While selecting a steam turbine as a driver for compressors or pumps for refinerypetrochemical industries. It was first published in 1968 based on agma formulas, but in 1977, the second edition was published with a very simplified approach. The standard also includes requirements for selfacting gas seal support systems. Api 614 systems can be utilized in the upstream, midstream, and downstream sectors of the oil industry. This standard is primarily intended for gear units that are in continuous service without installed spare equipment. Api was formed in 1919 as a standards setting organization and is the global leader in convening subject matter experts across segments to establish, maintain, and distribute consensus standards for the oil and gas industry. Api std 612 petroleum, petrochemical and natural gas. Api standard 618 reciprocating compressors for petroleum. This document is not an alternative to studying the full content of the standard with which compliance is required, and because it is a summary, does not contain all the conditional statements and explanations which are in the standard itself. It was designed so preliminary sizing of gearing could easily be done with just a slide rule. The rules given in this standard are minimum requirements. Part 4expandercompressors, specifies requirements for. D618a standard test method for cetane number of diesel fuel oil compression ratio ignition delay cetane number singlecylinder diesel engines accepted reference value diesel fuel oil.
During the following 12 years, the industry identified many enhancements to this standard. Api standard 653, tank inspection, repair, alteration, and. Api std 6 standard for special purpose gear units for petroleum, chemical and gas industry services. Readonly copies of those standards are available to the public on the api website. Api american petroleum institute reaffirmation bsrapi standard 62002 r201x, special purpose gear units for petroleum, chemical, and gas industry services reaffirmation and redesignation of ansiapi 62002 r201x this standard covers the minimum requirements for specialpurpose. Api history and organizational structure standards development process standards committee structure and organization format and style guide global standards update. Gear and quill shaft type couplings are permitted in the api 671 standard but are not common. Let us begin with a brief description of these standards. Status of the publication can be ascertained from the api standards department telephone 202 6828000. Recommended practice for machinery installation and. The requirements of an api 610614 lubrication system are well documented in the api specification document. To view a standard, you must register at the site free. This standard is not intended to apply to gear units in generalpurpose service, which are covered by api std 677. Special purpose gear units for petroleum, chemical, and gas industry services 1 general 1.
Api standard is solely responsible for complying with all the applicable requirements of that standard. Balance quality requirements of rigid rotors ird balancing. Apis engine oil licensing systems verfies that engine oil meets api standards for durability and engine protection. Api pump type definitions understanding api standards. It is intended to provide gear units that give reliable troublefree service when used in challenging operating and environmental conditions. A comparison of current agma, iso and api gear rating. Special purpose gear units for petroleum, chemical. We have gears built with center distance variation where the manufacturing pinion pitch diameter is different. Fan static pressure rise is limited to differential usually not exceeding in. Introduction the international standards organization, iso, published standard 19401 balance quality requirements of rigid rotors, which has been adopted by the american national standards institute, ansi, as s2.
Api 6 covers not only gear rating, but also related lubricating systems, controls, and instrumentation. Special purpose gear units for petroleum, chemical and gas. This standard directs the user to rate the gears according to ansiagma 6011. Specialpurpose gear units for petroleum, chemical and gas industry services,a fifth edition, american petroleum institute, washington, d. Some api standards are ibr incorporated by reference into the us code of federal regulations. In 1977, the american petroleum institute api released the second edition of the special purpose api 6 gear standard, which applied to highspeed gearing. Api is an american national standards institute ansi accredited standards development organization, and api standard 670 was developed for machinery protection systems. The purpose of this specification is to define a minimum common set of supplementary requirements for procurement of centrifugal pumps in accordance with ansiapi standard 610 11th edition september 2010 centrifugal pumps, which is an identical adoption of iso 709. The first question faced by the design engineer is which standard steam turbine as to be selected either api 611 or api 612. Only disc couplings and diaphragm couplings can be used in api 671 applications. Reciprocating compressors for petroleum, chemical, and gas. Api std 616 standard for gas turbines for the petroleum, chemical and gas industry services. In this post, we will see the difference between api 611 and api 612.
Rotating machinery protection and api standard 670. This was first published in 1989 and used a modified k factor rating method. Api standards and the standards development process discussion will cover. Torsional natural frequencies of the drivercompressor system. No torsional analysis is mandated by api standard 674. The generalpurpose gear standard, api 677, was first. The generalpurpose gear standard, api 677, was first released in 1989 using a. Any manufacturer marking equipment or materials in conformance with the marking requirements of an api standard is solely responsible for complying with all the applicable requirements of that standard. Api standard 53 api standard 53 blowout equipment systems for drilling wells was developed using the api ansi accredited standards development process based on openness, balance, consensus and due process the current edition was published november 2012 this standard is the product of two plus years. Standards and specifications are necessary in most aspects of the gas compression industry. All auxiliary equipment required for operating, starting, controlling, and protecting gas turbine units are either discussed directly in this standard or referred to in this standard through references to other publications. These machines do not have gears integral with their casing but can have external gears. Api standard 617, axial and centrifugal compressors and expandercompressors, 9th ed.
In the case of apparent conflicts between the requirements of this standard and api 650 or its predecessor api 12c, this standard shall govern for tanks that have been placed in service. Api std 6 covers the minimum requirements for specialpurpose, enclosed, precision single and doublehelical one and twostage speed increasers and reducers of parallelshaft design for petroleum, chemical and gas industry services. The api inquiry process is intended to help users understand the technical requirements in the standard without providing the intent, background, and technical basis. Api 6 covers not only gear rating, but also the related lubricating systems, controls, and instrumentation.
A catalog of api publications, programs and services is published annually and updated biannually by api, and available through global engineering documents. Api standard 653, tank inspection, repair, alteration, and reconstruction last updated august 2016. Api 671 coupling standard coupling answers where the. Oct 31, 2016 since its initial publication in 1968, most of the main gearboxes in refineries have had to conform to this specification. In this white paper, learn how you can configure freely without requiring any custom development, and quickly update configurations as your needs evolve. Api 610api 614 pumps and lubrication systems are used throughout the upstream midstream and downstream sectors of the oil and gas industry.
Api standards and the standards development process. Data sheets and typical schematics of both system components and complete systems are also provided. This standard includes related lubricating systems, controls, instrumentation, and other auxiliary equipment. Api std 6 special purpose gear units for petroleum, chemical, and gas industry services published by api on february 1, 2003 this standard covers the minimum requirements for specialpurpose, enclosed, precision single and doublehelical one and twostage speed increasers and reducers of parallelshaft design for. Astm d6 18a standard test method for cetane number of.
Special purpose gear units for petroleum, chemical, and gas. Illustrated in figure 1 is a 20,000 horsepower reference unit with an api 6 gearset on the left and an agma 6011 gearset on the right, both with a service factor of 1. Jip 33 s615 supplementary specification to ansiapi. Lube oil systems that meet the api 614 standard operate at an extremely high level of efficiency, which decreases the cost of operations and decreases the downtime of rotating equipment. Api standard 6, special purpose gear units for petroleum, chemical and gas industry services, fifth. Part 3integrally geared centrifugal compressors, specifies integrally geared centrifugal compressors in conjunction with api 617, part 1. Recommended practice for machinery installation and installation design march 2012 supplement to pip reie686 api rp686 process industry practices page 2 of 29 introduction purpose this practice supplements pip reie686 api rp686, recommended practice for machinery installation and installation design. Overview and update of api standards iadc south east asia chapter meeting kuala lumpur, malaysia march 21, 2017. New additions for 2016 are highlighted in yellow important note. Special purpose gear units for petroleum, chemical and. Apis monogram certification program is used not only in the u.
Centrifugal pumps for petroleum, petrochemical and natural gas industries ansiapi standard 610 tenth edition, october 2004 iso 709. The rating formulas were simplified from the agma standards and more conservative stresses were required. The rated pressure for the applicable pressure class is in accordance with api 6a. Before api 6 existed, gear unit drives for process industry applications were built to american gear manufacturers. Summary of api standard 618 and key changes in the 5th edition api standard 618 the standard is the recognized specification for owners and manufacturers of reciprocating compressors. Api standard 677 covers the minimum requirements for generalpurpose, enclosed single and multistage gear units incorporating parallel shaft helical and right angle spiral bevel gears for the petroleum, chemical, and gas industries. Find out how your company can benefit from plm built on salesforce. Api standard 618 reciprocating compressors for petroleum, chemical, and gas industry services 618 4th ed. Api standard 6, special purpose gear units for petroleum, chemical. Typical applications for which this standard is intended are cooling tower water pump systems, forced and induced draft fan systems, and other generalpurpose equipment trains. Centrifugal pumps for petroleum, petrochemical and natural gas industries 1 scope. However, application of these requirements to the gearbox on a complete unit test string test could also apply if specified by the purchaser and accepted by the vendors. Summary of purpose for the standard api 6 provides a conservative basis for building critical service process industry turbomachinery gear unit drives.
Recommended practice for machinery installation and installation design march 2012 supplement to pip reie686api rp686 process industry practices page 2 of 29 introduction purpose this practice supplements pip reie686api rp686, recommended practice. Api standards are available for purchase at the api publications store at. Api 674 reciprocating pump standard see all plunger pumps in stock api 674 is the api standard relating to reciprocating positive displacement pumps and includes design criteria for both direct acting reciprocating pumps and powerframe type pumps pumps driven by a motor via a crankshaft. Each edition, revision, or addenda to this api standard may be used beginning with the. Standards are typically developed by industry volunteers for organizations such as the american petroleum institute api, the american society of mechanical engineers asme, american national standards institute ansi, international standards organization iso, and several others. Centrifugal pumps for petroleum, petrochemical and natural. Data sheet by american petroleum institute, view all product details. Gears manufactured according to this standard shall be limited to the following pitchline velocities. Api standard 6fa, third edition fire test report performed for franklin valve lp houston, texas 10 inch class 150 duraseal valve project number. Deane explained that the api 670 is a vibration monitoring, rotating machinery shutdown protection specification and does not address seal systems such as api standard 682 for pumps the typical requirements for a system to be in accordance with this purchasing specification are. The 1997 second edition changed the rating method to that given in api 6. This standard covers the minimum requirements for centrifugal fans for use in petroleum, chemical, and gas industry services. Recommended practice for machinery installation and installation design chapter 1introduction 1 scope 1. Api standard 6 special purpose gear units for petroleum.
Gary checked with emersons deane horn for how this machinery protection standard has been applied. Specifically, gas turbine units that are capable of firing gas or liquid or both are covered by this standard. Api does not represent, warrant, or guarantee that such products do in fact conform to the applicable api. Api std 6 datasheets datasheets for api standard 6, special purpose gear units for petroleum, chemical and gas industry services. Generalpurpose gear units for petroleum, chemical and gas industry services. The standard includes the systems components, along with the required controls and instrumentation.
Special purpose gear units for petroleum, chemical, and gas industry services. If you specify this standard, you will probably pay substantially more for the gearbox than if another standard is used. Since its initial publication in 1968, most of the main gearboxes in refineries have had to conform to this specification. Maximum permissible noise level is given in job specification. A comparison of current agma, iso and api gear rating methods. Api std 6 r2007 api standard 6, special purpose gear units for petroleum, chemical and gas industry services, fifth edition. The api 6 vibration requirements are applicable to the gearbox on tests by the gearbox manufacturer. This standard is not to be interpreted as approving, recommending, or endorsing any specific design nor limiting the methods of inspection, repair, alteration, or reconstruction.
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