V
    VENKATESHWARA
    Engineering
    Services/Welding & Assembly/Pressure Vessel Fabrication
    Capability 22

    Pressure Vessel Fabrication

    ASME / IS 2825 vessels, fully certified - 50L to 100kL, 400 bar design, PWHT in-house, third-party inspection.

    Technical data

    By the numbers.

    Every figure is a working machine specification, not a catalogue estimate. Our equipment is calibrated quarterly.

    Design code
    IS 2825 / ASME VIII Div.1 / PD5500 (on request)
    Shell diameter
    300 – 4000 mm (rolled and welded)
    Design pressure
    FV (full vacuum) to 400 bar (6000 psi)
    Volume range
    50 L to 100 kL (100,000 litres)
    PWHT
    In-house car bottom furnace (up to 1000°C)
    Third-party inspection
    IBR / CCOE / TUV / BV / DNV
    Max vessel weight
    25,000 kg single piece
    Nozzle orientation accuracy
    ±1° angular / ±3mm positional
    Pressure Vessel Fabrication process at our facility
    Quality in action

    See how we deliver precision.

    Our state-of-the-art facility houses the latest equipment operated by certified technicians. Every process is monitored and documented to ensure consistent quality across all production runs.

    ISO 9001:2025 certified
    24/7 quality monitoring
    Certified technicians
    Digital traceability
    Take a virtual tour
    What's included

    Capabilities in detail.

    PED / IBR statutory compliance documentation (CE marking)
    Full design package — code calculations to UHDE data sheet
    NDE — RT, TOFD, UT, PT on all pressure welds (100% or spot)
    Hydrostatic test to 1.5× MAWP, witnessed by client if required
    Shot blast (Sa 2.5) + paint or pickled stainless finish
    Nameplate, design register and O&M manual included
    Materials processed
    SA516 Gr70 (CS, low temp)SA515 Gr70 (CS, intermediate temp)SS 316L (stainless)Duplex SA240 2205Chrome-Moly SA387 Gr11/Gr22 (high temp)
    Typical applications
    • Air receivers (compressed air)
    • Process reactors (chemical mixing)
    • Heat exchangers (shell and tube)
    • Storage bullets (LPG, ammonia)
    Need mill certs?

    All materials supplied with EN 10204 3.1 traceability on request.

    Ask our team
    How it works

    Our process, simplified.

    From initial consultation to final delivery, we maintain transparency and quality at every step.

    01

    Consultation

    Requirements gathering & feasibility analysis

    02

    Design

    3D modeling & engineering approval

    03

    Fabrication

    Precision manufacturing & in-process QC

    04

    Delivery

    Final inspection & logistics coordination

    FAQs

    Common questions.

    Can't find your answer? Email our team

    Keep exploring

    More in Welding & Assembly.

    Back to all services
    Start your project

    Ready to discuss your pressure vessel fabrication project?

    Send us your drawings or spec sheet. We'll have a quote and schedule back to you within 24 hours.