KRR Engineering: Leading Pressure Vessel Manufacturers in India Deliver ASME-Certified Vessel for NRL’s Green Hydrogen Plant

As one of the leading pressure vessel manufacturers in India, KRR Engineering Pvt. Ltd. is proud to announce the successful design, fabrication, and delivery of a 145 m³ ASME-certified Pressure Vessel to Numaligarh Refinery Limited (NRL) for their upcoming Green Hydrogen Plant in Assam.

This milestone reinforces KRR’s commitment to supporting India’s clean-energy roadmap while strengthening our position as a trusted partner for high-performance, safety-critical process equipment.

A Major Contribution to India’s Green Hydrogen Mission

The Green Hydrogen Plant at NRL is a key component of India’s strategy to accelerate renewable energy adoption and reduce carbon footprint.KRR Engineering is honoured to contribute to this landmark initiative by supplying a fully custom-engineered, heavy-duty pressure vessel manufactured to global standards.

Key Technical Highlights

• Design Code: ASME Section VIII Division 1 (2021 Edition)

• Volume: 145 m³

• Hydrotest Pressure: 15 Bar

• Application: Green Hydrogen process operations

• Manufacturing: 100% in-house design, engineering, fabrication, testing & quality assurance at KRR Engineering Pvt. Ltd.

Each stage—from pressure-boundary design to non-destructive testing and final inspection—was executed by our experienced engineering and QA/QC teams, ensuring robust performance and long-term operational reliability.

Engineering Excellence Backed by ASME Certification

As one of the few ASME U, U2, S, and NB certified pressure vessel manufacturers in India, KRR Engineering consistently delivers equipment that meets strict global quality and safety requirements.Our expertise spans pressure vessels, heat exchangers, reactors, columns, autoclaves, air receivers, and custom heavy-fabricated equipment across Oil & Gas, Petrochemical, Chemical, Power, Aerospace, and Renewable Energy industries.

This delivery to NRL demonstrates our capability to support large-scale green-energy projects with world-class engineering and timely execution.

Driving India’s Sustainable Industrial Growth

KRR Engineering remains committed to supporting India’s clean energy transition and the nation’s expanding hydrogen economy. With advanced fabrication facilities, certified processes, and deep domain expertise, we continue to serve major public sector and private enterprises with high-performance pressure vessels and process equipment.

As India accelerates its shift toward renewable and green hydrogen technologies, KRR Engineering will continue to play a key role as a preferred partner and a trusted pressure vessel manufacturer in India.