Online leak sealing · since 1982

We seal the leak.
Your plant keeps running.

Live leak correction on process equipment at full pressure, temperature and production. No shutdowns. No lost output.

+40Years of experience
+300Fluids sealed
11 300psi max · 780 bar
1200°CUp to · −196°C cryo.
Refinery where HERBERT performs live leak sealing
At full pressure · in production
Proven operating range

From cryogenic vacuum to superheated steam.

HERBERT technology is proven across the full range of process-plant services, from inert to highly hazardous fluids.

Temperature−196 → 1200 °C
Cryogenic −196°C1200°C

Saturated and superheated steam, hydrocarbons, acids and alkalis, gases and liquid chemicals.

PressureVacuum → 780 bar
Vacuum780 bar · 11 300 psi

Sealed while the system runs at full pressure, temperature and production.

More than 300 products successfully sealed: steam, air, boiler feed water, oils, hydrocarbons, natural gas, solvents, ketones, aldehydes and heat-transfer fluids.

Services

A complete approach, from concept to completion.

Full fabrication and installation of clamps and enclosures, with design engineering and calculation packages for every device.

What we do

Practically any live leak, routine or emergency.

A do-it-right-from-the-start philosophy. Nearly every leak-sealing technique in use today was developed by HERBERT.

Flanges
Valve glands (packing)
Valve bonnets
Pressure-seal valves
Heat exchangers
Pipes, elbows and tees
Pores and cracks
Cracked welds
Valve bodies
Expansion joints
Pressure vessels
Ball and plug valves
Transformers (oil)
Wellheads
Turbine joints
Electrical switchgear (SF-6)
In the field

From concept to completion.

Sectors

Serving industries across many sectors.

Refineries and petrochemicalPower · fossil, nuclear, hydroChemical industryOffshoreNatural gas and LNGPulp and paperSteel plantsSugar millsFood processingPharmaceutical

See all sectors →

Have a leak right now?

24/7/365 emergency response. Technical support to assess the best repair method for your case.