The key combinations are listed below, for any technical assistance please do not hesitate to contact us. Cla val series 1290162901 modulating float control valve 15 cla val series 60163601 onoff electrical remote control valve 16 cla val series 2100161001 onoff altitude level control valve 17 cla val 1 ko anti cavitation hytrol valve 18 cla val series eco 9035 dual stage pressure reducing valve 19 cla val series 9804 dual stage. Cla val automatic control valves, gf jrg pressure reducing valves, charlatte surge tanks, venttech high performance air valves, rain bird filtration, hydrospin micro power generators, toshiba magmeters, fms automated control panels and associated instrumentation equipment. Pressure reducing valve hydraulic valves and parts. The cla val model 900169001 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure.
Claval 9001 pressure reducing valve setup instructions. Control valves include a manual hydraulic bypass combine. The claval model 900169001 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of. Pressurereducing valve definition of pressurereducing. The pilot control responds to the differential pressure produced across an orifice plate installed downstream of the valve. The cla val model 500165001 pressure relief valve is a hydraulically operated, pilotcontrolled, modulating valve designed to maintain constant upstream pressure within close limits. Harper control solutions claval factory authorized sales. The pressure reducing valve is able, by varying its pressure drops, to hold the downstream pressure of the fluid at a constant level against changes in the upstream pressure and flow rate. Claval s prvs are installed in water distribution systems throughout the world and are know for their superior. This unit is a pilot operated, sliding spool, screw in cartridge style, hydraulic pressure reducingrelieving valve, designated to act as a pressureregulating device for secondary circuit.
This valve is an accurate, pilotoperated regulator capable of holding downstream pressure to a predetermined limit. Claval pressure reducing valve macneil steel and valves msv. 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. The strainer x44a 3 is installed in the pilot supply line to protect the pilot system from foreign particles.
A reducing relieving valve has a fullflow line to tank with an integral relief valve. Claval 9001 pressure reducing valve troubleshooting. The claval model 9001 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of. The outlet pressure to the consumer is kept constant, even as the inlet pressure andor the load situation fluctuates. Claval models 39007 and 369007 electronic actuated pressure reducing valvea with manual hydraulic bypass combine precise control of field proven. The 50 series valve is designed to maintain constant upstream pressure within close limits. Model 9048 pressure reducing valve with low flow bypass.
Apr 10, 2015 electronic pressure reducing valves have the capability of reducing the pressure in a system based on a flow pressure profile that is loaded into an electronic controller, which in turn, monitors flow and pressure. It maintains a constant downstream pressure, regardless of fluctuating demand and sustains the upstream pressure to a predetermined minimum. Pressure reducing relieving valve with bypass check valve. The downstream pressure is regulated, this means the valve closes when the downstream pressure rises.
Some are classified according to their method of operation or design, e. The 90 series pressure reducingpressure regulating valve prv automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. Claval pressure reducing valves mather pump service. 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. Modulating action valve modulates when diaphragm pres sure is held at an intermediate point between inlet and discharge pressure. Cla val pressure reducing valves reduce a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. Claval pacifics prvs are installed in water distribution systems throughout the world and are know for their superior performance.
Dec 08, 2015 a relief valve will relieve the excess pressure from the pressure vessel or the fluid line, while a reducing valve will reduce the pressure in the hydraulic or pneumatic circuit. When downstream pressure exceeds the pressure setting of the control pilot, the main valve and pilot valve close driptight. Cla val claval automatic valves claval automatic control. Cla val pressure reducing valves prvs are an indispensable part of any commercial fire protection system. The pressure reducing valve is a direct acting proportional regulator, self operated. Claval pressure reducing valves prv cla val claval. The valve will relieve excess pressure to atmosphere preventing damage to the distribution network. The 90 series pressure reducing pressure regulating valve or prv automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. Due to a modular control design, a standard prv can be upgraded to include solenoid shutoff, backpressure control checking function and many more options. Pressure reducing valves claval pressure reducing valves prvs are an indispensable part of any commercial fire protection system. Claval models 39002 and 369002 electronic actuated pressure reducing control valves combine precise control of field proven claval hydraulic pilots and. Automatic control valve solutions cla val mafiadoc.
Specially designed claval pressure reducing and pressure relief valves are. Claval automatic control valves are known for their exceptional quality and superior performance. The 90 series pressure reducing pressure regulating valve prv automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. Dec 17, 2015 using newly developed electronic pilot controls, such as the cla val crd34 pressure reducing control, enables automatic adjustment of pressure based on demand rather than fixed set points, facilitated by the controller.
The claval model 900169001 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. Pressure reducing valve characterization for pipe system management article pdf available in procedia engineering 162. The cla val model 900169001 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet press. Claval model 9001ko pressure reducing valve with anti cavitation trim provides for optimum downstream pressure control while reducing noise and eliminating damage associated with cavitation. Cla val pacific flow controlrate of flow control valves prevent excessive flow by limiting flow to a preselected minimum rate, regardless of changing line pressure. Main fire header cla val 9021 pressure reducing valve cla val 9021 pressure reducing valve model 55l model 55l distribution to each floor 55l pressure.
Cla val prv regulating valves automatically reduce a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. The most common application for the vlr is in venting to atmosphere. In contrast to pressure relief valves, which affect the level of input pressure i. The low flow bypass capability is achieved by using the claval model crdl direct acting pressure reducing valve as an integral part of the main valve. See cavitation guide to determine if the valve is a candidate for the ko anticavitation trim. Pdf pressure reducing valve characterization for pipe. Watts water pressure reducing valve, standard valve type. Watch a claval team member demonstrate how to setup a 9001 pressure reducing valve.
The claval models 9301 and 69301 combination pressure reducing and solenoid shutoff valves automatically reduce higher inlet pressure to a steady lower downstream pressure. The best for you and your customers, because depending on quality products ensures peace of mind. When the outlet pressure tries to go higher due to high temperatures or outside sources, it relieves fluid to the tank. Because they are exposed to seawater, these valves are constructed of materials that can withstand the effects of the environment. Watts flanged full port pressure reducing control valve, 3. Electronic control valves remote control valves claval 39002. Your valve can be customised with additional functions. Including auxiliary pipework with copper tubing and brass fittings.
The valves pilot control system is very sensitive to slight downstream pressure fluctuations, and will automatically open or close to maintain the desired pressure setting. Looking for watts water pressure reducing valve, standard valve type, lead free brass, 1 pipe size 25cc98. Looking for watts flanged full port pressure reducing control valve, 3 pipe size 6akw5. The claval model 9048 pressure reducing valve with low flow bypass automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate.
Maximum outlet pressure is set by a reducing relieving valve. The control valve shall be cla val company model no. What is a pressurereducing valve and how is it used in. Here, the vlr is placed in a steam pipe branching from the pipe connecting the boiler and the turbine, providing a controllable conduit between the boiler and the atmosphere.
This optimized pressure capability improves system efficiency, prevents damage from overpressurization and helps save water. Mar 03, 2016 watch a cla val team member demonstrate how to setup a 9001 pressure reducing valve. What is the difference between a relief valve and a reducing. Claval pressure reducing valves harper control solutions. Select valve categories below for more information. Pressure control valves pressure management valves claval. Valves vary in construction and size depending upon their function.
Claval manufactures many models of claval pressure reducing valves the prvs are available in a wide range of sizes from 38. Many more manual machine cells including vertical turret lathes. Cla val 90g21 globe and 90a21 angle pressure reducing valves automatically reduce a higher inlet pressure to a steady lower outlet pressure regardless of changing flow rate andor varying inlet pressure. The claval model 9037 pressure reducing valve automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of. Cla val pressure reducing valves for aboard offshore oil platforms and fpsos are primarily used in potable water applications and to facilitate water recirculation in fire protection systems.
The 90 series prvs are designed to automatically reduce a higher inlet pressure to a steady lower outlet pressure, regardless of changing flow rate andor varying inlet pressure. Pressure reducing valve article about pressure reducing. This valve can be used for pressure relief, pressure sustaining, back pressure, or unloading functions in a bypass system. Use this valve to reduce high transmission line pressures to lower distribution system levels, while opening and closing on command.
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