Designed for api611 based turbine applications, these governors include a special overspeed test device, allowing controlled and safe turbine overspeed trip testing. Predesigned steam turbines the comprehensive siemens product range up to 12 megawatts sst040 formerly known as afa 3. They accept frequent startsstops, are optimized with balance of plant equipment, and have a grid valve for extractioninjection control. Api std 611 r2014 generalpurpose steam turbines for petroleum, chemical, and gas industry services, fifth edition, includes errata 1 2008 and errata 2 2019 standard by american petroleum institute, 03012008 amendments available. Generalpurpose steam turbines for petroleum, chemical, and gas. Api standards are published to facilitate the broad availability of proven, sound engineer.
They are generally used where steam conditions will not exceed a pressure of 48 bar 700 psig and a temperature of 400c 750f or where speed will not exceed 6000 rpm. Difference between api 611 and api 612 mechanical engineering. In this post, we will see the difference between api 611 and api 612. Elliott myr turbines are available up to 14,000 hp 10,440 kw. The favorably priced turbine was designed as a generator drive for the 75300 kw power range and can be used in small combined heat and power chp. This standard is intended to cover the minimum requirements for generalpurpose steam turbines for. Dresserrand steam turbines a siemens business steam. Special notes api publications necessarily address problems of a general nature. Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the director.
The mono cba steam turbine model is a perfect api 611 solution for mechanical drive applications up to 2,000 kw output range. Steam turbine api 611 a free download as powerpoint presentation. These requirements include basic design, materials. Note for the purpose of this provision, api std 611 is equivalent to iso 10436. Standards, american petroleum institute, 1220 l street, n. Steam turbine assembly inspection dwgapi 611612 dwgapi 611612 report h sw. These governors are directly coupled to the steamturbines rotor or auxiliary shaft to sense and control turbine speed. Api std 611 erta 2 generalpurpose steam turbines for. Today, kessels steam turbines are driving various pumps, fans and compressors across oil refineries in the middle east, india and south east asia that meet the stringent design engineering practices laid out by continue reading api611. Petroleum, petrochemical and natural gas industriessteam. This standard includes only generalpurpose turbines. Witness testing of api 610 centrifugal pumps and api 611. Generalpurpose steam turbines for petroleum, chemical, and.
Applications requiring api 612 special purpose steam turbines are. Generalpurpose steam turbines for petroleum, chemical, and gas industry services manufacturing, distribution and marketing department api standard 611 fourth edition, june 1997 copyright 2000 american petroleum institute information handling services, 2000. Api standard 612 special purpose steam turbines for. Steam turbines steam turbines for process petroleum, chemical, and gas industry services typically follow api standards, while nonapi turbines are usually applied to the power and renewables industries. Generalpurpose steam turbines for petroleum, chemical, and gas industry services. The sst050 formerly known as af or bf series is a singlestage, back pressure steam turbine in which the flow passes axially through the blading. It is noted that api standards 611 and 612 are independent of each other, and each standard has its own specifications and minimum requirements. Api stdbl2 95 m 0732290 0548778 475 w special purpose steam turbines for petroleum, chemical, and gas industry services section 1general 1. Various parameters that are measured during testing and the related instrumentation are introduced. Siemens sst050 series steam turbines steam turbines by. Corporate head office india, delhi 1008 pragati tower, rajendra place, new delhi 18tel. The following referenced documents are indispensable.
Refer to api 612 for specialpurpose steam turbines. It is not applicable to generalpurpose steam turbines, which are covered in api 611. Generalpurpose steam turbines for petroleum, chemical. Generalpurpose steam turbines for petroleum, chemical, and gas industry services downstream segment api standard 611 fifth edition, march 2008. Generalpurpose steam turbines for petoleum, chemical, and gas industry services. Kessels has the distinction of being a premier supplier of steam turbines complying to and exceeding api 611 standards for generalpurpose steam turbines. Api611 steam turbines presentations on authorstream. Api611 singlevalve generalpurpose steam turbines driving a mechanical load. Api 611 and 612 are standards by the american petroleum institute, both of them are applied to steamturbines for petroleum. Weve delivered many worldfi rsts including the fi rst extractioncondensing steam turbine generator stg on an fpso and two. R2014 generalpurpose steam turbines for petroleum, chemical, and gas industry services standard from american petroleum institute.
He has more than 15 years of industrial experience. The tutorial outlines the basic concepts and offers some tips on witness testing of api 610 centrifugal pumps and api 611 steam turbines. Kessels single stage steam turbines are economical and reliable mechanical drives for pumps, fans, knives, compressors and generators. Covering applications up to 40 mw, our mp and mc series steam turbines feature multi valves, sliding andor fixed pressure control, and axial or radial updown exhaust. The same section also recommends a few additional tests that could be performed on general purpose steam turbines, if feasible and. Special purpose steam turbines fbr gas industry services. Steam turbine solutions 03 peter brotherhood are specialists in the design, manufacture, installation and servicing of steam turbine generators up to 40 mw. Api standard 611 general purpose steam turbines for. While selecting a steam turbine as a driver for compressors or pumps for refinerypetrochemical industries. Wide range of api 611 compliant steam turbines from 30 kw to 15 mw and api 612 compliant steam turbines from 1. Engineer of the turbine design section at mitsubishi heavy industries, ltd.
Tutorialthe tutorial outlines the basic concepts and offers some tips on witness testing of api 610 centrifugal pumps and api 611 steam turbines. Siemens sst050 series steam turbines by siemens power generation. When selecting a steam turbine as a driver for an oil and gas application, the user must select either api 611 or api 612 standard to be followed. Standard features designed to api 611 standard quickstart capability horizontally split casing builtup rotor construction center line support. Today, kessels steam turbines are driving various pumps, fans and compressors across oil refineries in the middle east, india and south east asia that meet the stringent design engineering practices laid out by continue reading api 611. Api611 compliant single stage steam turbine kessels has the distinction of being a premier supplier of steam turbines complying to and exceeding api611. Whatever the requirements are, we provide either bare steam turbine drivers to oems, or we supply complete packages including gears, lube oil systems and controls. The section on api 611 steam turbine testing covers the mechanical run test and cites the related paragraphs of api standard 611 2008. The section on api 610 pump testing discusses performance, npsh and mechanical run tests of api 610 centrifugal pumps that are often specified with witness testing. Api standard 611 general purpose steam turbines for petroleum, chemical, and gas industry services.
Api std 612 petroleum, petrochemical and natural gas industriessteam turbinesspecialpurpose applications, seventh edition. Kessels has the distinction of being a premier supplier of steam turbines complying to and exceeding api611 standards for generalpurpose steam turbines. Every day a turbine is operated without an upgraded governing system is. Introduction to steam turbine mahendra prabhu subrmani rotating equipment engineer 2. Witness testing of api 610 centrifugal pumps and api 611 steam.
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