Pressure at inlet port 1 connected to outlet port 2. The sporlan pressure control should be installed only by a qualified professional. Parker hannifin corporation hydraulic valve division 520 ternes avenue elyria, ohio 44035 usa tel. May be useful as an explosion proof valve where remote pressure control is required. The items described in this document and other documents or descriptions. Parker directional control valves, open center, models. Generally, bleed valves are used when in the calibration of control devices. Bulletin hy142004b1us, 5c, 902, phd parker hannifin corporation hydraulic valve division 520 ternes avenue elyria, ohio, usa 44035 tel.
There are no userserviceable components inside the pressure control. The threshold pressure valve starts to open is generally 24002700 psi 168189 bar below maximum set pressure pressure where valve is fully open after ramping. Parker cartridge valves are available from the hydraulic cartridge systems division. As pressure ratios decrease, the volume of gas pumped increases, causing the compressor valves to bend or flex beyond their design limits, leading to metal fatigue and breakage. Catalog hy141600us hydraulic and motion control products.
Parker hannifin corporation hydraulic valve division elyria, ohio 44035 usa catalog hy143000us repcatk. This is only to be used if converting from a 42 cm series traditional valve. Due to the variety of operating conditions and applications for these. Parker bv series bleed valves are designed for use on pn functionally, the valve vents line pressure either to atmos barbed vent tube. Pressure relief and regulating valves with blocked center directional valves and variable displacement pumps, or open center directional. Vickers flow controls pressure compensated flow control valves. However, if you require only a simple, basic valve, in which all control pressure ports have the same configuration, you can specify your valve by determining an ordering code in accordance with the information given on page 5. Reverse flow through the check is blocked by the steel ball on the seat. Parkers pilot operated relief valves are ideal for limiting system pressure or in standard relief valve applications within mobile and industrial equipment such as agricultural, aerial, refuse, industrial power unit systems, mining equipment, and other heavy duty fluid power pressure control circuits. Solenoid, lever, air, cam operated directional control valves 4.
Pressure relief and regulating valves sun hydraulics. G14 parker hannifin corporation hydraulic valve division elyria, ohio, usa hg flow control valves technical information series n general description series n needle valves are ideal as speed controls on. This, together with consistently predictable control properties, gives a high level of operational safety for many years. Catalog hy153502us contents directional control valves. Industrial hydraulic valves fluid power and motion control.
Doing so may cause the compensator spool to bind, causing valve to fail. The vso valve can be controlled by either voltage or current. For full technical specifi cations, available options, etc please consult hcs catalog hy153502 which is available from your local parker hydraulics. Parker hy1500uk hydraulic valves industrial standard. Manual air valve handcam operated brass poppet series manual air valve bleed valve brass poppet series manual air valve 42 series. Electronic proportional control valve porter instrument. Series pcm pressure compensated flow control valve, 34 nptf port, steel, 25 galmin, knob adjustment, nitrile seals, wo reverse flow check. Pressure at inlet port 1 connected to outlet port 4. Apr 07, 2015 head pressure control for supermarkets tuesday, april 7, 2015 by climate control team head pressure control on supermarket refrigeration systems is used to maintain a minimum highside pressure to lowside pressure relationship. A broad selection of valve body, seat, and seal materials provide a wide range of pressures and temperatures at which the valve may be used.
For the small port size options, it is recommended that an air reservoir is located close to the valve inlet as to not starve the valve of air pressure basic valve size inlet port size exhaust port size cv inlet to. G14 parker hannifin corporation hydraulic valve division elyria, ohio, usa hg flow control valves. Parker hannifin corporatio hydraulic valve division elyria, ohio, usa cat dd, dd ii. Bulletin hy142004b1us 27 parker hannifin corporation hydraulic valve division elyria, ohio, usa the items described in this document and other documents or descriptions provided by parker hannifin corporation, its subsidiar ies and its authorized.
Care should be taken in installation to avoid undue strain on valve. Valvair manual spool valves parker truck hydraulics center. Planning a new motion control system comprised of hydraulic valves. Pbc and ppc air piloted reducing and reducingrelieving valves use compressed air over a diaphragm instead of an adjustable spring to provide remote control of the valve pressure setting. As such, a basic understanding of the hcs product nomenclature greatly facilitates proper valve selection. The lac4 is a three way modulating valve that responds to discharge pressure. Its operation is the same as for similar valves described in the industrial hydraulics manual although the springloaded hydrostat is functionally located downstream of the adjustable restrictor, as shown in the functional symbols section. Looking for parker flow control valve, 14 npt valve inlet port, 2000 psi, directions controlled. Design the valve is made up of sections, each of which contains two 3way pressure reducing valves one per signal port. When coupled with aflow sensor or pressure transducer and a proportional electronic controller, model epc is capable of providing steady and precise control of. The core products guide is organized by valve function, fl ow and pressure capabilities. Operation pressure on the inlet port 1 of the check valve creates a force on the steel ball pushing it off of its seat and permitting free flow to port 2. Parker solenoid fluid control division parker fluid control division fcd is a worldwide industry leader of solenoid valves that control motion, flow and pressure in a wide variety of applications in all markets. Hydraulic valves industrial standard parker hannifin.
Sporlan has adjustable and fixed setting direct acting head pressure control valves for systems from 1 to 35 tons. General purpose solenoid valves jamieson equipment co. Manatrol series tpc temperature and pressure compensated flow. Throttle and flow control valves, subplate and screwin mounting. Miniature proportional valves pressure setup shown above. Operation lac4 the valve designation lac stands for low ambient control. These valves show a greatly reduced internal pressure drop under all conditions of operation. Catalog hy142502us manapak sandwich valves technical. These valves are capable of handling flows up to 37 lpm 10 gpm and pressures as high as 210 bar 3000 psi. The coil is well suited for use in potentially explosive or hazardous gas environments such as oil and gas drilling, power generation. They are available in 2 or 3position and conform to. The right angle flow control is an ideal solution to cylinder speed control where space is at a premium. Valve will limit pressure rise rates to below 10,000 psi 700 bar per second.
Commercials valves va2035 and vg2035 are designed with large internal passages with uniform cross sections. The parker hlc family of coils is robustly designed to function in rugged environments and carry a wide range of global certifications. Click in the grid below to download 3d cad drawings currently available for griffco valve products. However, if you require only a simple, basic valve, in which all controlpressure ports have the same configuration, you can specify your valve by determining an ordering code in accordance with the information given on page 5. The valve delivers a high range of controllable flow while consuming 25% less power than comparable miniature. Republic pressure control valves republic system specialties. Very low pressure ratios in reciprocatingtype compressors can cause valve damage. A lowpressure control valve allows the refrigerant in the evaporator to be pumped down see figure 7. Used to prevent cylinder or motor cavitation by allowing work ports to refill from the tank core. Vso installation and use typical valve setup valve electrical control basic control. Direct lift valves 0 minimum pressure differential will open at zero differential pressure, however, full flow through the valve will be achieved at approximately 5 psi differential. Pressure controls logic elements directional controls manual valves solenoid valves proportional valves we at the hydraulic cartridge systems division hope you find this catalog useful and want to thank you for turning to parker hannifin for your integrated hydraulic needs.
Hydraulic proportional remote control valve parker hannifin. If maintained operating pressure falls somewhere between. When used in suction applications, a valve with a low pressure drop should. In the 3position valve, the effect of dual pressure is extremely important when the valve is in the center position, as the ce. Hydraulic cartridge systems dynamic fluid products inc. Series d3 hydraulic directional control valves are high. Parker flow, check, pressure control and sandwich valves exotic. F820s colorflow flow control valve sae hydradyne llc. Parker manually, pneumatically, and electrically actuated twoway b series ball valves provide quick 14 turn onoff control of fluids utilized in process and instrumentation applications. These valves self regulate to allow passage of the set flow regardless of fluctuations in both inlet and outlet pressures unlike a standard throttle flow control valve where the flow rate through the valve will vary in proportion to the pressure drop across the valve. Parker valve industrial electrohydraulic proportional pressure relief. As shown in figure 5, the outlet pressure is exerted on the underside of the bellows and on top of the seat disc. Parker valve industrial colorflow inline flow, pressure control. Features s cavity and mounting pattern according to iso 7368.
Parker hannifin corporatio hydraulic valve division elyria, ohio, usa cat dd, dd ii catalog hy142500us industrial hydraulic valves failure or improper selection or improper use of the products described herein or related items can cause death, personal injury and property damage. Pcl4 remote control valve makes it very reliable and greatly facilitates training and servicing. This type of cycle is ideal in systems with large charges, because it prevents the possibility of the compressor starting with a large amount of liquid in the evaporator. Pressure measurement and control flow measurement and control machine safety systems valves filtration equipment belt maintenance products find out more. Parker 032510250 3251 series brass right angle flow. Electronic proportional control valve is an electromagneticallyactuated,proportional control valve designed for use in closed loopflow or pressure control systems. In order to open the drawings, you will need cad software with any of the file extensions. Operation a twostep needle allows fine adjustment at low flow by using the first three turns of the adjusting knob. As trusted pressure control valve manufacturer we supply into the major industrial markets all over the world. Parker bestobell designs, manufactures and distributes cryogenic valves for the industrial and liquefied natural gas industry.
Parker manually, pneumatically, and electrically actuated twoway b series ball valves provide quick 14 turn onoff control of luids utilized in process and instrumentation applications. Our impressive range, which includes hydraulic pressure control valves in various designs as well as. Costly fittings, connections and piping expenses can be eliminated because the valve can rotate 360 degree, the piping alignment can be in any direction. Special attention should be paid to not bend or twist the casting when mounting. Parker solenoid valves parker solenoid fluid valve. Proportional pressure reducing valves series dwe and dwu catalog hy142550us dwedwu. This product contains a chemical known to the state of california to cause cancer and birth defects or other reproductive.
The bv series is alsc features available in stainless steel, carbon steel and allov n245. Catalog hy142502us directional control valves a 2502a6. Ph hcs tb0003 psi per turn for pressure controls parker hannifin. Hydraforce hydraulic pressure control thermal relief.
In a suction application, the solenoid valve provides complete isolation for temperature control and defrosting, or operates as a suction bypass on installations with two or more evaporators in a series fed by one expansion valve see figure 9. Hydraulics v parker hannifin corporation hydraulic valve division elyria, ohio 44035 usa republicmanatrol valves repcatcvr. Parker s pressure control valves are designed to provide adjustable pressure control and limiting functions. Vickers flow controls pressure compensated flow control. Ori the ori head pressure control valve is an inlet pressure regulating valve and responds to changes in condensing pressure only.
Colorflow flow control valve sae parker colorflow flow control valve sae ports. The valve designation stands for on rise of inlet pressure. Solenoid valves and their importance in refrigeration systems. Parker directional control valves, open center, models va20. Catalog hy142500us directional control valves technical. They can maintain selected flow to within 5% of setting over a. The colorflow line includes flow control valves rated from 0 to 568 lpm 0 to 150. All other system components valves and sensors should be supplied by sporlan to ensure compatibility and proper operation. Reduced pressure is supplied to the down bags by placing a pressure regulator pressure reducing valve in. Head pressure control for supermarkets parker sporlan.
The coil is well suited for use in potentially explosive or hazardous gas environments such as oil and gas drilling, power generation, turbine process control, and specialty actuators. Since 1947, it has built a strong reputation as a recognized leader in solenoid valve technology and design first as skinner. Hydraulic pressure setting is directly proportional to air pressure setting pilot ratio is 20. This document and other information from parkerhannifin corporation, its subsidiaries and authorized distributors provide product or system options. Full line pressure is supplied to the up or lift bags straight through the valve.
Parker s family of proportional pressure reducing valves give the operator reliable performance for applications that require pressure limitation. Remote remote control valve connected to the vent control port can be used to control the pressure. Soft start fitting for control valve, malefemale bspp thread adjustable check valve supply. Contents directional control valves parker hannifin corporation hydraulic cartridge systems check valves shuttle valves loadmotor controls flow controls pressure controls. Tank line pressure is thus added to the valve setting. If no switching pressure is specified, valve will be supplied as r04d35.