Emerson 67C Installation Instructions
Contents
1. of accumulated gas never adjust the control spring to produce an outlet pressure higher than the upper limit of the outlet pressure range for that particular spring If the desired outlet pressure is not within the range of the control spring install a spring of the proper range 2 If outlet pressure adjustment is necessary monitor outlet pressure with a gauge during the adjustment procedure The regulator is adjusted by loosening the locknut key 19 if used and turning the adjusting screw or handwheel key 18 clockwise to increase or counterclockwise to decrease the outlet pressure setting Tighten the locknut to maintain the adjustment position Parts List Key Description 1 Body 3 Flange Screw 40 O Ring T Spring Case 102 Valve Cartridge 112 Valve Plug Valve Spring Valve Retainer O Ring Relief Valve Soft Seat 16 Diaphragm Assembly 17 Spring 18 Adjusting Screw 19 Locknut 20 Upper Spring Seat 39 Bottom Plate 1 Recommended Spare Part 2 Valve cartridge assembly includes keys 10 11 12 13 14 and 15 740645 LI APPLY LUBRICANT NOTE 1 ITEMS 25 AND 40 SHOULD HAVE TOP EDGE PLACED AT THIS LEVEL INLET xi U EST ek WWW az Tvpes 67C and 67CR NOTE1 15 TO 30 INCH POUNDS 1 7 TO 3 4 Nem U SS89 Al a YY 15 TO 30 INCH POUNDS 1 7 TO 3 4 Nem Figure 1 67C Series Assembly VALVE PLUG KEY 11 O RING _f KEY 142. Form 5751 Installation Sheet Types 67C and 67CR March 2009 Types 67C and 67CR Installation Sheet Introduction piping or piping connections To avoid such injury or damage provide This Installation Sheet covers the installation and pressure relieving or pressure limiting startup of the Types 67C and 67CR instrument supply devices as required by the appropriate regulators If maintenance is required refer to the code regulation or standard to 67C Series Instruction Manual form 5469 Contact prevent service conditions from your local Sales Office to receive a copy of the exceeding those limits instruction manual The internal relief valve in the Specifications Type 67CR regulator does not provide full overpressure protection The e Maximum Inlet Pressure internal relief valve is designed for 250 psig 17 2 bar minor seat leakage only If maximum inlet pressure to the Type 67CR exceeds the maximum pressure ratings of the downstream equipment or exceeds the e Maximum Emergency Outlet Pressure 50 psi 3 5 bar over outlet pressure setting e Outlet Pressure Ranges maximum allowable outlet pressure of 0 to 20 psig 0 to 1 4 bar the Type 67CR additional overpressure 0 to 35 psig 0 to 2 4 bar protection is required 0 to 60 psig 0 to 4 1 bar 0 to 125 psig 0 to 8 6 bar 1 Regulator operation within ratings does not preclude the possibility of physical damage from e Temperature Capabilities with Nitrile NBR ext
3. SOFT SEAT KEY 15 VALVE CARTRIDGE KEY 10 VALVE SPRING KEY 12 VALVE RETAINER KEY 13 B2695 Figure 2 aU Valve Cartridge Assembly Types 67C and 67CR Industrial Regulators 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 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 4190611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies 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 Asia Pacific Singapore Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 For further information visit www emersonprocess com regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 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 Inc a business of Emerson Process Management The contents of this publication are presen
4. ernal sources or debris in the lines Regulators Standard Bolting 20 to 180 F should be inspected for damage periodically and 29 to 82 C after an overpressure condition Stainless Steel Bolting 40 to 180 F 40 to 82 C 2 Only personnel qualified through training and experience should install operate and maintain i a regulator Make sure there is no damage to or Installation foreign material in the regulator and all tubing N WARNING piping is free of debris 3 Install the regulator so that flow is from the IN to Personal injury property damage the OUT connection as marked on the regulator body equipment damage or leakage due to escaping gas or bursting of N WARNING pressure containing parts mav result if this regulator is overpressured or A regulator mav vent some gas to is installed where service conditions the atmosphere In hazardous or could exceed the limits given in the flammable gas service vented gas mav specifications or where conditions accumulate and cause personal injurv exceed anv ratings of the adjacent death or propertv damage due to fire or g FISHER EMERSON D103073X012 Types 67C and 67CR explosion Vent a regulator in hazardous gas service to a remote safe location away from air intakes or any hazardous area The vent line or stack opening must be protected against condensation or clogging 4 Aclogged spring case vent hole may cause the regulator to function impr
5. operly To keep this vent hole from being plugged and to keep the spring case from collecting moisture corrosive chemicals or other foreign material orient the vent to the lowest possible point on the spring case or otherwise protect it Inspect the vent hole regularly to make sure it is not plugged Spring case vent hole orientation may be changed by rotating the spring case with respect to the body A 1 4 NPT spring case vent may be remotely vented by installing tubing or piping into the vent For regulator shutdown install upstream block and vent valves and downstream block and vent valves if required or provide some other suitable means of properly venting the regulator inlet and outlet pressures Apply a good grade of pipe compound to the male pipe threads before making connections making sure not to get the pipe compound inside the regulator Install tubing fitting or piping into the 1 4 NPT inlet connection on the body key 1 and into the 1 4 NPT body outlet connection The second 1 4 NPT outlet can be used for a gauge or other use If not used it must be plugged Startup and Adjustment 1 With proper installation completed and downstream equipment properly adjusted slowly open the upstream and downstream shutoff valve when used while using pressure gauges to monitor pressure To avoid personal injury property damage or equipment damage caused by bursting of pressure containing parts or explosion
6. ted 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 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 product remains solely with the purchaser EMERSON Process Management Emerson Process Management Regulator Technologies Inc 2002 2009 All Rights Reserved f rocess Ma nage mel it
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