Engineering
Capability is not just about what we do - it is about how we think, engineer, and deliver. With in-depth design expertise, advanced engineering tools, and strict adherence to global standards, we design and manufacture process equipment that delivers reliable performance, long service life, and exceptional quality across industries worldwide. Our engineering expertise enables us to design and deliver a wide range of critical and complex equipment for diverse industries, meeting stringent technical, operational, and project requirements.
Our engineering capability is built on sound design expertise, advanced engineering tools, and a strong commitment to internationally recognized codes and standards. We design and manufacture shell-and-tube heat exchangers and pressure vessels engineered for reliable performance, operational safety, long service life, and demanding process conditions across diverse industries. Our multidisciplinary engineering team handles the complete design and engineering cycle—from thermal design through mechanical design, material selection, fabrication engineering, welding, inspection, testing, and final documentation. For proprietary equipment such as LNG vaporizers, heaters, boilers, and other critical process equipment, the complete equipment design is also carried out in-house, based on specific client requirements, supported by our strong engineering capabilities. Every design is developed with careful consideration of process conditions, pressure and temperature requirements, material compatibility, corrosion allowance, mechanical integrity, fabrication requirements, and applicable client specifications.
Our engineering approach integrates thermal, mechanical, materials, welding, and inspection considerations to ensure that each heat exchanger and process equipment is designed for its intended operating environment. Through rigorous engineering practices, technical review, and quality control, we deliver equipment that combines design integrity, manufacturing precision, dependable operation, and long-term service performance. This standards-driven approach enables us to support critical applications across oil & gas, petrochemical, chemical, pharmaceutical, power, food processing, and other process industries, delivering engineered equipment that meets demanding technical and operational requirements in both domestic and international markets.
Thermal Design
At Precision, our engineering expertise begins with understanding each customer’s process and operating requirements. Our experienced engineers combine process knowledge, thermal and mechanical design expertise, and advanced engineering tools to develop optimized Any conventional TEMA-type shell-and-tube heat exchangers, High-pressure heat exchangers, Hairpin-type heat exchangers, and pressure vessels, we also expertise in manufacturing Helical baffle heat exchangers, Rod baffle heat exchangers.
Each solution is custom-engineered for thermal performance, mechanical integrity, reliability, safety, and cost efficiency, in accordance with applicable international codes and project specifications. From concept and design through fabrication and delivery, we ensure every piece of equipment is engineered for dependable, long-term performance.
Mechanical
With over 45 years of engineering experience, Precision has strong in-house capabilities in mechanical design and detailed fabrication engineering for shell-and-tube heat exchangers and pressure vessels. Our engineers use advanced design tools and in-house engineering solutions to address complex and specialized design requirements. Detailed fabrication drawings incorporate customer specifications, project requirements, applicable codes, and quality standards to ensure accurate and efficient shop-floor execution. Our design team works closely with engineering, procurement, production, quality, and inspection teams to effectively manage design changes, maintain complete information flow, and ensure seamless execution from design through fabrication and final delivery.
Applicable Codes & Standards
Depending on equipment type, design conditions, materials, service, and project requirements, our engineering activities can be carried out in accordance with applicable editions of:
- ASME BPVC Section VIII, Division 1 & Division 2 - Design and construction of pressure vessels
- ASME BPVC Section II - Materials
- ASME BPVC Section V - Non-destructive Examination (NDE)
- ASME BPVC Section IX - Welding and Brazing Qualifications
- TEMA Standards - Design and construction of shell-and-tube heat exchangers
- API 660 - Shell-and-Tube Heat Exchangers for General Refinery Services
- API 661 - Air-Cooled Heat Exchangers, where applicable
- API 510 - In-service inspection of pressure vessels, where applicable to the scope
- ASTM Standards - Material specifications and testing requirements
- AWS Standards - Welding and fabrication requirements, where applicable
- EN 13445 - Unfired Pressure Vessels, for applicable European projects
- PED 2014/68/EU - Pressure Equipment Directive, where applicable
- ISO Standards - Applicable quality, manufacturing, inspection, and engineering requirements
- NACE / AMPP Standards - Corrosion and sour-service requirements, where applicable
- Applicable IS / BIS Standards - Indian codes and standards where specified
- Client and Project Specifications - Customer-specific design, material, inspection, testing, and documentation requirements
Software
At Precision, we use globally recognized engineering software to support the thermal, mechanical, and structural design of shell-and-tube heat exchangers and pressure vessels. Our digital engineering capabilities enable us to model, analyse, validate, and optimize equipment designs for performance, safety, and reliability. Our engineering toolkit includes HTRI, Aspen, PV Elite, ANSYS, and Autodesk, enabling accurate thermal calculations, Shell and tube heat exchanger & pressure-vessel design, process analysis, finite element analysis, and detailed 3D modelling and fabrication drawings. By integrating advanced software with our engineering expertise, we deliver optimized, code-compliant, and cost-effective equipment designed for reliable performance under demanding operating conditions.
Materials
Carbon Steel - CS
- Fine-grain Steel / Normalized
- High Strength - CS (QH)
Cr - Mo Alloys
- 0.5 Mo
- 1 Cr - 0.5 Mo
- 1.25 Cr - 0.5 Mo
- 2.25 Cr - 1 Mo
- 5 Cr - 0.5 Mo
- 9 Cr - 1 Mo
- 9 Cr - 1 Mo - V
Ni - Alloyed Steel
- 0.5 Ni
- 3.5 Ni
- 9.0 Ni
Stainless Steel
- Ferritic & Martensitic Steels
- Austenitic Steel
- Super Austenitic Steel
- Duplex / Super Duplex / Hyper Duplex
- Urea Grade Steel
Non Ferr. Materials
- Ti - Gr. I / Gr. II
- Inconel 600 / 625 / 800
- Monel 400 (Ni-Cu Alloy)
- Hastelloy C-276
- Cu-Ni 90/10; 70/30
- Admirality / Naval Brass
- Aluminium-Nickel-Bronze