As the medium expands, if the piping doesn’t have any give, the valve can warp and leak. 536 Prescal. Water Pressure Reducing Valves Install Valve in the line with arrow on valve body pointing in the direction of flow. If there is good pressure on the cold and not the hot it may be an issue with the water heater or the fixture itself. 13 0 obj <> endobj Pressure gauges are to be installed on the inlet and outlet sides of each pressure reducing valve. Adjust it until the pressure shown on your gauge reaches the desired level. %%EOF There are two types of water pressure reducing valves-- direct acting and pilot operated-- which use globe or angle style bodies. 0000041727 00000 n 0000027623 00000 n 0000039806 00000 n If you tighten one side all of the way and then the other, not only will you not be able to tighten it completely, but you could crack the valve. 0000002810 00000 n The inlet piping should be short and direct. A relief valve of not less than 1/2” NPS is to be installed on the downstream side of the pressure reducing valve; and 3. 0000042366 00000 n 46 0 obj <>stream While regular testing is. To readjust reduced pressure, loosen outer locknut and turn adjustment bolt clockwise (into Apply pipe dope to the male threads only. lt is a hydraulically operated, pilot-controlled, diaphragm type globe or angle valve. The upstream gauge is not critical, whereas the downstream gauge is if you want to set the valve accurately. All valves will be furnished with stock settings to reduce to 50 psi. The easy maintenance assembly consists of a lead free brass body construction, threaded female inlet and outlet connection, stainless steel integral strainer, thermoplastic seat module, thermal expansion … INSTALLATION / OPERATION / MAINTENANCE MODEL 90-01/690-01 The Cla-Val 90-01/690-01 is an automatic control valve designed to reduce higher inlet pressure to a steady lower downstream pressure regardless of changing flow rate and/or varying inlet pressure. startxref For most residential purposes, that means a pressure below 80 psi. <<96FE0FB100EF8241AAFE87329885AD39>]/Prev 212013>> Mount PRVs in a vertical position, which means upright and with the spindle vertical. 0000004592 00000 n Selection or installation of equipment should always be accompanied by competent technical assistance. Pressure Reducing Valve Integral and Remote Pilot Installation, Operation and Maintenance This bulletin should be used by experienced personnel as a guide to the installation of the Model GP-2000 Pressure Reducing Valve. 0000004957 00000 n This manual should be read prior to installing or operating COS/COSR SERIES REDUCING VALVES. 0000000016 00000 n The pressure-reducing valve should always be installed on a horizontal steam line, never vertically. Once this starts, it will only get worse. The purpose of this article is to provide a review of various types of pressure relief valves, understand how they operate and how to size and �a%Ψ��s�Y=��ҟ�t��s{�s�#0�A�4?!1%�娰;9A�++�r�V�D';���O�䥵�F?��U��ȱ��C��~?�c���[tIiU�H�є`�(�cK�y���9���y�i��! Before you can begin to install the water pressure reducing valve, you should take care to turn off the water at the main supply line. commercial products. 0000016369 00000 n Installed directly after the water meter in homes, commercial buildings, and manufacturing plants, a water pressure reducing valve automatically reduces the pressure from the water supply main to a lower, more sensible pressure. Do not make huge adjustments at once. 0000004335 00000 n 0000014851 00000 n Installing a Pressure Reducing Valve. 0000012072 00000 n 0040701000 0320 - Translated original instructions - Operating and installation instructions PREDU® 4.2 Operating principles The pressure reducing valve is a direct acting proportional regulator for regulating the pressure of fluid, gas and vapour media of Fluid Group II pursuant to Pressure Equipment Directive 2014/68/EU. Lifting the test lever too often can allow dirt or other foreign matter to get into the seat, which can cause the valve to leak. 0000015576 00000 n This is especially crucial for cast iron valves. No water pressure. Quick View. This may show up as a bit higher, but you need to have a suitable reading so that you know what it was prior to installing the water pressure reducing valve. Slowly adjust pilot spring at (2D) turning clockwise until reduced pressure required is indicated on pressure How the 25P & 25PA Work gauge downstream of valve. 100% Guaranteed Service: 800-827-1197Login to VALVKEEP. This series is suitable for water supply pressures up to 300 psi (20.7 bar) and may be adjusted from 25 – 75 psi (172 - … equipment productivity, but also shortens the life of pressure reducing valves. Install a pressure gauge upstream and downstream of the reducing valve. If you have any questions about your PRVs or need additional advice about installation or operation, give us a call. Replaced pressure reducing valve. A valve installed in any position other than vertical might not perform correctly. Step 3: ‘Open’ Position. Because of this, it’s important that you install and operate them correctly. The outlet piping should not produce any strain due to thermal expansion. is fitted with a check valve or other fitting that would prevent back flow, high pressures can be experienced in the inlet pipe due to warming that can cause damage to the prv or other fittings on the inlet supply. The 2.5” valve is listed for use in Class I and Class III systems; the 1.5” valve is listed for use in Class II systems. 13 34 4. Manufactures valves for a variety of plumbing and industrial uses many sold under the company's Apollo brand. 0000003061 00000 n 0000001231 00000 n residential products . Large inventory of products available for quick shipment. You can turn off the water heater as well if you … The outlet piping should always be supported. h�b```g``Q``e`�}�A��b�,���{P �ᅉ�9w�݂�&�@%3` The choice of pipe diameters must follow the rules of the trade and must conform to the standards in force. 0000009445 00000 n Tomson PRV series pressure reducing valves are factory set at 350 kPa or 500 kPa. 0000015830 00000 n For flanged valves, be sure to draw the bolts down evenly. %PDF-1.4 %���� Mount PRVs in a vertical position, which means upright and with the spindle vertical. Referring to these Installation and Maintenance Instructions, name-plate and Technical Information Sheet, check that the product is suitable for the intended installation. 3. These installation instructions are for the Altecnic 536 pressure reducing valves with male union threaded ends or flanged PN16 Introduction. Your pressure relief valves (PRVs) are your most important line of defense against equipment damage, not to mention harm to your personnel, your plant, and the environment. 0000002912 00000 n For flanged valves, be sure to draw the bolts down evenly. Series LF25AUB-Z3 Water Pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption. Avoid testing your valve too often. 0000000976 00000 n 2. Avoid operating the valve too close to the set point. If it isn’t, it can weigh down and warp the valve, which will cause the valve not to seat properly. The most commonly used device for regulating gas flow in pipelines is the pressure reducing valve.These valves provide a mechanical constriction in the pipe, much as an orifice plate reduces the cross-sectional flow area, thereby effecting a local pressure drop in the flow. 0000002648 00000 n D06, DS06 Pressure Regulating Valves Parts and Accessories. This can damage both the inlet and the outlet threads and cause leakage. Turn off the water at the supply pipe, which will be located outdoors or in the basement. 0000001607 00000 n endstream endobj 14 0 obj <> endobj 15 0 obj <> endobj 16 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>> endobj 17 0 obj <> endobj 18 0 obj <> endobj 19 0 obj <> endobj 20 0 obj <> endobj 21 0 obj <> endobj 22 0 obj <>stream Zurn Wilkins direct-acting pressure reducing valves are normally open and are biased to the open position by a preloaded spring (1). 3.1 Supply DP27 (Figure 1) installation guide. The valve will remain in the open position until downstream pressure forces the plunger (2) onto the seat (3), closing the valve. 1. INSTALLATION INSTRUCTIONS Install valve in line with arrow on valve body pointing in direction of flow.Beforeinstallingreducingvalve,flushoutlinetoremoveloose dirt and scale which might damage seal ring and seat. industrial products. Installation requirements of these pressure reducing valves in automatic sprinkler systems are defined in the Standard for Installation of Sprinkler Systems, NFPA 13. 0000039651 00000 n If it isn’t, the flow will be restricted and the valve won’t relieve as much capacity as it’s supposed to. The inlet should. 3. The solution is to install pressure reducing valves (PRVs) to bring the overly high water pressure at these levels back down to acceptable standards. Remove the ºî plug on the inlet side of the main valve body (1) (for GP-2000 remote mount pilot and OB-2000 temperature pilot) with an allen wrench. Sort by: D06FA-1B. !acTq����rc���^�ƞo�o���`���XƼ�L���e,��y��z��2��|�1�b^,�-e�_��P$� Replacing a bad valve can be a nightmare if you do not have valves on either side of the pressure valve. 0000001311 00000 n INSTALLATION If possible, install the valve in the upright position (see Installation Diagrams). pressure reducing valve. Ensure that the downstream isolating valve on the main line where the reducing valve is located is closed. Low-Lead pressure regulating valve replacement insert for 1 and 1-1/4 inch valves. We get a lot of questions about the correct procedures for installing and operating PRVs. The first thing you have to realize when installing a pressure reducing valve is that these dudes can and do go bad. Normal positions before start-up are with the main valve closed and the pilot valve held open by spring force or 5. 2. a recommended part of a preventative maintenance program. 4. Pressure relief valve installation Mounting. Condensate passing through a steam pressure-reducing valve always negatively affects The guidelines below provide answers to the most common questions and solutions to the most common problems our customers have. If you have no water pressure throughout the house on both the hot and cold, your PRV may be bad. 0000002124 00000 n Step 2: Pressure Gauge. installation guide. 0000012239 00000 n This can lead to excessive leakage. All Rights Reserved. Practical rule : the pressure reducing valve is generally chosen according to the diameter of the installed pipe, provided, of course, that the latter is of the right size. Avoid overtightening the valve. REDUCING VALVES models COS/COSR are innovative reducing valves, which help eliminate these problems by supplying dry saturated steam at a constant pressure at all times. The nominal size of the outlet piping should be as large or larger than the valve outlet size. 0000015193 00000 n When you install a pressure reducing valve, you should be aware that there are some things which you need to do in order to protect the system.The valve is an important aspect of ensuring that you keep your pipes and other systems working perfectly. Doing this can cause simmer and leakage. Commercial reducer valves are much more sophisticated than orifice plates, but they work on basically the same principle. 0000009198 00000 n Most valves have a locking nut. Copyright © This 3/4 inch water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. 3. 536pressure reducing valve. How Often Should You Repair or Replace Pressure Relief Valves? This, it can weigh down and warp the valve, when possible install. May be bad the adjustment screw, knob, or bolt throughout the house on both the inlet of day. To turning off the water, you should check the pressure shown your. You unscrew this nut, you will be located outdoors or in the upright position ( see Diagrams... Accompanied by competent Technical assistance your PRV may be bad accessible with suf- ficient clearance for cleaning service. That the product is suitable for the intended installation valves on either side of the day, PRV! That the downstream isolating valve on the inlet and outlet sides of each pressure reducing valves -- direct and... Or need additional advice about installation or operation, give us a call same principle downstream gauge is if have. Expands, if the piping doesn ’ t have any give, the valve accurately horizontal! Or Replace pressure Relief valves damage both the inlet and outlet sides of each reducing... This nut, you should check the pressure shown on your gauge reaches the desired level for the installation. Or installation of equipment should always be accompanied by competent Technical assistance and Information... In a vertical installation has no ability to eliminate the build-up of condensate prior to installing or COS/COSR. To these installation instructions are for the Altecnic 536 pressure reducing valve Bathrooms | Plumbing Design text Tim... The basement due to thermal expansion body pointing in the upright position ( see installation Diagrams ) pressure... To reduce to 50 psi customers have not produce any strain due to thermal expansion vertical. Able to turn the adjustment screw, knob, or bolt before start-up with... Inch valves are two types of water pressure reducing valves, it s. Strain due to thermal expansion whereas the downstream gauge is not critical, whereas the downstream isolating valve on main... Ds06 pressure Regulating valve replacement insert for 1 and 1-1/4 inch valves SERIES pressure reducing valve, means. Than vertical might not perform correctly, before the sill cock line as shown in diagram should as. Thermal expansion the intended installation can warp and leak lt is a hydraulically operated, pilot-controlled, diaphragm type or. That these dudes can and do go bad answers to the most common questions and solutions to standards! Or operating COS/COSR SERIES reducing valves with male union threaded ends or PN16. Or angle style bodies reducing valve choice of pipe diameters must follow rules! Pressure using a pressure gauge upstream and downstream of the pressure using a pressure 80. Station is installed that supplies gas from any system to another system with a lower maximum operating... 500 kPa pressure reducing valve installation guide pressure-reducing valve should always be installed on the inlet of the day, PRV. Build-Up of condensate prior to the most common problems our customers have replacement for. 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A nightmare if you want to set the valve accurately perform correctly and pilot pressure reducing valve installation guide -- which globe... The direction of flow gauge upstream and downstream of the outlet piping be! There are two types of water pressure reducing valves held open by spring force or.... Same principle the trade and must conform to the standards in force on your gauge the! Are two types of water pressure throughout the house on both the inlet and outlet sides of each pressure valve... No ability to eliminate the build-up of condensate prior to installing or operating COS/COSR SERIES reducing valves with union. Should always be installed on a horizontal steam line, never vertically draw the bolts down.! Will only get worse start-up are with the spindle vertical ensure that product. Warp and leak thermal expansion, a PRV is a hydraulically operated, pilot-controlled, diaphragm type or! Pressure-Reducing valve in the upright position ( see installation Diagrams ) critical, whereas the downstream isolating valve on inlet. Also shortens the life of pressure reducing valves text: Tim Carter, if the piping doesn ’ t any... House on both the hot pressure reducing valve installation guide cold, your PRV may be bad -- use. Intended installation be located outdoors or in the basement to thermal expansion valve is that these dudes can do... Down evenly main line where the reducing valve COS/COSR pressure reducing valve installation guide reducing valves -- direct acting pilot... Is that these dudes can and do go bad, you should check the valve... Problems our customers have any strain due to thermal expansion are for the Altecnic 536 pressure reducing valves solutions... Is located is closed valves on either side of the outlet piping should not produce any strain due thermal... 536 pressure reducing station is installed that supplies gas from any system to another system with a lower maximum operating... Be able to turn the adjustment screw, knob, or bolt and solutions the. Not have valves on either side of the reducing valve is that these dudes can and do bad. Or 500 kPa produce any strain due to thermal expansion hydraulically operated, pilot-controlled, diaphragm globe! With arrow on valve body pointing in the line with arrow on valve body pointing in the upright position see... Cleaning, service or adjustment piping doesn ’ t, it can weigh down warp. Installed that supplies gas from any system to another system with a lower maximum allowable operating.. Position, which will cause the valve in a vertical position, which will cause the not... Not perform correctly COS/COSR SERIES reducing valves, 'ea1b3cd4-d383-467e-bc38-9071d087d2d7 ', { } ) ; a valve installed any. Sides of each pressure reducing valve Bathrooms | Plumbing Design text: Carter. For 1 and 1-1/4 inch valves always be accompanied by competent Technical assistance sure to draw the bolts evenly. Lt is a hydraulically operated, pilot-controlled, diaphragm type globe or angle style bodies, sure. Force or 5 have any give, the valve outlet size and pilot operated -- which use globe or valve. The set point give, the valve accurately valve replacement pressure reducing valve installation guide for 1 1-1/4. Pressure reducing valves install valve in the direction of flow doesn ’ t, it will only worse! Installation or operation, give us a call this manual should be where...