Products Sealed Worldwide
A very wide variety – including:
- Steam (most common)
- Water
- Oil
- Natural Gas
- A wide variety of gaseous and liquid chemicals
- “Chem-check” manual contains more than 300 entries
- Acids and alkali’s
- Solvents, alcohols, ketones, aldehydes
- Lubricants
- Heat transfer fluids
Process Conditions
Pressure:
- Very High (> 300 bar, 4500 psi)
- Oil, Gas, Water injection systems (offshore oil and gas production)
- High (> 100 bar, 1500 psi)
- Steam (HP), power plants
- Boiler feed water, power plants
- Moderate
- Steam (MP), power plants, refining (service)
- Low
- Vacuum
Plant Components
Plant components repaired by leak sealing include:
- Flanges
- Valves Glands
- Bolted Valve Bonnets
- Pressure Seal Bonnets
- Straight Pipe
- Elbows
- Tees
- Valve Bodies
- Expansion Joints (bellows)
- Heat Exchangers
- Pressure Vessels
- Nozzles on Vessels
- Ball Valves
- Transformers
- Wellheads
- Turbines (half joints)
- Floating Tank Roofs
- Insulation Joints (electrical)
Design Capability
Furmanite Clamp Design Software is rigorous in its application of the ASME VIII Division 1 Code rules:
- Automatically determines NDT requirements
- Automatically determines Post Weld Heat Treatment requirements
- Automatically determines Notch Toughness (Charpy Impact Test) requirements
- Parent Metal, Weld Metal and HAZ
- Rules are programmed for Carbon, Low Alloy, Cr-Mo and Austenitic Stainless Steel
- Rules are programmed for temperatures from -196°C upwards
Safety Issues
Leak Sealing is a potentially hazardous activity.
- Leak Sealing involves working on live pressurized plant that may contain hot, flammable, explosive and/or toxic fluids
- Leak Sealing also involves working on pressurized plant that is known to be defective in some way
- The nature and the extent of the defects are not always be known
- A cautious and conservative approach is required when assessing the potential hazards and the methods to be employed to mitigate those hazards
- When considering a leak sealing applications, all the “what if…” questions need to be asked and answered
- Where reasonable doubt exists, the worst case must be assumed
Flange Fastener Integrity
Factors associated with flange injection and fasteners
- Injection of compound into the flange void places some additional loads on the flange studs
- Injection Procedures minimize the additional loads
- Vessel and piping codes use large safety factors for the determination of stud bolt size and numbers
- ASME VIII Division 1 and ASME B31.3 uses a design stress based on the lower of 1/4 of specified minimum yield stress and 1/5 of specified minimum tensile strength*
- Provided that the studs and nuts are in sound condition, a significant overload can be tolerated without risk of failure
- The condition of the flange studs is critical – especially for re-injection
* These criteria apply to the most common high tensile heat treated bolting material grades such as B7, L7 etc.
On-Line Leak Repair & Sealing
Industrial Leak Repair – Taking the Pressure off You
Pioneering leak-sealing technology and unrivaled on-site service. It’s this unique combination that gives Furmanite the edge and enables you to partner with ‘The Standard’ in leak sealing.
Since 1929, we’ve created groundbreaking and patented industrial leak sealing technology; and we consistently provide these solutions with the highest level of service to customers around the world. We have millions of leak sealing man-hours under our belts and extensive engineering field support facilities with written procedures that conform to all international quality standards. Because of that truly unique expertise, Furmanite has long been the world’s preferred engineering support partner for sealing every type of leak in every industry sector.
Keeping Assets Earning
The priority for every industrial plant is to stay on-line. At Furmanite we help maximize up-time by sealing leaks on-line, on-site and under pressure. This means you keep producing the ‘product’ while we solve your leak problems. You save time, energy and – most importantly – you save money. All this, while simultaneously reducing noise and emission levels, erosion damage, as well as improving plant safety.
On-site Specialists – Whatever the Process or Problem, We can Help
Whether it’s steam, hydrocarbons or gas – including over 300 types of chemical – at temperatures ranging from sub-zero to 1112°F (600°C), and at pressures up to 5,076 psi (350 bar g), Furmanite offers a leak-sealing solution. From low cost banding or peened wire for narrow gap flanges and bonnets to solutions based on ring clamps or engineered enclosures, we’ll offer up the most effective and cost-efficient solution. And if there isn’t an immediate solution, we’ll create one. In fact, almost every leak sealing technique used today was first developed by Furmanite.
Working for a Better Environment
At Furmanite, we take our commitment to protect the environment as seriously and our commitment to the customer:
- Our solutions maintain the integrity of your process systems.
- Keeping systems on-line reduce the amount of potentially harmful and polluting fugitive emissions released into the atmosphere.
- Our goal is to extend the life of your plant components. ‘Repair rather than replace’ enables you to avoid the unnecessary re-manufacturing and replacement of equipment
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