Industrial Maintenance | Coupling Inspection | Mobil™

Description. Our expert engineers inspect, report and document the condition of your critical couplings. Inspection details are used to help establish optimum relubrication intervals for couplings, as well as to help identify possible misalignment and any necessary changes to maintenance practices.Get price


401.1 Scope.. This chapter shall govern the design, installation, modification and maintenance of piping systems. The applicability of this code to piping systems extends from the point of delivery to the connections with the appliances and includes the design, materials, components, fabrication, assembly, installation, testing, inspection, operation and maintenance of such piping systems.Get price

Technical Article - Polymeric Insulators

insulating materials. Polymeric outdoor insulators for transmission lines were developed as early as 1964 in Germany, and by other manufacturers in England, France, Italy, and the U.S. In Germany, units for field-testing were provided in 1967. In the late 1960s and early 1970s, manufactures introduced the firstGet price

GER-3695E - GE Aeroderivative Gas Turbines: Design and

Gas turbine, made up of a GE-supplied gas generator and power turbine Gas generator, which may be matched to an OEM-supplied power turbine. These turbines are utilized in simple cycle, STIG™ (Steam Injected Gas Turbine) applica-tions for power enhancement, or integrated into cogeneration or combined-cycle arrange-ments.Get price

(PDF) Maintenance and Operation of An Electrical substation

Maintenance and Operation of An Electrical substation of 220/132/33 kv. Ravalika Vadduri. Related Papers. 220kv report. By chandra sekhar pala.Get price High Voltage Circuit Breakers: Trends

Each channel consists of a transmitter (sensor) with a resolu- tion of 14 bits, a maximum sampling rate of 100 MSample/s per channel, corresponding to 100 million measurements per sec- ond with a memory depth of maximum 1 GB total memory per channel.Get price

End of life estimation of HV switchgear and GIS substations

Jun 10, 2016 · Those combined insulating arrangements are more sensitive to particles and PD than purely gas-insulated arrangements. Substation 2: Residual lifetime is available and can be utilized. Some smaller maintenance activities should be carried out. Weak points are: Epoxy cast resin voltage transformers; Particles in few disconnector compartmentsGet price

49 CFR § 180.407 - Requirements for test and inspection of

(d) External visual inspection and testing. The following applies to the external visual inspection and testing of cargo tanks: (1) Where insulation precludes a complete external visual inspection as required by paragraphs (d)(2) through (d)(6) of this section, the cargo tank also must be given an internal visual inspection in accordance with paragraph (e) of this section.Get price

What is Insulation Testing? | ECM

Jan 01, 2004 · Insulation is subject to many elements that can cause it to perform at a less-than-acceptable level. Excessive heat or cold, moisture, vibration, dirt, oil, and corrosive vapors can all contribute to deterioration. For this reason, routine insulation testing is necessary. Total current in insulation testing.Get price

gaz sf6: The Little Gas That Could… Make Global Warming Worse

Mar 25, 2021 · SF 6 also is found in gas-insulated transmission lines, local distribution systems for safe delivery of electricity and transformers, and in the manufacturing photovoltaic panels.Get price

Fraunhofer IEE

Sulphur hexafluoride (sf 6) plays an important role as an insulating gas in electrical switchgear. The Fraunhofer IEE in Kassel and the Grenoble Ecole de Management (GEM) finalized a research study investigating the development of MV switchgear installations under different boundaries showing the impact on gaz sf6 emissions, and analyzing the market acceptance of gaz sf6-free alternatives, as well asGet price

Partial discharge - Wikipedia

Data collected during partial discharge testing is compared to measurement values of the same cable gathered during the acceptance-test or to factory quality control standards. This allows simple and quick classification of the dielectric condition (new, strongly aged, faulty) of the device under test and appropriate maintenance and repairGet price

Gas insulated switchgear | mv switchgear | GIS | Eaton

Power Xpert XGIS gas insulated medium-voltage switchgear. Eaton’s Power Xpert XGIS gas insulated switchgear is constructed with the majority of the medium-voltage parts fixed-mounted and contained in a laser-welded stainless steel Sulfr hexafluoride-filled tank suitable for withstanding harsh, corrosive environments. The Power Xpert XGIS mv switchgear delivers an option that is small in size and big in value, with high reliability and enhanced safety to support industrial, oil gas, data center, utilityGet price

Generator Scheduled Maintenance Procedures | Cummins Inc.

Scheduled Checks: Cooling system Radiator air restriction, hoses, connections, fluid concentration, belts and louver operation Air intake system Check for leaks, holes and loose connections Fuel system Fuel levels and pump Exhaust system Check for leaks, restrictions and flush condensation cap Electrical systemGet price

Grooved Couplings Fittings - Mechanical Pipe Joining

Victaulic is a global manufacturer of mechanical pipe joining methods (fittings couplings), flow control and fire protection systems and is the inventor of the grooved pipe coupling. We build innovative technologies and provide engineering services that address complex piping challenges faced by engineers, contractors, distributors, siteGet price

General Industry drives

Jun 04, 2017 · installation, electrical insulation, various spans, etc. Various executions of Jaure couplings meet the requirements of the American Petroleum Institute (API 610 and API 671) and can be also ATEX certified on demand. Petrochemical/Oil Gas JAURE® DISC PACK AND GEAR COUPLING DOAE Lamidisc® coupling with electrical insulationGet price

AC traction power supply | Rail Electrification | Siemens

The Sitras 8DA11 (1-pole) and Sitras 8DA12 (2-pole) gas-insulated switchgears are used for feeding the overhead contact line in AC traction power supply systems. The design is based on the proven 3-pole type of the 8DA10/8DB10 switchgear for distribution network operators and industrial plants.Get price

Saudi Aramco details nonmetallic products deployment in oil, gas

Jan 01, 2018 · Saudi Aramcodesign, installation, and testing yielded best practice proposals, which should be followed by the upstream oil and gas industry to ensure a longer service life.Get price

Highly Flexible Couplings | Voith

Highly flexible D Couplings are the standard for engine test rigs for testing 1 to 3-cylinder internal combustion engines. D couplings feature a high torsional flexibility and high torque capacity. Development test rigs, continuous-running test rigs, and end-of-line test rigs operate safely and reliably with this coupling at speeds of up toGet price

Accommodating Seismic Movement in Piping Systems | Victaulic

Victaulic couplings were tested at the ATLSS center, a member of the nationally recognized NEES (Network for Earthquake Engineering Simulations) testing group, to prove the durability of Victaulic grooved system components when exposed to seismic movements. Victaulic couplings ranging in size from 4"-16" (100mm - 400mm) were exposed toGet price

Couplings | NBK | Couplings, Screws, Clampers

As a specialist manufacturer, NBK offers an extensive line-up on stainless steel couplings. We provide all-stainless steel couplings suited to the usage, with disk-type, slit-type, bellows-type, rigid-type and more. Depending on coupling type, Materials vary such as SUS316L, SUS304, SUS303 and so on.Get price

Seamless Casing and Oil Country Tubular Goods 2019 Scope

“Seamless carbon or alloy steel oil and gas well casing, whether plain end, beveled, threaded or threaded and coupled, heat-treated or non-heat-treated, meeting American Petroleum Institute (API) specification 5CT, with an outside diameter not exceeding 11.75 inches (298.5 mm), in all grades, including proprietary grades, originating in or exported from China;” Footnote 5 andGet price

Electrical insulation paper - Wikipedia

Electrical insulation papers are paper types that are used as electrical insulation in many applications due to pure cellulose having outstanding electrical properties. . Cellulose is a good insulator and is also polar, [clarification needed] having a dielectric constant significantly greater thanGet price

GIS Substation Design and Execution HV and EHV GIS

GIS Substation Design and Execution HV and EHV GIS application and design considerations Jean-Louis Habert Alstom Grid GIS product Line 2014/04 - Houston - CED – GIS - 1 List of contents Session 1 – April 8th, 2014 z GIS introduction z Surrounding conditions z GIS vs. indoor AIS z Replacing an outdated AIS by a GIS z Reliability – availability - maintainability 2014/04 - Houston - CEDGet price

Gas Fittings Selection Guide: Types, Features, Applications

Fitting TypesMaterial TypesFeaturesSpecialty FittingsRelated StandardsGas fittings come in a variety for styles, depending on the application. Common styles for gas fittings include adapter, coupling, cross or 4-way, 45° or 90° elbow fittings, and quick couplers. When choosing gas fittings, connection selection is an important consideration that should be made based on the application. For more information on types of fittings and connections, visit the Pipe Fittings Learn More page.Get price

Energy and GDP growth | McKinsey

Apr 24, 2019 · Natural gas. We project a continued increase of global gas demand by approximately 20 percent, or 700 billion cubic meters, until 2035. That amount represents approximately the level of gas demand from Europe, Japan, and Korea today, combined. China will be the key contributor, making up almost half of all growth globally until 2035.Get price

Electrical Glove Inspection and Classification - Quick Tip

Dec 14, 2020 · Any other defect that damages the insulating properties. In addition to the inspection an air test must be performed. The air testing method is described in ASTM F496-20 Standard Specification for In-Service Care of Insulating Gloves and Sleeves. Gloves are filled with air, either manually or with a powered inflator, and then checked for leakage.Get price

Dresser Coupling | Products Suppliers | Engineering360

Insulation Couplings NBK MSXP, plastic coupling lineup ranges with outside diameters between 25 and 35 mm. However, NBK can also custom make plastic couplings, so please do not hesitate to reach out to us. The plastic couplings have very low outgas levels, are vacuum-supported, low particle, heat resistant, chemical resistant, with zeroGet price

Electric Motor and Transformer Maintenance Best Practices

Dec 01, 2015 · Please contact [email protected] or call 888-707-5814 (M – Th 9 am – 5:30 pm and F 9 am – 3 pm. ET) , to start a free trial, get pricing information, order a reprint, or post anGet price