. Pressure reducing valve, pilot operated, type zdrk 10 v nominal size 10 series 1x. Rexroth dbds6 dbdh6 dbds6k pressure relief cartridge valve. Rexroth pilotoperated pressure reducing valves feature. Pressure relief valves of type dbd are direct operated seat valves. Pressure reducing, pilot operated spool type bosch rexroth. Find great deals for rebuilt rexroth 3drep 6 c25a24nzmr control. Re 29184xeb2 function, section the 3way pressure reducing valve type 3drep 6 is direct operated by proportional solenoids. For the free flow back from channel a to channel p, you can optionally install a check valve 5. Find your pressure reducing valve easily amongst the 178 products from the leading brands hawe, bosch rexroth, spirax sarco. Pressure reducing valves type zdr 6 d are 3way direct operated pressure reducing valves of sandwich plate design with a pressure. The best for you and your customers, because depending on quality products ensures peace of mind. Rexroth proportional valve suppliers directory choose quality verified rexroth proportional valve suppliers and manufacturers, wholesale rexroth proportional valve sellers and exporters at. They maintain a largely constant outlet pressure even at a variable higher inlet pressure.
A spring keeps the valve open and this closes as the outlet pressure rises. Pressure reducing valve directlycontrolled or pilotcontrolled design. Pressure reducing valves are a type of pressure control valve. The valve can be used to sequence independently of the primary pressure. Rexroth pressure control pressure relief valves supplier. Pressure reducing valve spool type size din ng6 cetop 3 nfpa d03 d 1 e02 pressure range spool position input signal spool body design 3 options v 0 proportional seal control f design series note. Pressurereducing valve all industrial manufacturers videos. Pressure reducing valve, direct operated pneumax co. Dr pressure reducing valve, direct operated bosch rexroth. Ets has over 25 years of sales and service experience with the bosch rexroth group in the u. For free return flow from port a2 to a1 b2 to b1 a check valve is installed. The valve type dr 6 dp is a direct operated pressure reduc. Pressure valves of type zdr 10 v are pilot operated pres sure reducing valves in sandwich plate design. Fezn versions are free from aluminum andor magnesium and galvanized.
Auxiliary valves pressure reducing valves bosch rexroth. Pressure reducing and relieving, direct acting spool type, with free flow. Our knowledge and expertise is invaluable in assisting your company with old and new series bosch rexroth servo and proportional valve repairs, as well as any of the standard directional, flow and pressure control valve repair and replacement needs. Installation in vertical pipe runs is possible but can result in increased wear and loss of. Pressure reducing valve, direct operated, type zdr 6 d. Models zdr are 3way direct operated pressure reducing relieving valves. Pilot oil drain from spring chamber 14 to tank always takes place externally via control line 15. Seriess 6x size 10 max operating pressure 315 bar max flow 120 lmin for subplate mounting.
The valve design is capable of maintaining a precise pressure setting even at high flow. Dr pressure reducing valve, pilot operated bosch rexroth usa. Single valve for pipe connection individual valve for manifold mounting. Zdr pressure reducing valves, sandwich module, direct.
A check valve allows quick emptying of regulated circuit when inlet pressure drops low. It converts an electrical input signal into a proportional pressure output signal. All sun pilot operated reducing and reducingrelieving cartridges incorporate a 150 micron stainless steel screen to protect the orifice from contamination. Find your pressurereducing valve easily amongst the 178 products from the leading brands hawe, bosch rexroth, spirax sarco.
In this lesson well reacquaint ourselves with the larger pressure control valve family and examine the pressure reducing valve in detail. Get the best deals on rexroth directional control valves when you shop the largest online selection at. For the free flow back from channel a to channel p, you can. The valve type zdr is a direct operated pressure reducing. A constant backpressure can be offset by a lower spring setting, avoiding a problem. View pdf catalogues and other online documentation. They serve for reduction and control of the system pressure.
The pressure reducing valves basically comprise of a main valve 1 with main spool insert 3 and pilot control valve 2 with pressure adjustment element. Valves of type zdr 10 d are direct operated pressure reducing valves. Rexroth pilotoperated pressure reducing valves feature flat discharge pressure curves, high stability and low hysteresis. Rexroth 0811402019 proportional pressure relief valve 24vdc new. Theres a lot going on, so you should rewind or replay the video until it all makes sense. Proportional pressure reducing valve in 3way version.
Drem and dreme proportional pressure reducing valves. Pressure reducing valve, pilot operated techspan new zealand. The desired reduced pressure is achieved, when a balance between the pressure in port a and the pressure set at spring 11 is reached. The valve type dr 6 dp is a direct operated pressure reducing valve in 3way design, i. Pressure reducing valve, pilot operated, type zdrk 10 v nominal size 10 series 1x maximum operating pressure 210 bar maximum flow 80 lmin features sandwich plate valve porting pattern to din 24 340 form a, iso 4401 and cetoprp 121 h 3 pressure stages pressure reduction in ports a2, b2 or p1 check valve with versions. Pressure reducing, pilot operated spool type re 1830974 edition. Pressure reducing valve, pilot operated duncan rogers. A pressure gauge connection 1 allows for the control of the secondary pressure. Proportional pressure reducing valve in 3way version type 3drep 6 xe. Pressure valves type dr are pilot operated pressure reducing. A pressure reducing valve comprises a valve housing having an axial bore coupled to a fluid operated load device, and first and second transversely extending control bores coupled to a supply tank and a fluid pressure source, respectively.
The pressure reducing valve basically comprises housing. This increases the pressure drop through the valve and maintains consistent pressure at reg. Model rexroth dbds6, dbdh6k, dbds6k pressure relief cartridge valve are tested as per the standard of ped 9723ec, which the valve works as direct action type relief valve, it is used to limit the main system pressure with characteristics of fast response by direct adjustment. This valve reduces operating pressure by means of proportional solenoids. A reducing valve with a bypass check may try to stay closed but will not block flow, so the cylinder reverses easily. Auxiliary remote control p feature available only on certain rcg and rct models with pressure ranges a. Pressure reducing valves 9 control the position of the main.
The spring chamber is drained to prevent a buildup of back pressure against the spool. Free shipping on many items browse your favorite brands. The secondary pressure is set by the pressure adjustment element 4. In order to allow free reverse flow from port a2 to a1, or b2 to b1 an optional check valve. They basically consist of main valve 1 with main spool insert 3 and pilot control valve 2 with pressure adjustment element. Rexroth proportional valve suppliers reliable rexroth. Options for pressure ranges and operator adjustment options are within the scope of the modular reducing valve portfolio. Pressure reducing valve dr nominal size 10 10 pilot operated v reduced pressure in port a2 a. Size 6, porting pattern to din form a and iso, valve for reducing a system pressure. A quick overview of the behaviour of a pilot operated pressure reducing valve. With version a, a check valve can be used for free flow back. Dbeta proportional pressure relief valve, directly operated. Dr pressure reducing valve, direct operated bosch rexroth usa.
May, 2019 3drep rexroth pdf by bosch rexroth ag, industrial hydraulics, d lohr am main. The 3way pressure reducing valve type 3drep is directly operated. They reduce pressure in a branch circuit lower than that of the main circuit. Dr pressure reducing valve, pilot operated bosch rexroth. They maintain a reduced pressure in a branch circuit and permit relieving pressure spike occurrences in the reduced branch circuit. Pressure reducing valve, pilot operated type zdr kanflu.