Tel. : +44 (0)1584 878500
Email : dilatoflex@interflex.co.uk
Internet : www.interflex.co.uk
Units 19/20 FlexSpace Enterprise Centre
Ludlow Eco Park
Ludlow
Shropshire. SY8 1FF.
United Kingdom
.
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Rubber Bellows Expansion Joints / Flexible Pump Compensators
DILATOFLEX TYPE K and T
INTERFLEX HOSE & BELLOWS Ltd.
Technical Sheet
AFD-TS- 002/2 from 2008 - 03 - 07
We reserve the right to change our products’ specifications when necessary without notice.
Max.
permissible
pressure
(2)
bar
... AUTOSTABLE ... at its equilibrium length (Lq in mm)
Nominal length (Ln in mm)
Steel ring required for vacuum greater than …%
PN 10
T ≤ 100 °C
T > 100 °C
PN 16
class 150 (PN 20)
Approx. weight in kg (steel flanges PN10 / PN16)
ISO 2084
NF EN 1759-1
NF EN 1092-1
32
40
50
65
80
100
125
150
200
250
300
25
25
25
25
25
25
25
20
20
15
15
10
10
10
10
10
10
15
15
20
25
30
15
15
15
15
15
15
15
15
15
15
15
20
20
20
20
17
14
14
10
10
8
7
130
130
130
130
130
135
140
140
145
150
155
3.0
3.4
4.0
4.7
5.0
6.2
7.7
10.0
12.2
16.7
20.0
1 1/4
1 1/2
2
2 1/2
3
4
5
6
8
10
12
140
445
140
460
-
130
165
185
200
220
250
285
340
405
485
130
130
130
130
130
130
130
130
130
130
130
16
16
16
16
16
16
16
16
16
16
16
10
10
10
10
10
10
10
10
10
10
10
-
-
30
30
30
30
30
30
30
30
30
O.D.
(mm)
Drilling standards (1)
140
150
165
185
200
220
250
285
340
405
(1) Other drillings available (e.g. PN6, PN25, BS10D-E…)
Floating flanges in zinc-chromated, hot dip galvanized or stainless (304L or 316L) steel
(2)
DW grade: W.P. 12 bar at 105°C max. for the whole range.
Its lining grade is homologated A.C.S. (sanitary conformity certification)
It falls into art. 1 item 3.2 of the PED 97/23/CE.
.
DIMENSIONAL DATA TECHNICAL DATA
mm inch
ND NPS
Nominal
Diameter
Axial
Compression
Ln - Lc
mm
Elongation
Le - Ln
mm
Shearing
R
mm
angle
α°
degree
Lateral
Angular
Max. Permissible Movements
(not concurrent)
DILATOFLEX
®
K
P.E.D. 97/23/CE Cat. III
Ln
Ø ND
Ø O.D.
* see separate technical sheet
PTFE liner
White label
F1
TE
Mauve label
YP
Yellow label
GZ
Orange label
DW
Blue label
AR / CN
Red label
EPC
Cream label
CC
Green label
Inner
lining
grades
Example of Label
16 bar
-35°C/90°C
AR
CN
®
DI
L ATOFLEX
K
A
U
T
O
S
T
A
B
L
E
Distributor :
Grade
CC WP : 16 BarG @ 90 €C / 10 BarG @ 110 €C.
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
CC
GZ
YP
DW
AR/CN
E P C
TE
Th
e expansion joint Type T allows
big displacement, high resistance to
pressure and a very good behaviour
in exceponal condions.
Range of diameters:
ND 32 - 40 - 50 - 65 - 80 - 100 - 125
150 - 200 - 250 - 300 - 350 mm
AB
Example of label:
16 bar
- 90°C
10 bar - 110°C
16 bar - 90°C
16 bar - 100°C
16 bar - 95°C
16 bar - 90°C
12 bar - 105°C
*normal condions : 1 x 10
6
cycles
Working condions:
Displacements
Normal*
AXIAL
Compression 30 mm
Elo
ngaon
30
mm
LATERAL
20
mm
Lengths :
DN 32 to 200 : 150 mm
DN 150 to 350 : 200 mm
25 ba
rs @ 55°C possible on
request with model
DIL-TP.
Angular displacement
DN (mm)
32
40
50
65
80
100 125 150 200 250 300 350
Normal (°) 20
20 20 20 20
20
10 10 10 10 10
9
The best among expansion joints
Drinking water agreement
Grade DW
Rubber Bellows Expansion Joints - Flexible Pump Bellows Compensators
DILATOFLEX TYPE T
Rubber Bellows Expansion Joints - Flexible Pump Bellows
for Pipework for Anti-Vibration, and the Absorption of
Movement and Thermal Expansion in Pipelines
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
Distributor:
We reserve the right to change our products’ specifications when necessary without notice
Inner
lining
grade
Steel
Stainless steel
Stainless steel
Steel
GZ
Orange label
EPC
Cream label
CC
Green label
DW
Blue label
KLEDIL
®
20
ND 25
32
L'
Ln
ND
d1
ND 40
L'
Ln
ND
d1
ND 50
L'
Ln
ND
d1
TECHNICAL DATA
Axial
Compression
Ln - Lc
mm
mm inch
Elongation
Le - Ln
mm
Shearing
R
mm
angle
α°
degree
Lateral
Angular
Max. Permissible Movements
(not concurrent)
Axial Stiffness at zero pressure in daN
for 1cm axial movement
Thrust in daN for
P= 1 bar
Approximate weight/Kg
Max. permissible pressure (
bar )
(1)
(1)
DW grade = max. operating capabilities are W.P. 8 bar at +105 °C.
Max. permissible vacuum ( % vacuum )
20
25
32
40
50
15
15
15
10
30
8
8
8
10
30
10
10
10
6
15
0
0
0
0
0
3
4
9
13
42
50
60
95
130
40
0.45
0.55
0.80
0.95
1.50
3/4
1
1 1/4
1 1/2
2
50
55
66
94
105
(20x27)*
(26x34)*
(33x42)*
(40x49)*
(50x60)*
160
160
160
160
210
220
220
230
230
290
R 3/4"
R 1"
R 1 1/4"
R 1 1/2"
R 2"
12
9
9
7
7
100
100
100
70
70
DIMENSIONAL DATA
ND NPS
Nominal
Diameter
O.D.
d1
mm
L'
mm
Ln
mm
(*) former
designation
Example of Label
®
KLEDIL CC
< HVAC & Industrial Water
< Drinking Water Approved
< Food Grade Approved
< Oils, Gas & Fuels
BSPT Male
Thread
BSPT
Male
Thread
DILATOFLEX
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Eco Park Road • Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel.: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk
Distributor:
Threaded Flexible Rubber Pump Bellows
AN EFFICIENT SOLUTION
FOR A WIDE RANGE OF APPLICATIONS
BUILDING INDUSTRY
f Central heating and
air conditioning
f Hot and cold water systems
f Fire extinction systems
POWER GENERATION
PETROLEUM INDUSTRY
f Cooling systems
f Fuel handling
NAVAL CONSTRUCTION
f
Machine cooling systems
f
Sanitary installations
f
Fire extinction systems
f
Fuel handling
METALLURGY
f Blast furnace gas
f Compressed air
f Industrial water systems
WATER TREATMENT
f
Production and distribution
of drinking water, waste
water treatment
FOOD INDUSTRY
f Drinking water and other
beverage and foodstuff
handling systems
CHEMICAL INDUSTRY
Fluid handling systems:
f
acids, bases, hydrocar-
bons, emulsions, solutions,
air, gas, steam, water, etc.
Operating Principles
f Cooling systems, pumping
stations, etc. for conventional
and nuclear power plants
AXIAL COMPRESSION
AXIAL ELONGATION
LATERAL DEFLECTION
ANGULAR DEFLECTION
WATER HAMMER REDUCTION
ELIMINATION OF VIBRATION
Lining Grade
Identification colour
and designation
Typical Applications W.T.
Working
temperatures
Green label | CC
f
Central heating and
air conditioning water
-35 °C
+90 °C/
110 °C
Blue label | DW
f Drinking Water Approved
f Domestic cold and hot water
-25 °C
+90 °C/
105 °C
Cream label | EPC
f Food products
f White Food Grade liner
f Option Stainless Steel flanges
-25 °C +95 °C
White label | ES
f
Steel Mesh Reinforced
f
Superheated water
f
Hot water vapour
-35 °C +140 °C
Red label | AR/CN
f
Abrasive or corrosive products
(weak acids and bases)
f Industrial water, sea water
f
Low-temperature water vapour
-35 °C +90 °C
Orange label | GZ
f Gas, compressed air, fuel, oil
f
Petroleum products with aromatic
content < 40%
f Sanitation water
-20 °C +90 °C
Blue label | HH
f
Industrial and waste water
f Hydrogen gas, nitrogen
-20 °C +90 °C
Yellow label | YP
f Strong acids
f Strong bases
f Aggressive chemicals
-25 °C +100 °C
Grey label | AB
f Strong acids
f
Strong bases
f
Weak chlorinated products
-35 °C +100 °C
Mauve label | TE
f
Industrial water
f
Acidic water
f
Diluted acids and bases
-25 °C +100 °C
White label | F1
f
Special highly agressive products
(Working pressure limited to 6 bar max.)
-35 °C +110 °C
The inner lining to be used for a specific fluid (composition, concentration,
temperature, etc.) should be selected according to our Chemical Resistance Chart.
For special working conditions, please consult us.
PTFE liner
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Distributor :
Rubber Bellows Expansion Joints - Flexible Pump Bellows
for Pipework for Anti-Vibration, and the Absorption of
Movement and Thermal Expansion in Pipelines
Interflex Hose & Bellows Ltd. • www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel: +44 (0)1584 878500 • Email: dilatoflex@interflex.co.uk