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EMT News SF6 Leak Management

Your complete solution for SF6 Leak Detection, Management and Repair

EMT is the technology partner delivering practical SF6 Leak Detection, Management and Repair Solutions to utilities maintenance personnel.

 

EMT products, services and personnel are trusted by the T&D industry to deliver a complete solution for SF6 Leak Management, which ensures business continuity. From SF6 Leak Surveillance and Preventative Maintenance Planning; to Corrosion Control, SF6 Top-Up Management, Repairs and Asset Replacement – EMT solutions solve all your SF6 Leak Management issues.

 

Don’t let SF6 leaks disrupt your utilities operations. Contact our preventative maintenance experts to see how we can help you keep your critical assets operational.

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SF6 Leak Management

GasSafe Gas Leak Detection System for personnel safety and asset protection

The EMT GasSafe Gas Leak Detection System offers a comprehensive and feature packed solution to monitoring real time gas leaks from electrical equipment or potential other unsafe gaseous emissions – ensuring personnel safety and asset protection. Ideal for traditional SF6 and new SF6 alternative gas installations. Provides an intelligent and comprehensive solution to your SF6 F-Gas leak detection requirements. Measurement of over 400 different gases and vapours from ppm to %Vol. Easily add or remove sensors and accessories as your system needs grow, with up to 128 detectors on a single control panel. 2 core cable used for power and comms reduces connections and is faster to install. Onsite service and calibration solutions are provided by EMT; or utilise our “CBP” programme hot swappable sensor option, reducing downtime and engineer deployment.

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SF6 Leak Management

Online Repair for SF6 Leaking Flange

SF6 Gas Leak Repair with EMT

Industry: Power T&D

Application: SF6 Leaking Flange

Customer: UK Electric Utility

Date: December 2021

 

Solution: REFLANGEKiT® SF6 leak sealing technique

 

Technology: The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of the resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits: The installation was non-invasive and did not require a power outage. Repair was completed online and under pressure. Disassembly was easy, the fix was efficient, and cost effective.

 

Deliverables: Shunts, bolt heads and flange seals are now protected. The completed repair was tested and successful – further repairs are scheduled. Another satisfied customer, and another testimonial for EMT Site Services.

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SF6 Leak Management

SF6 leak detection, management and repair – maintaining, managing and mitigating SF6 leaks

The Issue

SF6 is a global warming gas and the leakage of process gases and liquids from compartments is a global issue. Leakage of SF6 is more than an internal concern and is now a broader ethical obligation, as utility companies commit to carbon neutrality by 2050. As a requirement to report loss rates in line with permitted release rates, leakage of SF6 gas is highly detrimental to achieving this goal. Therefore utilities need an effective preventative maintenance plan for assets to remain operational and to ensure business continuity.

 

The Task

Reduce the rate of SF6 loss

Reduce costs associated with gas usage and topping up

Reduce costs associated with regulatory body fines

Reduce CO2 footprint

 

…detection, measurement and repair of SF6 leaks

 

The Solution

Protective Coatings
Corrosion Control
Leak Surveys
Leak Detection & Quantification
Preventative Maintenance Planning

Temporary Repairs
SF6 Top-up Management

Long Term Repairs
Preventative Repairs
Asset Replacement

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Project Portfolio SF6 Leak Management Site Services

Substation C SF6 Leaking Flange Repair

Problem

SF6 substation 3x leaking flanges

Repair

New cover plate repairs. Suitable for nuclear and power plant substation installations. Adaptable to various types of flanges. Temperatures ranging from -20°C to +65°C (-4°F to +149°F).

Technology

The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits

  • Online & under pressure installation
  • Non invasive system (no risk of resin intrusion into the flange)
  • Bolt and screw protection
  • Easy disassembly
  • Cost effective installation (costly consignation avoided)

Result

SF6 leak remediation was a success, and the flange remains in service. Further, more complex repairs are planned as part of a contract to complete a number of SF6 flange repairs across multiple sites.

Repairs Portfolio
  • Cover plates with small bore adapter and pipework
  • GIB/tank flange
  • GIB/GIB straight flanges
  • Complex multi flange GIB
EMT Site Services
  • High level site services working standards
  • Fully trained site services personnel
  • All works completed within the designated timeframe or less
  • 100% leak remediation record
  • The most challenging of SF6 leaking flange/asset styles fixed
Other Site Services
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EMT News Project Portfolio SF6 Leak Management Site Services

EMT SF6 Leak Survey + EMT Handheld Leak Detector = 100% Leak Detection

EMT leak detection success rate continues as the team completes another utilities project. Read on to learn more about our technology, our services, and the team delivering these to the electric utilities industry.

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Project Portfolio SF6 Leak Management Site Services

Substation A Project 2 SF6 Leaking Flange Repair

Problem

SF6 substation 6x leaking GIB/GIB flanges.

Repair

Composite encapsulated leak repair – GIB/GIB straight, medium resin fill. Suitable for nuclear and power plant substation installations. Adaptable to various types of flanges. Temperatures ranging from -20°C to +65°C (-4°F to +149°F).

Technology

The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits

  • Online & under pressure installation
  • Non invasive system (no risk of resin intrusion into the flange)
  • Bolt and screw protection
  • Easy disassembly
  • Cost effective installation (costly consignation avoided)

Result

SF6 leak remediation was a success. EMT Site Services have saved the client significant revenue and prevented SF6 leaks from entering the environment. SF6 savings for multiple clients across all projects completed to date currently stands at 1584 Kg/yr, that’s equivalent to 36,115 metric tons of Carbon Dioxide, or 4,393,148,505 smartphones charged (CO2e), or 4,063,824 gallons of car fuel (CO2e) – well done to our Site Services team, keep up the good work!

Repairs Portfolio
  • Cover /inspection plates
  • Cover plates with small bore adapter and pipework
  • GIB/tank flange
  • Complex multi flange GIB
EMT Site Services
  • High level site services working standards
  • Fully trained site services personnel
  • All works completed within the designated timeframe or less
  • 100% leak remediation record
  • The most challenging of SF6 leaking flange/asset styles fixed
Other Site Services
Categories
Project Portfolio SF6 Leak Management Site Services

Substation B SF6 Leaking Flange Repair

Problem

SF6 substation 3x leaking GIB/GIB flanges.

Repair

Composite encapsulated leak repair – large flange, GIB/GIB straight, large resin fill. Suitable for nuclear and power plant substation installations. Adaptable to various types of flanges. Temperatures ranging from -20°C to +65°C (-4°F to +149°F).

Technology

The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits

  • Online & under pressure installation
  • Non invasive system (no risk of resin intrusion into the flange)
  • Bolt and screw protection
  • Easy disassembly
  • Cost effective installation (costly consignation avoided)

Result

SF6 leak remediation was a success, and the flange is in service today. Another satisfied customer and another environmental win.

Repairs Portfolio
  • Cover /inspection plates
  • Cover plates with small bore adapter and pipework
  • GIB/tank flange
  • Complex multi flange GIB
EMT Site Services
  • High level site services working standards
  • Fully trained site services personnel
  • All works completed within the designated timeframe or less
  • 100% leak remediation record
  • The most challenging of SF6 leaking flange/asset styles fixed
Other Site Services
Categories
SF6 Leak Management

Leaking SF6 assets? Problem solved with the Smartfill CTU

Smartfill CTU is a unique SF6 “live top up” device designed for managing SF6 leaks to ensure critical assets remain operational. Availability of skilled engineers, travel, training and increased gas usage results in higher secondary costs for utilities. The goal is to ensure assets never fail and to keep the network operational, whilst keeping logistics and costs to a minimum. The EMT Smartfill CTU achieves this goal via intelligently managed automated top-ups.

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Project Portfolio SF6 Leak Management Site Services

Substation A Project 1 SF6 Leaking Flange Repair

Problem

SF6 substation 1x leaking GIB/tank flange.

Repair

Composite encapsulated leak repair – large flange, reducing shell, large resin fill. Suitable for nuclear and power plant substation installations. Adaptable to various types of flanges. Temperatures ranging from -20°C to +65°C (-4°F to +149°F).

Technology

The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits

  • Online & under pressure installation
  • Non invasive system (no risk of resin intrusion into the flange)
  • Bolt and screw protection
  • Easy disassembly
  • Cost effective installation (costly consignation avoided)

Result

SF6 leak remediation was a success, and the flange is in service today. The client has commissioned the EMT Site Services team for further scheduled repair works.

Repairs Portfolio
  • Cover/inspection plates
  • Cover plates with small bore adapter and pipework
  • GIB–GIB straight flanges
  • Complex multi-flange GIB
EMT Site Services
  • High level site services working standards
  • Fully trained site services personnel
  • All works completed within the designated timeframe or less
  • 100% leak remediation record
  • The most challenging of SF6 leaking flange/asset styles fixed
Other Site Services