TPT September 2013

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Technology News
64 September 2013
Boiler pipe processing
ORBITALUM Tools GmbH has
expanded its range for pipe cutting,
bevelling/squaring and orbital welding
with its new BRB 2 Full Auto boiler-pipe
processing machine. The pneumatically
operated machine is a suitable addition
to the company’s WIG pipe-in-sheet
weld heads.
It is designed to be economical and
ensures high levels of precision and
quality when shortening and welding
thousands of pipes on heat exchangers.
The machine provides users with
precision and efficiency during
maintenance and service, and defective
pipes can be easily ‘milled out’ of the
pipe sheet.
The cutting system for exact squaring
and bevelling works with up to four
low-cost cutting bits. Automatic hydro
pneumatics are started when the
touch control is activated. The BRB 2
clamps and centres itself in the pipe
using compressed air, and the cutting
process begins with hydraulic soft start.
In addition, rapid traverse can be used
for faster working.
All of the control elements are easy
to operate because they are integrated
into the machine. The speed is initially
adapted to heat exchanger use, but can
be conveniently varied using a control
valve. The feed can also be controlled
continuously with a voltage divider. The
robust, length-adjustable end switch
stops the shortening process exactly at
the desired position.
Other special features include the
balance setting, which is integrated into
the handle for easy operation between
the processing cycles. The exhaust air
ring can be rotated, which allows the
airflow to be kept away from the work
piece and operator. The advantage of
this is that an oil film does not form on
the work piece – an unwanted effect that
is often the cause for errors (pores and
cavities) forming in the weld metal.
Orbitalum Tools GmbH – Germany
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Weld engineering designed for
oil and gas projects
HIGHLY specialised welding and
complementary services such as
fabrication, machining, corrosion
protection and NDT in the oil and
gas sector are available to meet the
diverse needs of equipment suppliers
manufacturing a range of components
from pipelines and flanges to risers and
pigging systems.
However, finding all, or even a few,
of these disciplines from a single-
source supplier is rare as the need for
an in-depth understanding of so many
disciplines, and their equally wide and
demanding quality standards, requires
vast knowledge and experience.
Yet Gloucestershire, UK-based
weld overlay cladding and fabrication
specialist Arc Energy Resources
has successfully completed many
projects that required just such a multi-
disciplined approach.
Commenting on the multi-disciplined
approach to its welding service, man-
aging director Alan Robinson stresses
the company’s significant investment in
training and its commitment to meeting
worldwide certifications and industry
standards. Whatever a customer
needs, from design for manufacture to
final NDT, Arc Energy has the industry
standard resource to exceed its clients’
expectations.
In addition, Arc Energy holds ASME U
and National Board R Stamps, enabling
the company to provide code compliant
equipment and pressure vessels for
subcontract welding on free-issue
ASME standard material.
These accreditations are part of Arc
Energy’s impressive list of qualifications,
which also include ISO 9001:2008 quality
management system, ISO 14001:2004
environment management system,
Investors in People and OHSAS 18001
health and safety management system.
Arc Energy also remains one of very
few welding specialists that can boast
accreditation to the ISO 3834-2 welding
quality standard and conformance to
ISO 14731, Welding Coordination. If
size and tight tolerances require stress
relieving after weld overlay cladding,
even with large items of equipment,
Arc Energy is able to carry out post-
weld heat treatment in one of its own
calibrated furnaces.
Add to that the fact that Alan Robinson
is himself one of very few UK registered
International Welding Engineers, has
a Masters degree in welding, and is
a Chartered Engineer, a European
Engineer and a senior member of the
Welding Institute. All of which reinforces
the fact that few welding specialists
can equal this list of accreditations,
or provide Arc Energy’s capability to
support clients with a multi-disciplined
welding, fabricating and engineering
service delivered by highly qualified and
experienced welding staff.
Arc Energy – UK
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Website:
The BRB 2 Full Auto boiler-pipe machine