Trade References


NORMA Part Number
TORRO®S Clamping Range
NORMA Part Number
DIN Clamping Range
Trade References SAE References
8-12 - 000 -
10-16 8.16 M00 4
12-22 12-20 00 6
16-27 16-25 0 8/10
20-32 20-32 1A 12
25-40 25-40 1 16
30-45 30-45 1X 20
32-50 32-50 2A 24
40-60 40-60 2/2X 28/32
50-70 50-70 3 36
60-80 60-80 - 40/44
70-90 70-90 4 48
80-100 80-100 - 52-56
90-110 90-110 5 60
100-120 100-120 - 64
110-130 110-130 6 72
120-140 120-140 - 80
130-150 130-150 - 84/88
140-160 140-160 7 96
150-170 150-170 - 104
160-180 160-180 8 -
170-190 170-190 - -
180-200 180-200 9 116
190-210 190-210 - -
200-220 200-220 - -
210-230 210-230 10 136
230-250 230-250 11 152
260-280 260-280 12 -
280-300 280-300 13 -


Stainless Steel Reference Chart


NORMA / DIN AISI
1-4006 410
1-4016 430
1-4301 304
1-4303 305
1-4310 301
1-4371 201/202
1-4401 316
1-4510 430TI
1-4511 430C6
1-4571 316TI


Material Grades

W1 - Completely Zinc Plated Steel
W2 (TORRO) - BAND & HOUSING : Stainless Steel (1.4016) SCREW : Zinc Plated and Chromated
W2 (GBS) - BAND & HOUSING : Stainless Steel (1.4510 / 1.4511) HARDWARE : Zinc Plated and Chromated
W3 - Completely Stainless Steel (1.4016)
W4 - Completely Stainless Steel (1.4301), NORMACLAMP® COBRA (1.4310)
W5 - Completely Stainless Steel (1.4401), NORMACLAMP ® GBS (1.4571)


NORMACLAMP® TORRO®
- Recommended Static Tightening Torques


Clamping Range TORRO® b = 9 TORRO® b = 12 TORRO S® b = 9 TORRO S® b = 12
8-12 - - 2.5 Nm -
8-16 2.0 Nm - 3.0 Nm -
from 12 - 22 3.0 Nm - 3.0 Nm -
from 16 - 27 - 5.0Nm - 5.0Nm


MATERIALS
  DIN AISI/AS
W1 Band and Housing: Alu-Zinc Screw: Zinc Plated Steel and Chromated
W2: Band & Housing 1.4016 430
W2: Screw Zinc Plated Steel and Chromated
W3 1.4016 430
W4 1.4301 304
W5 1.4401 / 1.4571 316 / 316TI
Tension Spring 1.4310 301
SLOTTED BAND - (SAE STYLE)
W2 8mm Band = 2 Nm (min) 12mm Band = 4 Nm
W4 8mm Band = 2 Nm (min) 12mm Band = 4 Nm
Quick Release W3   12mm Band = 4 Nm


MATERIAL CORROSION RESISTANCE IN SALT SPRAY TESTING
W1 MIN 144h
W2 MIN 72h
W3 MIN 200h*
W4 MIN 240h
W5 MIN 400h

*MAX 10% CORROSION OF THE BASE MATERIAL ALLOWED.

NORMACLAMP® GBS - Torques

BANDWIDTH RECOMMENDED TIGHTENING TORQUE
18 8 Nm
20 10 Nm
25 20 Nm
30 25 Nm

NORMACLAMP® GBS - Corrosion Resistance


MATERIAL CORROSION RESISTANCE IN SALT SPRAY TESTING
W1 MIN 144h
W2 MIN 72h
W4 MIN 240h
W5 MIN 400h

Pressure Conversion Factors - BAR to PSI


BAR KILO PASCALS Kg / cm2 PSI
1 100 1.02 14.5
2 200 2.04 29.0
3 300 3.06 43.5
4 400 4.08 58.0
5 500 5.10 72.5
6 600 6.12 87.0
7 700 7.14 101.5
8 800 8.16 116.0
9 900 9.18 130.5
10 1,000 10.20 145.0
20 2,000 20.40 290.1
30 3,000 30.60 435.1
40 4,000 40.80 580.2
50 5,000 51.00 725.2
60 6,000 61.20 870.2
70 7,000 71.40 1,015.3
80 8,000 81.60 1,160.3
90 9,000 91.80 1,305.3
100 10,000 102.00 1,450
NEWTON METRES TO INCHES      1Nm = 8.85 in lbs.      0.113Nm = 1 in lbs.

Inches Conversion to Millimeters


INCHES
Fractions
INCHES
Decimal
Millimeters
1/64 .0156 .396
1/32 .0312 .793
3/64 .0469 1.190
1/16 .0625 1.587
5/64 .0781 1.984
3/32 .0937 2.381
7/64 .1094 2.778
1/8 .125 3.175
9/64 .1406 3.571
5/32 .1562 3.968
11/64 .1719 4.365
3/16 .1875 4.762
13/64 .2031 5.159
7/32 .2187 5.556
15/64 .2344 5.953
1/4 .25 6.350
17/64 .2656 6.746
9/32 .2812 7.143
19/64 .2969 7.540
5/16 .3125 7.937
21/64 .3281 8.334
11/32 .3437 8.731
 
INCHES
Fractions
INCHES
Decimal
Millimeters
23/64 .3594 9.128
3/8 .375 9.525
25/64 .3906 9.921
13/32 .4062 10.318
27/64 .4219 10.715
7.16 .4375 11.112
29/64 .4531 11.509
15/32 .4687 11.906
31/64 .4844 12.303
1/2 .5 12.700
33/64 .5156 13.096
17/32 .5312 13.493
35/64 .5469 13.890
9/16 .5625 14.287
37/64 .5781 14.684
19/32 .5937 15.081
39/64 .6094 15.478
5/8 .625 15.875
41/64 .6406 16.271
21/32 .6562 16.668
43/64 .6719 17.065
11/16 .6875 17.462
 
INCHES
Fractions
INCHES
Decimal
Millimeters
45/64 .7031 17.859
23/32 .7187 18.256
47/64 .7344 18.653
3/4 .75 19.050
49/64 .7656 19.446
25/32 .7812 19.843
51/64 .7969 20.240
13/16 .8125 20.637
53/64 .8281 21.034
27/32 .8437 21.431
55/64 .8594 21.828
7/8 .875 22.225
57/64 .8906 22.621
29/32 .9062 23.018
59/64 .9219 23.415
15/16 .9375 23.812
61/64 .9531 24.209
31/32 .9687 24.606
63/64 .9844 25.003
1.0 1.0 25.400
     
     

 

 


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