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Vibratec Akustikprodukter AB Marine & Navy
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Page 1: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

Vibratec Akustikprodukter ABMarine & Navy

Page 2: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

Vibratec Akustikprodukter ABMarine & NavyVibratec is specialized in anti-vibration, damping, noise and shock protection for different offshore applications such as vibration isolation of turbo compressors, turbine generators, accommodation modules and piping. We also do on-site surveys, specially designed noise enclosures and tuned mass dampers.

We provide:

• Engineering

• Custom designs

• Manufacturing and stock

• Installations

• Documentation

• Noise and vibration measurments

Page 3: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

All-Metal Hangers Complete Pipe Clamps Expansion Joints

Pipe Suspension

Vibrations in pipe systems can lead to resonant problems and fatigue in pipes and structures. These problems can be prevented by correctly dimensioned and positioned supports and bellows. Vibratec can supply different types of vibration isolated pipe supports completely in AISI316 or higher quality if needed:

* Fixed and sliding supports

* Pendulums

* Pipe clamps

* Expansion joints

3

Selected references:

Stena Explorer Ulstein X-Bow

The pipe vibrations may be further reduced using additional pipe dampers. Vibratec offers solutions with friction dampers, that also can be used in combination with vibration isolators.

M/S Visby and M/S Gotland

Page 4: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

Section: A-A

A

A

Preliminar

yTh

is d

ocum

ent a

nd it

s co

nten

ts a

re th

e ex

clus

ive

prop

erty

of V

ibra

tec

Akus

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oduk

ter A

B an

d m

ay n

ot b

e co

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, rep

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tran

smitt

ed o

r co

mm

unic

ated

to a

third

par

ty, o

r use

d fo

r any

pur

pose

with

out w

ritte

n pe

rmis

sion

.

Design Checked by Approved by

Rev.4 mm

MP Wire Rope Isolator

Version 3

01

Weight

N/AFormat

A1

Vibratec Akustikprodukter ABNorrsund 1859,760 17 BlidöTel. +46 (0) 176 20 78 80www.vibratec.se

Drawing.no

M140806-001

N/AScale

Date

2014-08-13

Workmanship and tolerances in accordance with ISO 2768-1 Class MUNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN MILLIMETERS

TOLERANCES

X.X N/A

X.XX N/A

X.XXX N/A

ANGLES 0.5

REVISION HISTORYRev Description Sign Checked Approved Date

BOM

Pos. Qty. Description Material Mod. -no/Dim Art.no Comment1 1 Upper flat bar Al. 6060 35x15x8 2 1 Lower flat bar Al. 6060 35x15x8 3 1 Wire AISI 316 4mm 4 1 Lower Interface Bolt M8x20 DIN7991

35

8

15

35

8

15

M6

29

10Ap

prox

.

10Ap

prox

.

8,5Ø

1

24

3

7002, All metal Isoaltors Wire Rope Isolators Elastomer Shock Mounts

Sensitive Equipment

Using Vibratec’s extensive range of Wire Rope Isolators and elastomeric shock mounts, most equipment can be suspended successfully. Examples of common applications are electronic boxes, computers, monitors, radar units and similar. To use the correct equipment for the particular stress of Your case, Vibratec engineers performs the correct shock calculations.

4

Selected references:

Rolls-Royce Kamewa AB Kongsberg Defence & Aerospace AS HMS Visby & Helsingborg

Page 5: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

Exhaust Silencers Splitter Attenuators Catalytic Converters

Silencers and Emission Control

The standard reactive and absorptive silencers we have in stock can be combined to achive high attenuations. In addition to the standard range we can also customize silencers based on specific customer demands.

• Suitable silencers or combinations thereof are dimensioned based on• demand for attenuation• distance from source• gas flow• max allowable back pressure• noise spectrum• length of end pipe

If the input noise spectrum from the engineis not available we can either calculate this based on rotational speed, effect and number of cylinders or find values from our data base of previous projects.

The silencers can if necessary be equipped with lifting lugs, mounting brackets, spark arrestor, catalytic converter or catalytic soot filter.

5

Selected references:

Transocean Searcher Seismic Vessel HMS Sovereign Grandweld Shipyards, Craneboats

Page 6: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

All-Metal Spring Isolators Rubber Isolators Customized Spring Packages

Propulsion Engines and Generator Sets

Isolation of propulsion engines and generator sets can be done by using rubber or all metal isolators. Depending on the application we can choose from a vast array of different solutions designed to work the best with your equipment.

Vibratec dimensions an optimal solution with respect to your engine effect, gear box, coupling and forces due to roll, pitch and heave. Data sheets for some of the products we use can be found below. In difficult cases we use customized solutions to reach the desired vibration isolation performance.

6

Selected references:

CB90-class fast assault craft Swedish Sea Rescue Society Swedish Coast Guard patrol vessel

Page 7: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

Measurements & Surveys, Installation and Supervison

Vibratec has a number of employees that can undertake various installation jobs, measurements and surveys on offshore units. Thorough investigations and skilled personnel are vital for a correct design and installation, and in the end optimal function.

Typically Vibratec undertakes jobs within noise & vibration control as complete projects involving AVM’s, exhaust & ventilation silencers, damping treatment of steel decks, pipe dampers, noise enclosures and TMD’s (Tuned Mass Dampers).

A site survey prior to a project or preparation of budget for executing can also be performed by Vibratec. If additional measurements of noise and vibration are required Vibratec can perform vibration and sound measurements for internal use for engineering purposes or for control of obtained noise reduction.

7

Page 8: Vibratec Akustikprodukter AB Marine & Navyen.vibratec.se/wp-content/uploads/sites/6/2014/09/marine-broschyr.pdfStena Explorer Ulstein X-Bow The pipe vibrations may be further reduced

SwedenTel: +46 176 20 78 [email protected]

NorwayTel: +47 33 07 07 [email protected]

DenmarkTel: +45 49 13 22 [email protected]

EstoniaTel: +372 56 66 29 [email protected]


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