Emerson R222 Instruction Manual
Contents
1. mbar droop Integral Two Stage 30 psig 2 07 bar and 2 inches w c 5 mbar droop Integral Two psig Service Regulator 30 psig 2 07 bar inlet pressure and 2096 droop First Stage 30 psig 2 07 bar inlet pressure and 20 droop 2 Also available with vent opposite gauge taps 3 Integral First Stage Vent size 7 16 24 UN thread for 1 4 inch OD copper tube inverted flare fitting R122H R222 R232A and R232E Series LP Gas Regulators Figure 3 Tank Installation Installation All vents should be kept open to permit free flow of air in and out of the regulator Protect vent openings against the entrance of rain snow ice formation paint mud insects or any other foreign material that could plug the vent or vent line LP Gas may discharge to the atmosphere through the vent An obstructed vent which limits air or gas flow can cause abnormally high pressure that could result in personal injury or property damage The Types R232A R232E and R122H are not suitable for indoor installations Never use the Types R122H and R232E pounds to pounds regulators on low pressure inches of water column service because personal injury or property damage could occur General Installation Instructions Before installing the regulator Check for damage which might have occurred in shipment Check for and remove any dirt or foreign material which may have accumulated in the regulator body Replace old pigtails Blow2. years from date of manufacture or sooner should inspection reveal the need Visually inspect the regulator each time a gas delivery is made for Improper installation vent not pointed vertically down or under a cover no vent tube on underground systems Plugged or frozen vent Wrong regulator or no regulator in the system Internal or external corrosion Flooded Regulator water in spring case regulator submersed on underground tanks Regulator age Any other condition that could cause the uncontrolled escape of gas Failure to do the above could result in personal injury or property damage Vent Opening Make sure the regulator vent vent assembly or vent tube does not become plugged by mud insects ice snow paint etc The vent screen aids in keeping the vent from becoming plugged and the screen should be clean and properly installed Water inside Regulators from Floods Weather or Water Table on Underground Systems Replace any regulator that has been flooded or has been submersed below the water table of an underground tank has had water in the spring case or show evidence of external or internal corrosion Checking for internal corrosion on the Types R222 R232A and R232E second stage portion can be done by removing the closing cap and with the aid of a flashlight observing the condition of the relief valve spring main spring and internal spring barrel area A more detailed examination will require
3. 2H R232A and R232E Series 250 psig 17 2 bar R222 Series 10 psi 0 69 bar Maximum Emergency Inlet Pressure R122H R232A and R232E Series 250 psig 17 2 bar R222 Series 75 psi 5 2 bar when used with a Fisher Type R122H or R622H first stage regulator 40 psi 2 8 bar when used with any other first stage regulator Temperature Capabilities R122H R222 R232A and R232E Series 20 to 160 F 29 to 71 C Pressure Registration Internal Outlet Pressure Standard Setpoint R122H Series 10 psi 0 69 bar R222 Series Second Stage 11 inches w c 27 mbar R232A Series First Stage approximately 9 psig 0 62 bar at 100 psig 6 9 bar 50 SCFH 1 42 Nm h Second Stage 11 inches w c 27 mbar R232E Series 9 psig 0 62 bar at 100 psig 6 9 bar 50 SCFH 1 42 Nm h Second Stage 2 psig 0 14 bar Outlet Pressure Spring Ranges R122H Series 10 psig 0 69 bar 1 psig 0 07 bar non adjustable R222 Series Second Stage 9 5 to 13 inches w c 24 to 32 mbar R232A Series First Stage non adjustable Second Stage 10 2 to 13 inches w c 25 to 32 mbar R232E Series First Stage non adjustable Second Stage 1 to 2 2 psig 0 07 to 0 15 bar Approximate Weights R122H Series 1 2 lbs 544 grams R222 Series 1 4 lbs 635 grams R232A and R232E Series with POL 1 9 Ibs 865 grams R232A and R232E Series with NPT fitting 1 5 Ibs 671 grams 1 In the event the R222 Series malfunctions during a Maximum Emergenc
4. A and R232E Series LP Gas Regulators TO APPLIANCE VENT ASSEMBLY E L VENT LINE VENT OPENING MUST BE AT LEAST 3 FEET 0 9 meter HORIZONTALLY V i FROM ANY BUILDING OPENING l BELOW IT BASEMENT pe o 5 FROM FIRST STAGE REGULATOR Figure 4 Basement Installation END OF REGULATOR VENT TUBE LOCATED AT TOP INSIDE OF HOUSING DOME COVER GRADE GROUND DOWNWARD AND SLOPING AWAY FROM HOUSING DOME THIS PREVENTS WATER COLLECTING AND RUNNING INTO OR STANDING AROUND HOUSING DOME 2 INCHES 5 1 cm MINIMUM REGULATOR ADJUSTMENT CLOSURE CAP MUST BE TIGHT WATER MARK LEFT IN HOUSING DOME AT LEVEL ABOVE REGULATOR VENT OR END OF VENT TUBE REQUIRES REPLACEMENT OF REGULATOR THEN CORRECT INSTALLATION Figure 5 Underground Installation R122H R222 R232A and R232E Series LP Gas Regulators Regulators Subjected to Heavy Snow Conditions Some installations such as in areas with heavy snowfall may require a hood or enclosure to protect the regulator from snow load and vent freeze over Horizontally Installed Regulators Horizontally mounted regulators such as found in single cylinder installations and ASME tanks must be installed beneath a protective cover or under the ASME tank dome refer to Figure 3 If possible slope or turn the vent down sufficiently to allow any condensation to drain out of the spring case Be careful that the slot in the tank dome or protective cover for the r
5. Instruction Manual R122H R222 R232A and R232E series October 2012 R122H R222 R232A and R232E Series Instruction Manual Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and or fire causing property damage and personal injury or death Fisher equipment must be installed operated and maintained in accordance with federal state and local codes and Fisher instructions The installation in most states must also comply with NFPA No 54 and 58 standards Only personnel trained in the proper procedures codes standards and regulations of the LP Gas industry should install and service this equipment Type R122H Things to tell the gas customer 1 Show the customer the vent or vent assembly or vent tube Stress that this opening must remain unobstructed at all times Tell the customer to check the vent opening after a freezing rain sleet storm or Type R222 Type R232E snow to make sure ice has not formed in the vent Figure 1 R122H R222 R232A and R232E Series Regulators 2 Show the customer the shutoff valve on the g g container The customer should close this valve immediately if gas is smelled appliance pilot lights fail to stay on or appear higher than usual or any regulators which includes first stage second stage integral other abnormal situation occurs two stage and integral two psig service regulators used on LP Gas vapor s
6. egulator s outlet piping does not expose the vent to the elements The first stage vent on the Types R232A and R232E should be pointed down Indoor Installations The Types R122H R232A and R232E regulators are not recommended for indoor installations The Type R222 regulator may be installed indoors as follows By code regulators installed indoors have limited inlet pressure and they require a vent line to the outside of the building see Figure 4 Avent assembly such as Fisher Y602 Series should be used on the end of the vent line The same installation precautions previously discussed throughout this manual for the regulator vent apply to the end of the vent tube assembly Vent lines must not restrict the gas flow from the regulator s internal relief valve Vent lines should be at least 3 4 inch NPT pipe or 3 4 inch NPT size Gray PVC Schedule 40 Rigid Non metallic Electrical Conduit for above Ground Service per Underwriters Laboratories UL 651 To install the vent line remove the vent screen and apply a good grade of pipe dope to the male threads of the line Vent lines should be as straight as possible with a minimum number of bends Underground Installations Types R232A and R232E integral regulators require 2 vent tubes one on the first stage vent and one on the second stage vent when installed on underground tanks Failure to use 2 separate vent tubes can result in early regulator failure and or over pressuri
7. er of the regulator when corresponding with the factory The type number orifice size and spring range are on a label attached to the spring barrel The date of manufacture is stamped on the regulator Always provide this information in any correspondence with your Fisher Distributor regarding replacement parts or technical assistance If construction changes are made in the field be sure that the regulator marking is also changed to reflect the most recent construction The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser gt w S EMERSON Eme
8. ervice applications They are not to be 3 Tell the customer to call your company to service the used on liquid service regulator if the regulator vents gas or a leak develops in the system Only a qualified gas service person should install or service the regulator Description Introduction Second Stage Low Pressure Regulator The Type R222 second stage regulator provides low Scope of the Manual pressure inches of water column delivery pressure It is set at 11 inches w c 27 mbar pressure and comes This Instruction Manual covers installation and maintenance with a high capacity internal relief valve The regulator is for the R122H R222 R232A and R232E Series painted PALM GREEN E EMERSON D450141T012 R122H R222 R232A and R232E Series LP Gas Regulators Specifications Specifications and Tables 1 and 2 list the specifications for these regulators Contact the factory if the regulator is to be used on any service other than LP Gas natural gas or air The following information is located on the spring case type number orifice size spring range and date of manufacture Pressure Taps Size Restriction 1 8 NPT 54 0 055 inch Drill on outlet and inlet Orifice Sizes R122H Series 0 15 inch 3 8 mm R222 Series 0 14 inch 3 6 mm R232A and R232E Series 0 193 inch 4 9 mm Wide Open C for Relief Sizing R122H Series 23 R222 Series 18 R232A and R232E Series 19 Maximum Allowable Inlet Pressure R12
9. for a high pressure burner The regulator is painted RED R122H R222 R232A and R232E Series LP Gas Regulators 3 FEET VENT POINTED DOWN 0 9 meter Figure 2 Regulator with Vent Pointed Down Table 1 Relief Valve Specifications MAXIMUM OUTLET PRESSURE WITH DISC REMOVED TYPICAL SETPOINT NOMINAL RELIEF VALVE TYPE START TO DISCHARGE Inlet Pressure Maximum Outlet Pressure 1 For integral two stage regulators the second stage disc is removed Table 2 Capacity Connection Sizes and Vent Orientation eecuaron nme SAGT wer comer a S NCHFNPY SCREENED APPLICATION NUMBER PROPANE CONNECTION CONNECTION SETTING LOCATION First Stage R122H AAJ 1 100 000 1 4 inch FNPT 1 2 inch FNPT 10 psig 0 69 bar Over Outlet R222 BAF Over Inlet Second Stage 650 000 1 2 inch FNPT 1 2 inch FNPT R222 BAFXA BAFXA Over Outlet R232A BBF 1 4 inch FNPT 1 4 inch FNPT FNPT j 3 E a aooo 000 1 2 inch FNPT 11 inches w c First stage Down Integral R232A HBF FPOL 27 mbar Second Stage Over Outlet Two Stage R232A BBFXA TERRA somo eer 1 4 inch FNPT First Stage Opposite Gauge Taps 550 000 i 1 2 inch FNPT Second Stage R232A HBFXA Fa Opposite Gauge Taps R232E BBH 1 4 inch FNPT 3 ntegra TWO psig 500 000 1 2 inch FNPT 2 psig 0 14 bar Mord ip Service R232E HBH R232E HBH FPO econd Stage Over Outlet 1 Capacities Based on Second Stage 10 psig 0 69 bar with 2 inches w c 5
10. ng the second stage that could result in fires or personal injury A regulator installed in the dome of an underground container requires a vent tube to prevent water from entering the regulator spring case see Figure 5 The Type R122H will require one vent line and if the Types R232A and R232E integral regulators is installed on an underground tank the use of 2 vent tubes are required one for the first stage vent 1 4 inch OD copper tube inverted flare connection 7 16 24 UN thread and the other for the second stage vent 3 8 NPT of the regulator are required Remove the vent screen s and install a vent tube s The vent tube must be run from the regulator vent s to above the maximum water table The vent tube opening s must terminate at the extreme top inside of the dome cover Make sure the regulator s closing cap is on tightly and maintain drainage away from the dome at all times Adjustment Each regulator is factory set If it becomes necessary to increase the outlet pressure remove the closing cap and turn the adjustment screw clockwise Turn the adjusting screw counterclockwise to decrease the outlet pressure The first stage portion of the Types R232A and R232E integral regulators is non adjustable The inlet and outlet pressure tap plugs on the R122H R222 R232A and R232E Series regulators may be removed using a 7 16 inch 11 mm hexagon wrench The pressure tap Is restricted so the plug can be removed with pre
11. ount of internal relief protection provided varies with the regulator type and the cause for the overpressure relief valve operation see Table 1 When the internal relief valve opens gas escapes to the atmosphere through the regulator s vent Some type of additional external overpressure protection must be provided if the outlet pressure in an overpressure condition exceeds the inlet pressure rating of the gas system or downstream equipment Common methods of external overpressure protection include relief valves monitoring regulators shutoff devices and series regulation Maintenance To avoid personal injury or equipment damage do not attempt any maintenance or disassembly without first isolating the regulator from system pressure and relieving all internal pressure Regulators that have been disassembled for repair must be tested for proper operation before being returned to service Only parts manufactured by Fisher should be used for repairing Fisher regulators Relight pilot lights according to normal startup procedures Due to normal wear or damage that may occur from external sources these regulators must be inspected and maintained periodically The frequency of inspection and replacement of the LP Gas Regulators regulators depends upon the severity of service conditions or the requirements of local state and federal regulations Even under ideal conditions these regulators should be replaced after 20
12. out any debris dirt or copper sulfate in the copper tubing and the pipeline Apply pipe compound to the male threads of the pipe before installing the regulator Make sure gas flow through the regulator is in the same direction as the arrow on the body Inlet and Outlet connections are clearly marked Installation Location The installed regulator should be adequately protected from vehicular traffic and damage from other external sources Install the regulator with the vent pointed vertically down see Figure 2 If the vent cannot be installed in a vertically down position the regulator must be installed under a separate protective cover Installing the regulator with the vent down allows condensation to drain minimizes the entry of water or other debris from entering the vent and minimizes vent blockage from freezing precipitation Do not install the regulator in a location where there can be excessive water accumulation or ice formation such as directly beneath a down spout gutter or roof line of building Even a protective hood may not provide adequate protection in these instances Install the regulator so that any gas discharge through the vent or vent assembly is over 3 feet 0 9 meters horizontally from any building opening below the level of discharge Install the regulator high enough above ground level at least 18 inches 46 cm so that rain splatter cannot freeze in the vent R122H R222 R232
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14. shutting down the gas system and the complete removal of the adjusting screw The Type R122H regulator must be completely disassembled by a qualified person to look for internal R122H R222 R232A and R232E Series LP Gas Regulators corrosion Closely examine regulators installed with their vent horizontal for signs of corrosion Correct any improper installations Regulator Replacement Older regulators are more likely to catastrophically fail because of worn or corroded parts Replace R222 R232A R232E and R122H Series regulators over 20 years of age Other service or environmental conditions may dictate replacement of the regulator before it becomes 20 years old Regulators that are installed on underground systems and in areas that are subject to sea salt coastal atmospheres should be inspected annually for external and internal corrosion and may require replacement sooner Refer to Fisher Bulletin LP 32 for additional information LP Gas Equipment Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 For further information visit www fisherregulators com Regulator Repair Regulators that have been disassembled for repair must be tested for proper operation before being returned to service Only parts manufactured by Fisher should be used to repair Fisher regulators Be sure to give the complete type numb
15. ssure in the regulator Install a pressure gauge to determine the regulator s inlet pressure and outlet setting during adjustment Actual pressure at the second stage regulator may be less due to line loss After setting add thread sealant to the pipe plug and reinstall it Replace the closing cap Check the plug for leakage Overpressure Protection Some type of overpressure protection is needed if actual inlet pressure can exceed the outlet pressure rating Overpressuring any portion of this equipment above the limits shown in the Specifications may cause damage to regulator parts leaks in the regulator or personal injury due to bursting of pressure containing parts or explosion of accumulated gas R122H R222 R232A and R232E Series If any portion of the regulator is exposed to an overpressure condition that exceeds the limits in the Specifications it must be inspected for damage that may have occurred Large volumes of gas may discharge through the regulator vent during internal relief valve operation which can if not controlled result in fire or explosion from accumulated gas The R222 R232A R232E and R122H Series regulators except for the first stage of the Types R232A and R232E contain internal relief valves The internal relief valve in all units will give overpressure protection against excessive build up resulting from seat leakage due to worn parts or chips or foreign material on the orifice The am
16. y Inlet Pressure condition these inlet pressures and the R222 Series relief performance will limit downstream pressure to 2 psi 0 14 bar or less 2 Product has passed Fisher testing for lockup relief start to discharge and reseal down to 40 F 40 C Integral Two stage Regulator The Type R232A integral two stage regulator contains a non adjustable first stage regulator on the inlet The second stage provides 11 inches w c 27 mbar outlet pressure The second stage portion has a high capacity internal relief valve construction The first stage does not have an internal relief valve The regulators are painted GRAY with a BLACK CAP Integral Two psig Service Regulator The Type R232E integral two psig service regulator contains a non adjustable first stage regulator on the inlet The second stage provides 2 psig 0 14 bar outlet pressure The second stage portion has a high capacity internal relief valve construction The first stage does not have an internal relief valve The regulators are painted GRAY with a WHITE CAP First Stage Regulators Type R122H regulators are designed for high pressure pounds per square inch vapor service These regulators have high capacity internal relief valves When used on first stage service the Type R122H regulator reduces container pressure to approximately 10 psig 0 69 bar inlet pressure to a second stage regulator On final stage service the regulator reduces container pressure
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