LPS0265 DIP Brochure - SPE Offshore Europe

Diverless Installable Products
Engineered Systems
2
Diverless Installable Products
Contents
Description
Page No.
Introduction
3
Company Profile
3
Vortex Induced Vibration
Suppression Strakes
4
Thermal Insulation and
Integral Strakes
4
Engineered Thermal
Insulation Covers
5
Diverless Bending
6
Stiffener Connector (DBSC)
ROV Clamps
7
Distributed Buoyancy
Modules
8
ROV Releasable
Buoyancy Modules
9
ROV Buoyancy Modules
10
Research and Development 11
ROVs were developed to aid inspections and operate
in hostile waters where it would be unsafe or
impossible to use divers.
Before long, inspection ROVs were upgraded, fitted
with manipulators etc, and became the workhorse
for both Subsea inspections and basic intervention.
Over the years ROVs have become more dextrous
and operate in significantly deeper waters. They are
now a necessity for Subsea intervention.
Diverless Installable Products
Introduction
This publication is designed to present
Trelleborg CRP’s diverless intervention
products and solutions. Trelleborg CRP
have completed a number of high profile
contracts for the design, engineering and
supply of products including buoyancy
modules, thermal insulation covers, flange
and pipeline protection, all of which have
unique project specific design features.
Trelleborg CRP is the largest and most
experienced manufacturer of ROV
buoyancy modules worldwide. Trelleborg
CRP’s customer list is extensive and
includes all the key ROV manufacturers.
Trelleborg CRP has produced buoyancy
modules for Halliburtons’ Pioneer,
Examiner, Hercules and Warrior vehicles,
Perry Slingsby Systems’ - MRV, Olympian,
Spartan, Triton MRV and ST trenching
vehicles, Stolt Offshores’ - SCV 3000 (see
page 10), and Matis, plus a myriad of
smaller vehicle builds including Seaeye
Marines’ Puma and Sub-Atlantics’
Cherokee. By the end of 2004 Trelleborg
CRP had supplied over 1000 modules on
over 250 different vehicles.
Trelleborg CRP is Proven to Perform.
manufacture of buoyancy systems for
AUV’s, manned submersibles, trenchers
and deep sea rescue vehicles (DSRV’S).
A relatively new type of subsea vehicle
currently in great demand is deepwater
‘tracked' cable maintenance ROV's, or
Trenchers. This in effect is a subsea tractor
with wheels or track pads, but because of
its size and weight in water, requires a
substantial buoyancy pack depth rated
accordingly, typically 3000 metres.
Further more Trelleborg CRP have an
extensive track record for the design and
Company Profile
With over 30 years of experience, Trelleborg
CRP is a recognised leading designer,
manufacturer and supplier of thermal
insulation, buoyancy and cable protection
solutions to the Offshore, Marine, Subsea
and Telecommunication industries.
With its headquarters in Skelmersdale, UK,
the company started life producing
polyurethane lifebuoys and lifejackets for
the Marine industry, quickly earning a
reputation for high quality manufacturing
and product development.
As a result of a continuous policy of
product innovation and a programme of
strategic growth, Trelleborg CRP embarked
upon a number of material diversifications
including syntactic foam, a material used in
the construction of subsea buoys, ROV
buoyancy and thermal insulation systems,
which precipitated the company’s entry into
the offshore market.
Global Capabilities
The company continued to expand
throughout the 80’s and 90’s, moving into
a purpose built manufacturing and office
facility in 1990, heralding the start of a
programme of continued expansion
through both generic and strategic growth.
By 1998 the company had further
extended its site, more than doubling the
manufacturing facility whilst adding a
dedicated testing facility housing Europe’s
largest hydrostatic pressure vessel for the
testing of deepwater buoyancy modules.
The group gained BS EN ISO 9001
certification (since superseded by
BS EN ISO 9001:2000) and continued
to invest in both its home and overseas
operations. In 2000 the company acquired
OCP Cable Protection Ltd and US based
Emerson & Cuming Composite Materials,
Inc. (ECCM). OCP, a specialist
manufacturer of cable protection products,
primarily servicing the seismic industry,
complimented Trelleborg CRP’s product
range and opened up new market sectors
for the group. ECCM are widely regarded
to have pioneered the development of
syntactic foam buoyancy systems over 50
years ago and brought in-house production
of high grade glass microspheres
(Eccospheres®) to the group. This material
has been used extensively in offshore
thermal insulation applications together
with a wide range of enhanced syntactic
materials used heavily throughout
Trelleborg CRP’s markets and also in
aerospace, space and military applications.
Continued Development
February 2003 saw the acquisition of
Houston based BGII, significantly increasing
the group’s manufacturing capability whilst
enhancing the scope of supply to the
expanding Gulf of Mexico sector.
In January 2006 all companies were
acquired by Trelleborg AB through their
Trelleborg Engineered Systems business
area. Trelleborg is a global industrial group
with over 22,000 employees operating in 40
countries. Their market leading positions
are based on advanced polymer technology
and in depth applications know how.
As part of Trelleborg each company is able
to benefit from a number of synergies
including combined research and
development programmes, cost efficiency
initiatives, production flexibility and the
sound financial platform that is provided by
a large international conglomerate.
Despite this rapid growth Trelleborg CRP
has remained true to the principles of
customer service and product innovation
that launched the company over 30 years
ago, continuing to offer engineered
solutions that assist its customers to increase
the efficiency, cost effectiveness and on-site
safety of projects all over the world.
3
4
Diverless Installable Products
Vortex Induced Vibration Suppression Strakes
In deepwater applications, the use of steel
catenary risers is increasing. These risers can
be subject to the complex phenomenon of
Vortex Induced Vibration (VIV). VIV
causes accelerated fatigue damage and can
give rise to problems such as pipe girth
weld failure. Other applications prone to
VIV are rigid steel flowlines unsupported
over free spans and major deepwater field
developments utilising a large number of
thermally insulated pipelines, etc.
For existing lines a VIV suppression system
can be retrofitted by divers up to a pre
determined limit or by ROV in deepwater.
ROV Installable VIV Strake Covers
Designed to established Trelleborg CRP
design standards for VIV suppression
strakes, Trelleborg CRP ROV installable
strake covers are high performance
composite covers with an attachable
polymer strake profile incorporating the
field proven hinge and ratchet locking
mechanism (ROR - Remote Operated
Ratchet) which allows the ROV to handle,
open and securely close the covers around
the pipeline. The strake covers are
manufactured in two halves using a high
performance GRP composite, providing a
lightweight high-strength structure which
supports a separately moulded rigid
polyurethane strake, sized to suit each
design. The covers are hinged down one
side and fitted with a patented moulded
ROR system on the other side with
connection points.
The covers are designed to minimise ROV
intervention and incorporate accessible
handles to afford easier installation.
All these features can be incorporated at
design stage with the cooperation of the
ROV or installation contractor.
The whole system is neutrally buoyant in
seawater but can be adjusted to suit.
Thermal Insulation and
Integral Strakes
On the majority of deepwater
developments, for fields greater than
1000msw, thermal insulation is often
required on all exposed pipeline structures,
including subsea manifolds, Xmas trees and
spool piece pipelines. As the outer diameter
of the pipeline increases due to the
additional insulation requirements the
potential for VIV is also increased.
Trelleborg CRP provide thermal insulation
shells incorporating a “strake profile” which
is moulded into insulation shells. This
solution has been successfully used on a
multitude of previous projects.
With the increasing number of deepwater
field discoveries it is anticipated the
requirement for integral VIV strakes will
increase accordingly.
By adopting the integral strake principle
with a thermal insulation requirement,
Trelleborg CRP can design a dual function
engineered product to suit clients exact
thermal and VIV suppression requirements.
Other variants are available and Trelleborg
CRP’s experienced design department can
develop project specific systems.
Diverless Installable Products
Engineered Thermal Insulation Covers
Engineered Connector Insulation
Often the most challenging piece in the
flow assurance jigsaw is the insulation of
the final connections. Risers, Flowlines,
Jumpers, Manifolds and Trees can all be
insulated prior to deployment, but once
installed and successfully connected it is
vital that those connection areas are
adequately insulated in order to maintain
the integrity of the completed system.
Connections can take many different forms
and may require completion via many
different methods, from a diver installed
flange connection through to a deepwater
ROV installed stab and hinge over. Retrofitting insulation covers are often required.
Trelleborg CRP has a wealth of experience
in the design and manufacture of insulation
covers to suit the broad range of complex
and intricate assemblies in use today. Our
design teams have extensive experience of
developing bespoke solutions for one-off
applications as well as working with the
major subsea equipment suppliers to
develop standardised solutions for the more
common connection systems.
In order to produce a cover that combines
insulation efficiency with ease of
installation a number of key factors need
careful consideration. Trelleborg CRP
engineers work closely with clients to adapt
and modify existing solutions or develop
project specific designs to meet particular
requirements. Among the most important
considerations are:
• Materials
• Sealing
• Hinging and Latching
• Buoyancy and Ballast
• Installation Interfaces
Thermal Insulation Shells and Doghouses
are both installable by Remote Operated
Vehicles (ROV). Installing any component
in deep water via an ROV brings a
multitude of challenges. Like the diver
installed covers, units that are to be
installed via an ROV need to be easy to
handle and fool-proof to install. Unlike a
diver an ROV operator has very limited
and usually fixed visibility and relatively
limited dexterity. The ROV installed cover
therefore needs to be as simple a design as
possible, with a great deal of emphasis
placed on self-locating latching mechanisms
and semi-automated operations. ROV time
is very costly and as such the number of
individual actions required to complete an
installation are kept to a minimum.
Each Engineered cover is unique as they
are bespoke in design for their particular
application. Our engineered covers have
evolved over the years and during this
period of time Trelleborg CRP have
constantly improved their design. All
modern covers incorporate a unique sealing
arrangement which has been developed
throughout rigorous testing and
operational monitoring.
5
6
Diverless Installable Products
Diverless Bending Stiffener Connector (DBSC)
Dynamic flexible risers, flowlines, power
cables and umbilicals may be connected to
a rigid structure such as a subsea riser base
or the turret exit of a floating production
vessel. The presence of environmental loads
will subsequently cause the “riser” to flex
about this fixed location which, in
combination with large axial loads, may
cause damage to the riser structure due to
overbending and fatigue.
To prevent damage due to overbending the
critical interface may be supplied with an
integral bending stiffener (BS). The BS has
a conical external profile with a hollow
cylindrical section which allows it to slide
over the end of the riser, adding local
stiffness adjacent to a rigid connection to
limit bending stresses and curvature to
acceptable levels.
Trelleborg CRP have the in-house
capability to design and manufacture a
wide range of steel interface structures to
enable the BS to be connected to the
adjacent rigid connection. The items often
require complex interface engineering with
riser suppliers, platform designers and
installation contractors all wishing to have
an input into the design process to ensure
ease of construction and installation and
integrity in service.
For applications where the bending
stiffener is prefitted to the riser prior to
deployment and reeled off the laybarge
before being pulled into the I Tube,
Trelleborg CRP developed the Diverless
Bending Stiffener Connector System.
The Diverless Bending Stiffener
Connector System (DBSC) assembly
normally consists of the following
components:
• Female Interface (The main interface
for the connection of the bending
stiffener connector).
• Diverless Bending Stiffener Connector
(self activating and diverless).
• Bending Stiffener.
• ROV Removable Clamp (required
during installation of the DBSC
then removed).
• Fixed Clamp/Backup Clamp (required
during installation of the DBSC,
remaining in place during normal service
life then used to facilitate the removal of
the BSC should it be required).
The Trelleborg CRP DBSC is secured
within the bore of the female interface via
a fatigue resistant locking arrangement.
The process is quick and reliable, with
minimal ROV assistance required during
installation.
Diverless Installable Products
ROV Clamps
ROV Removable Clamp
The ROV removable clamp is based on
Trelleborg CRP’s typical buoyancy module
internal clamp with a titanium strap
surrounding a segmented syntactic body. The
strap is modified to include ROV friendly
fasteners and grab handles to enable removal
by an ROV. A typical application for ROV
removable clamps is within a Diverless
Bending Stiffener Connector System.
Each ROV removable clamp assembly
consists of:
• Clamp body
• Circumferential strap
• Tensioning assembly
The clamp body has a cylindrical geometry
and is split into individual segments to
allow installation around the riser in a “drill
chuck” arrangement. Rather than using a
conventional bolting arrangement the
required contact pressure between the riser
and the clamp body is generated using a
tensioned circumferential flat strap around
the outside of the clamp body which is
tensioned using a simple double cross bar
and screw arrangement. Rotation of the
screw using a defined torque causes it to
rotate, pulling the crossbars together and
hence generating the required tension.
ROV Installable and
Removable Clamp
The ROV installable and removable clamp
is a steel multi-segment clamp. The
segments are required to cope with the riser
OD tolerance, expansions and contractions.
Each segment is held together using ROV
friendly fasteners. A hinge connects two
segments and swing bolts which allow the
clamp to be initially installed as a hinged
two part clamp.
Once in place on the riser, the ROV
engages and begins to torque up the swing
bolts and the other fixed fasteners as per a
typical multi-segment clamp.
Prior to ROV installation guide wires are
installed at surface which take the weight of
the clamp during installation and removal.
ROV Installable Clamps
Trelleborg CRP design and manufacture a
complete range of clamping systems. With
over 20 years experience in the offshore
industry and an unrivalled knowledge and
expertise in polymer-composite materials,
Trelleborg CRP are the world’s leading
clamping system supplier. To complement
our range of standard systems we offer a
complete ‘concept to completion’ service
Rigid Riser Clamps
During the life of a fixed production
platform it is often necessary to fit
additional risers to the structure. Any
connections between the riser and the
platform structure must be capable of
subsea assembly and be able to carry both
static and dynamic loads throughout the
design life. Connections of this nature may
be made using rigid riser clamps.
Riser Clamps
Floating production platforms are normally
connected to the subsea facilities by flexible
risers and umbilicals. In these systems it is
often necessary to support the umbilicals
directly from the risers. Umbilicals may be
secured to dynamic risers by installing
clamps at discrete intervals.
7
8
Diverless Installable Products
Distributed Buoyancy Modules
More specifically in Floating Production
scenarios, dynamic risers, rigid steel export
risers, cables and umbilicals often require to
be held subsea in a geometric configuration
known as a stable catenary from vessel or
platform to the riser base or export tanker.
To achieve this shape one must apply a
distributed buoyant load to the relevant
riser section, this can be achieved with
Trelleborg CRP’s “Distributed Buoyancy
Modules” (DBMs).
DBMs are usually deployed from a vessel at
surface level but following installation it
may become necessary to apply additional
buoyancy to the stable catenary. In this case
further DBMs can be installed to the stable
catenary at subsea level using an ROV. This
is known as a ROV installed “retrofit
buoyancy solution”.
ROV installed DBMs have a slightly
different configuration to surface-installed
DBMs. An existing DBM with integral
internal clamp can be easily modified to
enable ROV installation.
Buoyancy Element
The buoyancy element, which generates the
upthrust to the flexible riser/cable/umbilical
consists of the following:
• Syntactic Foam Core
• Robust outerskin
• Integral clamp
• Fastenings
• Installation frame including ballast
The buoyancy element itself is split into
two identical halves which allow it to be
fitted around the riser/cable/umbilical.
Clamp
Clamping onto the riser/cable/umbilical is
via a pliable integral clamp fixed to the
internal bore of the buoyancy elements.
Fastening System
The fastening system consists of a hinge
arrangement and a ROV operable latching
and tensioning assembly. The hinge
arrangement holds the two halves of the
buoyancy elements together, allowing the
entry of the riser/cable/umbilical.
Tensioning Assembly
The tensioning assembly is designed
specifically for ROV use. The first
operation is engagement of the latch which
is achieved automatically as the two halves
of the buoyancy element are brought
together fitting by latch hooks onto the
adjacent bar. The tensioning assembly can
then be torqued up by the ROV.
Installation Frame
For installation using ROV, an installation
frame can be utilised which performs two
functions, firstly to control the opening and
closing of the module elements around the
umbilical during installation, and secondly
to hold the ballast in place during
installation. The frame can then be
removed by turning ROV friendly throughbolts to release the ballast from the module
and the frame can be re-used if desired.
Diverless Installable Products
ROV Releasable Buoyancy Modules
When installing heavy large diameter
pipelines offshore, especially in deepwater,
the tensions generated on the installation
vessel can be extremely high. To reduce the
weight of the pipeline during installation,
discrete buoyancy modules can be strapped
to the pipeline onboard the vessel or on
land in the case of a shore pull.
Trelleborg CRP pipeline buoyancy modules
are manufactured for surface and deepwater
operations. In many cases each of the
pipeline buoyancy modules have to be
released and recovered, a task which can be
carried out by divers, an ROV or an
acoustic release mechanism. Trelleborg CRP
design, engineer and manufacture a
complete buoyancy system to suit all
project requirements. A number of standard
cylindrical or square section buoyancy
modules are available “off the shelf ” but
usually clients request Trelleborg CRP to
produce a project specific design.
For mid-water and deepwater pipeline
buoyancy modules, Trelleborg CRP use a
composite syntactic foam formulated to
match the maximum operating depth.
Typical water depths are 500, 1,000,
1,500 and 2,000 metres but syntactic
foams for greater water depths are
available if required.
The fast and efficient installation and
subsequent release of buoyancy modules are
essential to the overall success of any
pipeline project. Trelleborg CRP provide a
range of banding systems to secure the
modules with project specific
attachment/release mechanisms, where
ROV releasable systems have been used
successfully on many recent deepwater
projects.
Flexifloat
Flexifloat is designed to remove the project
specific nature of pipeline buoyancy
modules. Nearly every installation has a
different buoyancy requirement due either
to a change in the pipeline diameter or by
installation depth of the pipeline. Flexifloat
comprises a series of discrete tubular
buoyancy elements which are interlocked
together by a Flexilink connector. This
allows the buoyancy to hinge around the
main pipeline to provide a close fitting low
profile buoyancy system. The Flexifloat
system can be supplied to generate 1,0005,000kg buoyancy per element and is rated
for water depths of 30-1,000msw. It can be
secured using conventional carbon steel ripaway straps or by a dedicated Quick Release
Mechanism (QRM) and reusable
Kevlar/EVA coated straps.
Ancillary Equipment
Trelleborg CRP provide a range of ancillary
interface equipment to facilitate the
attachment of existing buoyancy modules
on to new/alternate pipeline/carrier
systems including interface saddles and
securing straps (including ROV releasable
securing straps)
Non Standard Buoys
Trelleborg CRP can offer a complete
design, engineering and manufacturing
service to clients who have a specific
“subsea” problem to solve. If standard
Trelleborg CRP buoyancy units are
inappropriate, development of a bespoke
solution will be offered. Trelleborg CRP
have produced a variety of “non standard”
subsea buoyancy modules with unique
design features, including ROV “ball grab”
connection buoyancy modules with depth
rating up to 3,000 metres.
9
10
Diverless Installable Products
ROV Buoyancy Modules
Trelleborg CRP have been manufacturing
syntactic foam buoyancy modules for
ROVs for nearly 20 years. During
this time the size and complexity of
modules have increased significantly.
Buoyancy modules of up to 10,000kg
nett buoyancy are now commonplace with
the average water depth requirement up to
around 3,000 metres.
Trelleborg CRP have the material technology
and design experience to manufacture highly
sophisticated buoyancy modules using either
a cross-linked co-polymer foam, typically for
water depths up to 600 metres or a syntactic
foam, depth rated to over 7,000 metres - full
ocean depth.
Clients are asked to send their
preliminary enquiry to Trelleborg CRP
to be carefully assessed by our Subsea
Engineering department.
Inserts
One of the more complex issues relating to
ROV module design is the location and
incorporation of metallic inserts. These are
usually provided as lifting points or for the
attachment of additional equipment.
However they can make a straightforward
technical issue extremely complicated unless
dealt with correctly at the design stage of a
particular enquiry. Trelleborg CRP have a
vast amount of experience in dealing with
this very important subject.
Protection Coatings
ROV reliability is an essential requirement
and ROV deepwater buoyancy modules can
be vulnerable to handling damage, usually
during deployment and recovery.
Simultaneously applied impact and
hydrostatic effects can compromise
operational reliability. To address the problem
and enhance module strength, a unique
“hard shell” outer skin is incorporated within
all Trelleborg CRP deepwater ROV buoyancy
packs. The “hard shell” is homogeneous
within the composite core and outer layers of
the polyurethane elastomer skin. Following
extensive impact testing the “hard shell”
system proved to be 3 times stronger than a
conventional outer skin.
Diverless Installable Products
Research and Development
Testing Capability
Testing and product development are at the
heart of Trelleborg CRP’s material advances
and product solutions. Whether this be
within the laboratories, witness testing or
ongoing research and development, testing
is a major focal point for Trelleborg CRP.
Trelleborg CRP believe that continuous and
extensive testing is the only way to remain
at the forefront of material development
and continue to offer solutions that expand
production possibilities and improve
operating efficiency.
facility. Although a similar size chamber,
this vessel is rated to 3,400msw.
Load Testing
In order to verify the performance of the
product Trelleborg CRP will typically
perform various function tests. These tests
will be tailored to the product in question
to satisfy both Trelleborg CRP and the
client that the product is fit for purpose.
Typical tests performed are as follows:
• Proof load testing
• Destructive load testing
Hydrostatic Pressure Testing
Hydrostatic testing is probably the most
common and regular form of testing
undertaken by Trelleborg CRP engineers. To
assist with the thorough and comprehensive
testing of buoyancy modules, Trelleborg
CRP have numerous pressure vessels rated
up to 17,000bar and have installed one of
the largest hyperbaric test chambers in
Europe. Rated to 3,000msw, it has an
overall height of 8.8m and inside diameter
of 3m, enough to accommodate some of the
largest buoyancy modules.
• Fatigue load testing
To complement this impressive fully
instrumented test facility, a second test
chamber is fully operational at our Houston
Fatigue testing can be set up for products
being used in high dynamic environments.
The fit up and ease of assembly and timing
• Simulated installation tests
The proof load test is subjecting a fully
assembled product to the calculated
maximum in service loading for a defined
time period, then examining the product for
any signs of damage. The destructive load
test includes a first proof load test, before
increasing the load until failure of one or
more of the elements occurs. The failure
load is recorded and compared to the load
anticipated by calculation methods.
will be verified through simulated
installation testing prior to the product
leaving the factory.
Facilities
Trelleborg CRP have all the necessary
equipment and personnel to conduct a
wide range of materials testing and
factory acceptance testing. All products
and materials are subjected to a rigorous
programme of qualification and
process control.
Trelleborg CRP also have contact with and
access to external testing houses. In addition
to hydrostatic testing the company has a
comprehensive physical test laboratory and
a calibration system fully compliant with
BS 5781 Part 1/ISO 10012-1 standards.
The company also designs and constructs
full scale test rigs for new product design
verification with the testing carried out at
Trelleborg CRP and witnessed by clients or
third party inspection as required.
Extensive chemical laboratory facilities are
available for analysis of the full range of
polymer materials employed in the
product range.
11
NORTH AMERICA
EUROPE
Trelleborg CRP Business Unit
Stanley Way
Skelmersdale
Lancashire
WN8 8EA
UK
Trelleborg CRP Ltd.
Stanley Way
Skelmersdale
Lancashire
WN8 8EA
UK
Tel: +44 (0)1695 712000
Fax: +44 (0)1695 712111
Tel: +44 (0)1695 712000
Fax: +44 (0)1695 712111
Trelleborg CRP Business Unit
114 rue Saint Lazare - BP20609
60476 - Compiegne cedex 2
France
Email: [email protected]
Website: www.trelleborg.com/crp
Tel: +33 (0)3 44 23 03 50
Fax: +33 (0)3 44 23 03 49
Trelleborg CRP Business Unit
Norsea Dusavik
Bygg 1
PO Box 138
4001 Stavanger
Norway
Tel: +47 51 54 38 00
Fax: +47 51 54 35 00
Email: [email protected]
Website: www.trelleborg.com/crp
Trelleborg OCP Ltd.
3 Peter Green Way
Barrow-in-Furness
Cumbria
LA14 2PE
UK
Tel: +44 (0)1229 842070
Fax: +44 (0)1229 842071
Email: [email protected]
Website: www.trelleborg.com/ocp
Trelleborg CRP Inc.
1902 Rankin Road
Houston
TX 77073
USA
Tel: +1 (281) 774 2600
Fax: +1 (281) 774 2626
Trelleborg CRP Inc.
3131 West Little York Road
Houston
TX 77091
USA
Tel: +1 (713) 956 0435
Fax: +1 (713) 290 0211
Email: [email protected]
Website: www.trelleborg.com/crp
Trelleborg Emerson & Cuming, Inc.
59 Walpole Street
Canton
MA02021-1838
USA
Tel: +1 (781) 821 4250
Fax: +1 (781) 821 0737
Trelleborg Emerson & Cuming, Inc.
24 Teed Drive
Randolph
MA02368
USA
Tel: +1 (781) 963 6794
Fax: +1 (781) 963 6788
Email: [email protected]
Website: www.trelleborg.com/eandc
The information contained in this publication is for guidance only and does not constitute a specification. All figures are nominal. This document discloses
subject matter in which Trelleborg CRP Limited has proprietary rights. Neither receipt nor possession thereof confers or transfers any right to reproduce or
disclose the documents, any information contained therein, or any physical article or device, or to practice any method or process except by written agreement
with Trelleborg CRP Limited.
Trelleborg CRP Limited is committed to further development of all its products. The right is reserved to alter this specification without prior notice.