NORMACLAMP® - Hose Clamps
NORMACLAMP® S/SP -
Thanks to their robust clamping brackets with metric bolts the
Sealing clamps (NORMACLAMP® S) to DIN
clamping force offered by NORMACLAMP® S/SP is very high.
We recommend the two-part version for applications submit-
3017, Retaining clamps (NORMACLAMP® SP)
ted to extreme pressure and tensile loads.
to DIN 3016
Short description of technical features
1
2
3
1
Strong clamping brackets
3
Robust band with rounded edges
= high clamping force
(from band width 20 mm)
= optimum sealing
= prevention of injuries and damage to the hose
Bridge
2
= optimum hose protection
Materials
W1
W2
W3
W4
W5
x
x*
x
* For band width 30 mm on demand
26
NORMACLAMP® - Hose Clamps
Bolts
Zy
Sz
Sk
Band width 5 mm
M 2 x 12
Band width 7 mm
M 3 x 16
Band width 9 mm
M 4 x 22
Band width 12 mm
M 5 x 25
The following band widths will
Band width 15 mm
M 6 x 30
be supplied with special screws
on request:
Band width 20 mm
M 8 x 40
Band width
9 mm - Thumbscrew
Band width 25 mm
M 10 x 45
Band width 12 mm - Eye screw
Band width 30 mm
M 12 x 65
Band width 25 mm - Eye screw
Static torques to DIN 3017-2
Band width
Static tightening torque
Static test torque
(mm)
Nm
Nm
b1
max.
7
0.5
0.6
9
1.2
1.5
12
1.5
1.8
15
4
4.8
20
12
14.5
25
30
36
30
70
84
The advantages at a glance
• High clamping force
• Optimal clamping force distribution
• Available with optional angles, consoles or brackets
• Available with optional rubber sleeve for vibration damping and protection against creeping water
27
NORMACLAMP® - Hose Clamps
Clamp Types
NORMACLAMP® S
Hose sealing clamps are used to seal rubber and plastic hoses
as well as rubber sleeves on pipe ends or
connecting spigots.
Larger diameters can be connected without problems using
two-part clamps.
Sizes are stepped up in 1 mm intervals.
NORMACLAMP® SP
Retaining clamps are suitable for clamping containers, pipes
and cables.
NORMACLAMP® SPGU
Clamps with rubber profile are available from band width 9 mm.
They are suitable for use when vibration damping or protection
against creeping water is required.
28
NORMACLAMP® - Hose Clamps
Technical features
Corrosion resistance
Material
Corrosion resistance in salt spray testing
W1
Min.
72 h
W4
Min. 240 h
W5
Min. 400 h
Band
Min.
width
dia-
b1
meter
Material thickness (mm)
Rubber profile (mm)
(mm)
(mm)
S
SP
SPGU
W1
W4
W5
W1
W4
W5
b1
s2
5
5
0.2
-
-
0.2
-
-
-
-
7
6
0.3 / 0.4
-
0.4
0.4
-
0.4
-
-
9
9
0.4
-
0.4
0.6
-
0.4
12.5
1
12
12
0.5
-
0.5
0.7
-
0.5
15
1.2
15
20
0.6
-
0.6
0.8
-
0.6
18.5
1.5
20
25
1.0
-
0.8
(up to ø 47) 1.0
-
0.8
25
2
(from ø 48) 1.25
25
50**
1.25
-
1.0
1.25/1.5
-
1
31
3
30
80
2.5
-
-
2.5
-
-
36
3
30
100*
-
2.5
-
-
2.5
-
36
3
* Material W4 Ø 100 - 150 only available as two-part version
** SPGU = 40
29
NORMACLAMP® - Hose Clamps
Rubber profiles
Depending on the profile type (a or b) the
rubber profiles are available either in Sili-
cone or EPDM material.
B
= Band width of the clamp
b1 = Width in mm
s2 = Material thickness in mm
a
b
Material Properties of Different Rubber Types
Properties
Silicone
EPDM
Tensile strength [N/mm2]
8.5
min. 8
Breaking elongation [%]
420
350
Shore Hardness A
70 ± 5
70 ± 5
Temperature [°C]
-60 ° to +170 °
-40 ° to +120 °
Resistance:
Weather & Ozone
Good
Very good
Ageing & Sun cracks
Very good
Very good
Petrol
Average
Not resistant
Oils & greases
Good
Not resistant
Alcohols
Good
Good
Acids
Average
Good
Alkalis
Average
Good
Applications
The NORMACLAMP® S/SP/SPGU clamps are specially suitable for
• Retaining rubber and plastic hoses (NORMACLAMP® S)
• Retaining rubber sleeves on pipe ends or hose connectors
(NORMACLAMP® S)
• Clamping and retaining containers, generators, pipes
and cables (NORMACLAMP® SP)
Also, NORMACLAMP® S are being used by the automotive industry
for the fastening of airbags. Safety parts of this kind are submitted
to 100% testing.
30
NORMACLAMP® - Hose Clamps
Survey of sizes, band widths & materials
NORMACLAMP® S
Dia-
Band width
meter
5 mm
7 mm
9 mm
12 mm
15 mm
20 mm
25 mm
in mm
Zy
Zy
Zy
Sz
Sz
Sz
Sk
W1
W5*
up to
9
X
X
X
up to
10
X
X
X
X
from
15
X
X
X
X
X
up to
20
X
X
X
X
X
up to
28
X
X
X
X
up to
30
X
X
X
X
from
36
X
X
X
X
X
up to
40
X
X
X
X
X
up to
50
X
X
X
X
X
X
up to
60
X
X
X
X
X
X
up to
70
X
X
X
X
X
X
up to
75
X
X
X
up to
80
X
X
X
X
X
up to
90
X
X
X
X
X
up to 100
X
X
X
X
X
up to 110
X
X
X
X
up to 120
X
X
X
X
up to 130
X
X
X
up to 140
X
X
X
up to 150
X
X
X
up to 160
X
X
X
up to 170
X
X
X
up to 180
X
X
X
up to 190
X
X
X
up to 200
X
X
X
* except for band width 5 mm
Sizes are increased in 1 mm steps.
31
NORMACLAMP® - Hose Clamps
Survey of sizes, band widths & materials
NORMACLAMP® SP
Dia-
Band width
meter
5 mm
7 mm
9 mm
12 mm
15 mm
20 mm
25 mm
in mm
Zy
Zy
Zy
Sz
Sz
Sz
Sk
W1
W5*
up to
9
X
X
X
up to
10
X
X
X
X
from
15
X
X
X
X
X
up to
20
X
X
X
X
X
up to
28
X
X
X
X
up to
30
X
X
X
X
from
36
X
X
X
X
X
up to
40
X
X
X
X
X
up to
50
X
X
X
X
X
X
up to
60
X
X
X
X
X
X
up to
70
X
X
X
X
X
X
up to
75
X
X
X
up to
80
X
X
X
X
X
up to
90
X
X
X
X
X
up to 100
X
X
X
X
X
up to 110
X
X
X
X
up to 120
X
X
X
X
up to 130
X
X
X
up to 140
X
X
X
up to 150
X
X
X
up to 160
X
X
X
up to 170
X
X
X
up to 180
X
X
X
up to 190
X
X
X
up to 200
X
X
X
* except for band width 5 mm
Sizes are increased in 1 mm steps.
32
NORMACLAMP® - Hose Clamps
Survey of sizes, band widths & materials
NORMACLAMP® SPGU
Dia-
Band width
meter
15 mm
20 mm
25 mm
in mm
Sz
Sz
Sk
W1
W5
up to
20
X
X
X
up to
30
X
X
X
from
36
X
X
X
up to
40
X
X
X
X
up to
50
X
X
X
X
X
up to
60
X
X
X
X
X
up to
70
X
X
X
X
X
up to
75
X
X
X
X
X
up to
80
X
X
X
X
X
up to
90
X
X
X
X
X
up to 100
X
X
X
X
X
up to 110
X
X
X
X
up to 120
X
X
X
X
up to 130
X
up to 140
X
up to 150
X
up to 160
X
up to 170
X
up to 180
X
up to 190
X
up to 200
X
Sizes are increased in 1 mm steps.
Enquiries and ordering:
When making enquiries or placing orders please indicate as follows:
1. Type
2. Clamping Range
3. Band width
4. Material
5. Bolt
6. Parts
Example
S
6/
7
W1
Zy
1-part
For NORMACLAMP® SPGU please state the required rubber material - if there is a choice.
33
