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Integrated Welding & Engineering Technologies

An Integrated Specialist Engineering Service

QA Weld Tech applies advanced welding and

Key Services

fabrication techniques to provide effective solutions for

Specialist welding and fabrication: - Carbon and low alloy steels - Duplex and super duplex s/steel - High nickel alloys Weld inlay and surfacing Computer Controlled Hot Wire TIG: - Inconel 625 - Stainless steel - Aluminium bronze - Stellite Pressure testing to API & BS8010

clients in the oil, gas, petrochemical, renewable energy and power generation industries. QAWT has developed over 450 fully approved welding procedures. They utilise an extensive range of materials, processes and equipment to provide the optimum solution for Cladding and Inlay, WeldLinks , Pressure TM

Vessels and Flow Bends. A complete pipe work service is provided from the design and procurement, through to fabrication and testing. QAWT’s fabrication division includes a dedicated, clean-condition facility.

Approvals ISO 9000 & ISO 3834-2 accreditation ASME VIII, Div1 U STAMP, Div2 U2 STAMP, accredited

Products High Pressure Pipework Flowspools Pressure vessels WeldLink connectors TM

Equipped to meet the demands of today’s offshore and power generation industries

Weld Surfacing and Inlay QAWT has developed an extensive range of procedures and techniques for weld inlay applications for the Offshore, Petrochemical and Power Generation industries. They include computer controlled hot wire TIG inlay of bores from 40mm diameter and up to 1.5 metres long. Dedicated hot wire TIG pipe cladding machines, automatic submerged-arc and Electro-slag strip cladding are available to complement QAWT’s full range of inlay capabilities.

Weld inlays can be carried out on components for final machining by customers or within our extensive machining facility. NDT, post weld heat treatment and final certification are available to meet customer requirements and specifications.

Flowspool & Pigging Loop Manufacture As a leading supplier of flowspools to the offshore oil industry QAWT combine a wide experience of the industry’s requirements to provide a complete project management service embracing all aspects of production and testing to certification and documentation. Flowspool manufacture is carried out by dedicated Induction Bending machines with capacity induction coils used for bending within 2’ - 8”, 2” - 18” and 10” - 30”. All flowspools are jig built to close industry tolerances. Over 400 approved welding procedures are also available for an extensive range of materials.

QAWT also have extensive bore and RTJ inlay capacity expertise using computer controlled Hot Wire TIG cladding machines. NDT, post weld heat treatment and hydrostatic pressure testing is available to meet customer specification and API codes.

In-line & Flanged WeldLink joining of PE lined water injection pipe ™

WeldLink™ was an innovation by British Gas for a method of joining PE lined pipe. QAWT was invited by British Gas to develop the procedures and techniques for this patented weld joint. Having manufactured WeldLinks™ for global customers, QAWT are now the nominated world-wide manufacturer for the Licensee. QAWT continue to develop new and innovative procedures to meet global customer demand.

WeldLinks™, along with Compression Rings form an integral part of a jointing system for connecting PE (Polyethylene) lined Water Injection pipe and are a are a cost effective alternative solution to Duplex or Inconel clad pipe for Water Injection Pipelines

Specialist CNC machining facility QAWT provide a CNC machining facility to complement our wide range of integrated engineering services. The machine shop manufactures subsea connection systems, API weldneck flanges, high pressure wellhead components and oil tool equipment. Our CNC machine shop facilities are supported by manual machines with full metrology and inspection systems.

QA Weld Tech Limited Bowes Road Riverside Park Industrial Estate Middlesbrough TS2 1LU Tel: +44 (0)1642 222831 Fax: +44 (0)1642242003 Email: Web:


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