Description Leak Sealing is an online leak repair service performed on operating pipelines, without shutting down the operation, so that the system can continue to operate avoiding expensive shutdown or losses. Alstern Technologies Singapore can help you prevent expensive shutdowns by providing safe, controlled onsite and online leak repairs for any leaking process.
Leaks are often associated with the following problems :
Leaks are expensive
High pressure & temperature leaks are associated with machines that cannot shut down
High pressure and temperature leaks are dangerous to the safety of workers
High pressure and temperature leaks are threatening to properties and environment
Leak repairs are expensive and most methods require system to be shut down
Leak repairs are temporary and sometimes ineffective
Current methods of leak repair are not able to withstand high temperature & pressure
OUR CAPABILITIES
[A] WATER PIPE LEAK DETECTION
Elbow leaks
Screwed, welded socket weld or seamless weld
45° or 90° elbow leaks
Long or short-radius elbow leaks
[B] FLANGE LEAK REPAIR
Leaking, cracked or broken flanges
Hub-weld leaks, lap joint leaks
Out-of-round, mismatched, tapered gap leaks
Case joint leaks (on rotating equipment)
Valve bonnet leaks (oval, round or square)
Leaks from rough, pitted outside diameter
Leaking flanges of different diameter (with common center)
Line, valve-end, flat face flange leaks
[C] VALVE LEAK REPAIR
Leaks from cracked valve body
Leaking valve seats
Leaks from open ball valves
Valve stem, packing leaks
Valve-killing services available
[D] HEAT EXCHANGER LEAK REPAIR
Shell and tube exchanger leaks
Roll leaks
Flange leaks for any temperature or pressure
Leaks from flanges with large outside diameter
Leaks from flanges with wide gaps
Tube side leaks
[E] EXPANSION JOINT LEAK REPAIR
All bellow-type joint leaks
Effective for any temperature or pressure
Applicable on any joint with longitudinal movement
Any dock or loading arm leak
Ball joint leaks
Telescoping leaks
[F] PRESSURE VESSEL LEAK REPAIR
Column leaks
Tank leaks
Overturned tank car leaks
Heat exchanger shell leaks
Large diameter pipe leaks
[G] FURNACE LEAK REPAIR
Boiler roof, sidewall leaks
Foster-Wheeler reformer leaks
Other manufactured reformer leaks
[H] TOWER TRAY LEAK REPAIR
Chimney tray leaks
Valve tray leaks
Draw or trap tray leaks
[I] WELD & THREAD LEAK REPAIR
Threaded, socket weld leaks
Small stub-out, valve end, union or coupling leaks
Pump, agitator, compressor leaks
Leak Sealing Process
Leak found at flange joint Leak Sealing Jacket Installed
Inject sealant into the jacket by High Pressure gun
Leak Stopped Recent Photo Reference
Features
OUR ADVANTAGES
We provide leak sealing service with the following advantages :
