ONLINE LEAK SEALING

Engineered Repairs Compliant to BIS IS 18159:2023 & ASME Std VIII Div 1 & PPC2

NESL pioneered Online Leak Sealing in India in 1980, and is today the largest leak service company in the country.

The Process

Online leak sealing today is the leak-sealing solution of choice as it saves energy, prevents an expensive and unwanted shutdown, and can address a wide variety of leaks. Through continuous R&D, NESL has developed its own range of proprietary leak sealants that can address a wide variety of steam, chemical, hydrocarbon, and gas leaks at temperatures ranging from -100°C to 850°C and pressures up to 250 bar. Our sealants have been tested in thousands of applications over several years and you can be confident of their performance. We design, test, and manufacture our leak sealing products in-house at our ISO 9001 and ISO 14001 compliant facility, thus assuring quality to the utmost.

Our service team of over 200 trained technicians is spread over 30 locations around the country to ensure quick response time and prompt attention. Click Here to check our site office locations .

Safe, Speedy, Cost-Effective and Reliable Solution for Leakage Problems.

CALL US

033 6628 5001

Talk to our team

Contact us at the NESL office nearest to you or submit a business inquiry online.

Expert solution for every vunerable point

Our specialized sealing solutions address every potential failure point in your system. When integrity matters most, trust our proven technology to secure your operation’s most vulnerable components without disruption.

Flange Joint Leaks  |  Valve bonnets  |  Valve bodies  | Oriface Joints  | Exchanger Leaks  | Blind Flanges  | Packing Glands

Our specialized sealing solutions address every potential failure point in your system. When integrity matters most, trust our proven technology to secure your operation’s most vulnerable components without disruption.

ols clamp leak 1
ols oriface leak 2
Online Leak Sealing
Online Leak Sealing

Our leak sealants are in high demand worldwide because of its exceptional performance in high-temperature and high-pressure applications.

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Our sealants have been tested in thousands of applications over several years and you can be confident of their performance.

We further have the ability to provide Custom Engineered Solutions based on clients problems.

Contact us today to learn more about our online leak sealing services and schedule a consultation with one of our experts.

REACH US QUICKLY

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    India's Leading Specialty Maintenance Service provider

    ADDRESS

    INFINIUM DIGISPACE
    4th Floor, CP-15, Sector V,
    Salt Lake City,
    Kolkata 700091

    PHONE

    +91 33 6628 5001

    EMAIL

    [email protected]

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