Flexible Tanks

PERFECT STORAGE SOLUTIONS FOR

MOBILE USE AND TEMPORARY APPLICATIONS

FLEXIBLE RESERVOIRS FOR THE STORAGE OF LIQUIDS

I N D U S T R I A L B U I L D I N G  /  S T R U C T U R A L A N D C I V I L E N G I N E E R I N G

A G R I C U LT U R E

RAINWATER HARVESTING

EN Edition 2017
 When are flexible tanks a practical solution?
Flexible, self supporting tanks from These flexible tanks are designed
Dachstein factory near Strasbourg (France) GRAF present an excellent alter​​na- for the most diverse applications,
tive to conventional tanks and offer and additional accessories can be
a great many advantages: installed or modified as the need
arises.
l Low empty weight
l Ease of transport Suitable for:
l Simple setup l Industrial waste water

l Large holding capacity up to 600 m3 l Process water

l Easy to empty and clean l Agricultural waste water

l Opaque l Rainwater

l UV resistant l Liquid fertilisers

l No evaporation l Stock water

l No penetration of contaminants or l Many other solutions

microorganisms
l Long lifetime

l 100% recyclable

Teningen factory near Freiburg

The flexible tank: Fast and simple setup

Preparing the platform or washing out. A protective mat can acts as a barrier against penetration.
GRAF – quality plastic products The setup of a flexible tank requires an be laid as a barrier between the tank Broken stones should not be used as
For 50 years, the GRAF brand has been synonymous with high-quality plastic products. GRAF has a highly absolutely flat and horizontal surface and the ground. A recommended stable the covering layer.
varied product range, covering everything from rainwater harvesting and rain percolation products to local (verified with a spirit level) and a clean, platform for large holding capacities is
stable subsurface free of pointed and a compressed bed 15–20 cm deep. This
disposal of wastewater. Right from the start, the GRAF range has included plastic containers and barrels
sharp objects. The platform must bear must then be covered with a 5–10 cm Retention membranes available on
for agricultural and industrial use.
the weight of the tank without sagging thick layer of compressed fine sand that request in a range of sizes.

Commitment to Germany Tied to our past Quality is our main priority Setting up the tank Rolled-up tank
Marker for direction
Between 2006 and 2008, GRAF invested GRAF‘s origins lie in the production of GRAF uses state-of-the-art production fa-
1  lace the tank, rolled up along
P of rolling

more than €20 million in expanding its plastic containers and barrels for fruit cilities. This is the only way to guarantee its length, ready to hand about a Pallet

headquarters at Teningen near Freiburg and wine growers. We can now build on superlative quality at attractive prices. metre from the edge of the platform
(Baden, Germany). The 155 000 m² site 50 years of experience in the manufac- Seamless quality assurance and a high (the cross on the tank’s packaging
Tank width + min. 0,5 m
- the same size as 31 football pitches - is ture of high-quality plastic products. level of automation in production ensure marks the direction the tank must
home to one of the most state-of-the-art Today the product range of Otto Graf very high levels of production reliability. be unfolded in). urf
ac
e
ts 5m
2 Unfold the tank along its length. Fla 0.
in
production facilities for plastic products GmbH is highly varied. As the European All the production parameters and also Flat surface +m
in the world. We feel great attachment to market leader in rainwater harvesting, every employee involved in the produc-
3 Unfold the tank along its width. wi
dt
h
nk
Germany as a location for industry. GRAF is synonymous with progressive tion process are documented for every
4 Make any corrections to the tank’s Ta
Preparing the surface
Firstly, we are committed to the country environmental products and a sustaina- single product. position relative to the platform. Step

because of our roots. Secondly Germany ble approach to the precious resource of
provides us with the qualified and moti- water. But we have always remained true
vated staff we need to maintain our high to the origins of our range.
quality standards.

Step Step

CAUTION
Do not drag the tank over the ground.
To reposition the tank on the platform,
7
generate an air cushion under the tank
by lifting the two opposite corners.
Step

2 Otto Graf GmbH Otto Graf GmbH 3

 Industry / Structural and Civil Engineering / Irrigation Agriculture
Flexible tanks for storing process liquids and rainwater Flexible tanks for storing agricultural waste water and liquid fertilisers
Flexible tanks ▸ Industry / structural and civil engineering

Flexible tanks offer versatile solutions The special, highly robust fabric used The waste water quantities generated Made of plastomer lined fabric, these
for both the short and long term storage for the flexible tanks is suitable for the by agricultural processes pose a great flexible tanks are ideal for the storage of
of a great many liquids and present storage of sludges, seepage water, challenge. Here, the flexible tanks from liquid fertilisers containing nitrogen and
many advantages in the form of easy process liquids, and many other types of GRAF present an ideal alternative to con- sulphur.
installation, low acquisition costs, and industrial waste water and for rainwater ventional tanks for dairy, wine making,
high holding capacities. harvesting. and stock breeding waste water; waste
water contaminated with nitrates; liquid
manure; drainage; and many other 1 Central
applications. ventilation
2 Overflow 1 Ventilation 3 Filling/

Flexible tanks ▸ Agriculture

opening emptying

3 Screwed-on
5 Screwed-on corner rein-
corner rein- forcements
forcements

4 Tight zip 2 Filling/

fastener emptying
3 Filling/
emptying

Scope of supply Volume Scope of supply Volume

Order no. Order no.
[m³] [m³]
30 327071 25 327086
Standard industrial set: Standard agriculture set:
40 327072 50 327087
1  P ventilation opening DN 100 with
P 1  entral ventilation DN 50 – 100%
C
50 327073 110 327088
screwed flange stainless steel
100 327074 on tank on fittings 150 327089 on tank on fittings
2 Overflow DN 50 with screwed flange 2 Filling/emptying: Stainless steel
200 327075 * Other sizes and capacities from 1 m³ to 600 m³ on
3  F illing/emptying: PP connection 300 327076 connection fitting on the side with request (see table on page 6)
fitting on the side with screwed flange 400 327077 screwed flange
PVC valve DN 50 – 2“ thread with 500 327078 Stainless steel valve DN 50 – 2“
DN 50 / DN 24 adapter *O
 ther sizes and capacities from 1 m³ to 600 m³ on
thread
4 Tight zip fastener for cleaning request (see table on page 6) 3 Screwed-on polypropylene corner
purposes reinforcements
5 Screwed-on polypropylene corner
Service set:
reinforcements
l1
 x PVC (identical to tank material)
Service set: l 1 x tube of special PVC adhesive

l1
 x PVC (identical to tank material) l 1 x servicing instructions

l 1 x tube of special PVC adhesive

l 1 x servicing instructions

4 Otto Graf GmbH Otto Graf GmbH 5

 Tank sizes, measurements, and accessories Notes

Standard measurements Measurements, variant 1 Measurements, variant 2

Volume Length Width Length Width Length Width Area Height Weight Packaged size
[m³] [m] [m] [m] [m] [m] [m] [m2] [m] [kg] [cm]
1 1.35 2.96 1.85 2.22 - - 4 0.40 12 60 x 80 x H80
3 2.85 2.96 3.80 2.22 - - 8.44 0.60 38 60 x 80 x H80
5 3.90 2.96 5.20 2.22 - - 11.54 0.70 48 60 x 80 x H80
10 6.20 2.96 8.25 2.22 4.15 4.44 18.35 0.90 61 60 x 80 x H80
15 7.95 2.96 5.30 4.44 4.00 5.92 23.53 1.00 78 60 x 80 x H80
20 9.75 2.96 6.50 4.44 4.90 5.92 28.86 1.10 88 60 x 80 x H80
25 7.60 4.44 11.40 2.96 5.70 5.92 33.74 1.20 105 60 x 80 x H80
Flexible tanks ▸ Accessories

30 6.70 5.92 8.95 4.44 5.35 7.40 39.66 1.25 124 60 x 80 x H80
40 7.70 5.92 10.25 4.44 6.20 7.40 45.58 1.40 143 60 x 80 x H80
50 9.40 5.92 12.55 4.44 7.50 7.40 55.65 1.40 174 60 x 80 x H80
70 11.30 5.92 7.60 8.88 6.50 10.36 66.90 1.50 209 80 x 120 x H100
80 12.85 5.92 8.60 8.88 7.40 10.36 76.07 1.50 230 80 x 120 x H100
100 10.50 8.88 7.90 11.84 9.00 10.36 93.24 1.50 291 80 x 120 x H100
110 11.50 8.88 8.70 11.84 9.90 10.36 102.12 1.50 319 100 x 120 x H130
150 14.90 8.88 10.50 11.84 12.00 10.36 124.32 1.50 388 100 x 120 x H130
200 14.45 11.84 12.85 13.32 16.50 10.36 171.09 1.50 534 100 x 120 x H130

Notes
300 16.60 14.80 18.45 13.32 20.75 11.84 245.68 1.50 767 120 x 160 x H130
400 18.45 17.76 22.15 14.80 - - 327.67 1.45 1022 160 x 180 x H130
500 22.30 19.24 24.15 17.76 - - 429.05 1.45 1280 160 x 180 x H130
600 25.20 19.24 - - - - 484.85 1.45 1513 180 x 200 x H130
* Other sizes and variants available on request.

Valves Membrane

Earth bank

m
50
1.
1.00 m
0.10 m

Filling /emptying Filling /emptying Filling /emptying 0.10 m

PVC stainless steel brass

Retention membrane

Membrane Membrane

Earth bank
m

Wall
50
1.

Contained by earth wall Contained by wall

voir dimensions
voir dimensions

voir dimensions
1.00 m
0.10 m

voir dimensions

0.10 m

Packaging
l  rotection during storage and
P
transport
l Suitable for lifting and carrying

l Fast transport and setup on site

l Easy to read capacity marker Membrane

Wall

voir dimensions
voir dimensions

voir dimensions

6 Otto Graf GmbH Otto Graf GmbH 7

 Waste
w
soluti ater treatm
ons ent

WASTEW
ATER
TREATME
SEP NT SYST
TIC EMS
TAN
EN K34
960xxx
KS
CES
SPO
OLS
INF
I LT R
ATI
ON

Wastewater treatment solutions

For more information about our
wastewater treatment solutions,
RAINWATER HARVESTING
ask for our catalogue.

Prices:
A price list with our export conditions is available on
INFILTRATION request.

Warranty clause:
The warranty mentioned in this brochure only refers
to the tank in question and not to the accessories.
WASTEWATER TREATMENT SOLUTIONS Within the warranty period we grant free replace-
ment of the material. Further benefits are exclu-
ded. Pre-condition for warranty benefits are proper
handling, assembly and installation according to the
mounting guidelines.

M U LT I P U R P O S E CO N TA I N E R S N.B. Protect tanks from frost when installed above

ground! In case of groundwater installation, please
contact us for further information prior to purchase!

For all indications of measurements in this brochure

we reserve a tolerance of +/- 3%. The useage volume
Your expert specialist dealer: of the tanks may be up to 10% lower than the tank
Volume, depending on the connecting option.

Technical modifications and further development of

the various products are subject to change. Errors
excepted.

For all our offers and conclusions of contract, only

our General Terms and Conditions of Business dated
01/03/2010 shall apply, which we will send to you
on request.

Otto Graf GmbH Tel.: +49 7641 589-0 GRAF UK Ltd Oxfordshire © Otto Graf GmbH, Teningen, Germany
Kunststofferzeugnisse Fax: +49 7641 589-50 Target House OX16 4SP Reproduction – also in extracts –
only with written authorisation
Carl-Zeiss-Straße 2 – 6 mail@graf.info Thorpe Way Industrial Phone: +44 1608 661-500
DE-79331 Teningen www.graf-water.com Estate info@grafuk.co.uk
Otto Graf GmbH
Banbury www.grafuk.co.uk