Quality and standards at the heart of all we do

TPG Engineering has been assessed against, or adheres to, the following international standards:

ISO9001 - assessed and approved by Lloyds Register Quality Assurance Limited for the design, manufacture and repair of heat exchangers and associated pressure vessels. Certificate Number LRQ910056.

ISO14001 - assessed and approved by Lloyds Register Quality Assurance Limited for aspects associated with the manufacture and repair of heat exchangers and pressure vessels.Certificate Number LRQ4008769.

ISO18001 - pending award

ASME VIII U stamp and S stamp - produce items in accordance with the requirements of the ASME (American Society of Mechanical Engineers) VIII Boiler Division 1, Boiler and Pressure Vessel Code. Certificate Numbers 27,523 (U Stamp) 27,522 (S Stamp)

PD5500 - for the design, fabrication and inspection of unfired, fusion welded pressure vessels.

EN729-3 - TuV approval to manufacture in accordance with AD-Merkblatt HP 0 / EN 729-3

TEMA Classes R, C and B – approved to the Tubular Exchanger Manufacturers Association (TEMA) standards for Class R (for the severe requirements of petroleum processing), Class C (for general commercial application) and Class B (for chemical process service). 


The company has also satisfied the qualification requirements of the following supplier listings:

Fit for Nuclear - standards required to supply the nuclear industry – in new build, operations and decommissioning

Utilities Vendor Database - registration number 89163 to supply gas transmission plant & equipment.

First Point Assessment (FPAL) – registered with the oil and gas supply chain database for the UK and The Netherlands, registration number 10041125.

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