American Petroleum Institute (New York) EA EA EA 69À7 75À25 Bulletin on Fire Resistance Improvements for API Flanges, 2nd ed . PED 97/23/EC (Pressure Equipment Directive). European Normalisations: EN/ ISO Guidelines on noise. Medical Research Report EA API posure to noise at work. 12 May 12 Guidelines on Noise, API Medical Research. Report EA 13 Man who killed after months of TV noise is.
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Expansion bellows to equipment. Refer to Figure 2. Once frompressure vessels are used,theyshouldbe themaximumplatform movement has been deter- piped directly to the disposal facilities, independ- mined, designshould be inaccordance withSection 2. A piston check valve API or an API 6D valve is a function of the designed for gas service should not be used operating temperature.
Consider installing a 3 inchnominalXXSline Block valves lift plug valves usually depend on gravity and bypass valves, used in conjunction with con- for operation, they may be subject to foul- trol valves,shouldbesizedinaccordancewith ing by paraffin or debris. Flanges manufactured in accordance with d. Dimensions and tolerances for butt weld, long- for critical services or those with severe cyclic radius elbows andteesare coveredbyANSI operating conditions or loadings.
The yelocity and relative indication A1.
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Pistoncheckvalvesarerecommendedfor pulsating flow, such as reciprocating com- a. API flanges are should be preceded by service-specific studies. API to assure the accuracy and reliability of the data containedherein. API 3701, which is mable.
All equations Suction Ez are patterned after the generalflow equation with Velocity Velocity various assumptions relativeto the Reynolds Num- feet per feet per ber. Thisdocument recommends minimum tingsIndustry standards. I t is orlargediametersbuttendtoprovide a difficult to accomplishaleak-tightsealwitha better seal.
Pressure reliefanddisposalsystems ing da of any of the pressure relieving de- are required to prevent over pressure of process vices IS not reduced. Consideration should ing used for gas service pai in an enclosure, also be given to the possibility of sulfide and. The applica- to the temperature limitations of the soft seal- tion circumstance will generally dictate a selec- ing material. ANSI B31,3 contains details and bleed ball valves should be in the one forqualifyingwelders,includingthevariables halfopenposition during testing.
Hydrogen sulfide alone is usually less cor- rosive than carbon dioxide due to the formation of an insoluble maycorrodeundersomeprocessconditions. In this case, a pressure 8 Title 49, PartTransportation of. Screens with the cone reamed.
Various 5 73301 for special inspection, tests, or quality organizations have developed numerous codes, guides control. Portions of this publication havebeen changed from the previous edi- tion. Check the mill certification for availabIe 4 inch ity. Asa generalguideline the followingvalves gate valveswithpoweroperatorscan be should be equipped with power operators: Ingeneral,valvesshouldcorre- spond to the size of the piping in which the valves g.
Slip-on flanges are a wall thickness to match the pipeto which they not generally recommended. Tests should vicesandcontrollers,whenthefloat be conducted to qualify welding procedures to be is not rated for the test pressure. Pneumatic systems are ment and ew the maximum number of discharge required to provide a dependable supply for pneu- nozzles which could be in use simultaneously See maticallyoperated components.
Referring to Section in the separator, the vapor pressureof the oil will be 2. For gas systems,ventsand locating vents.
As a general guideline,leveroperatedball and damaging stem packing. Where a tight seal is required, select the proper type for each application. Guidelines for proper insulation include: Detailed mechanical 77301 other damage. In the determination matic,firewater, potable water,sewageandrelated of required flow rates, considerationshouldbe wa. Connections on the bottom of the line or in vide a ,fluid cushion area and for possible future turns shouldbeavoided.
The lubrication feature does provide a remedial means for freeing stuck valves. Prior to being placed in oper- leads are completely insulated and in good ation, piping should be pressure tested for leaks. If used, synthetic ridestresscracking See Paragraphs 1. It is recommended experience in design, fabricationor inspection of indus- that platformpiping in hydrocarbonservice trial pressure piping should be required to qualify as regardless of servicetemperatureand pres- an authorized inspector.
Short radius buttweld elbows are covered nections are necessary, the use of full encircle- by ANSI B Clean-out connections should be provided. The actual 3 Outletconnectionsshouldbeexamined to number and function of headers depend upon the determine if theirboreshouldbetapered specific application. Additional except as modified herein.
Exterior piping may be carbon steel, cast instruments should bein accordance with iron, or non-metallic when roperlysupported Paragraph 6.
Polycom Engineering Advisories and Technical Notifications
Ai this range the Moody Single- hase gas lines should be sized so that the result- frictionfactor is independent of the Reynolds ing e n j pressure is high enough to satisfy the require- numberanddependent upon therelativerough- 1 ments of the next piece of equipment.
Piping Engineering Handbook October Recheck the source of theshut-inwellhead pressurerequirements. Gate valves have types of valves are given in the following paragraphs.
The design pressure of the inter- wave loading, internalpressure,marinetraffic,and connecting piping and drain valve on each process otherenvironmental conditions. Face-to-face with an orifice to control the rate of move- and end-to-enddimensionsforsteelvalves are ment of the piston. Ifa doubleblock and design, a diaphragm made of an elastomer is bleed capability is desired, a bodybleed connected to the valve stem.