Engineered Repairs Compliant to BIS IS 18159:2023 & ASME Std VIII Div 1 & PCC2
NESL pioneered Online Leak Sealing in India in 1981, 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
Flange joint leak
Valve bonnet
Valve body
Oriface joint
Exchanger leak
Blind flanges
Packing gland
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.
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.