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915, 916, 918, 918I
Tabel 1. Specifi caţiile standard ale canelurilor roluite
Observaţie: Toate dimensiunile sunt în ţoli.
Dimens.
Diametru
nom.
ţeavă
ţeavă
Diam. ext.
1
1.315
1 1/4
1.660
1 1/2
1.900
2
2.375
2 1/2
2.875
3
3.50
3 1/2
4.00
4
4.50
5
5.563
6
6.625
8
8.625
10
10.75
12
12.75
Tabel 2. Grosimea maximă şi minimă a peretelui ţevii
Dimensiunea
Ţeavă sau tub din oţel carbon sau aluminiu
ţevii
Min.
1"
.065
1 1/4"
.065
1 1/2"
.065
2"
.065
2 1/2"
.083
3"
.083
3 1/2"
.083
4"
.083
5"
.109
6"
.109
8"
.109
10"
.134
12"
.165
68
T
Gros.
Scaun
min.
garnitură
perete
± 0,030
Tol.
+.016
.065
.625
-.031
+.016
.065
.625
-.031
+.016
.065
.625
-.031
± .024
.065
.625
± .029
.083
.625
± .035
.083
.625
± .040
.083
.625
± .045
.083
.625
± .056
.109
.625
± .060
.109
.625
± .086
.109
.750
± .108
.134
.750
± .128
.165
.750
Grosimea peretelui
Max.
.133
.140
.145
.154
.203
.216
.226
.237
.258
.280
.322
.307
.330
Ridge Tool Company
A
B
Lăţime
canelură
± .030
Diam. ext.
.281
1.190
.281
1.535
.281
1.775
.344
2.250
.344
2.720
.344
3.344
.344
3.834
.344
4.334
.344
5.395
.344
6.455
.469
8.441
.469
10.562
.469
12.531
Ţeavă sau tub din oţel inoxidabil
Grosimea peretelui
Min.
Max.
.065
.133
.065
.140
.065
.145
.065
.154
.083
.188
.083
.188
.083
.188
.083
.188
.109
.188
.109
.188
.109
.188
.134
.188
.165
.188
C
D
Diametru
Adâncime
canelură
nom.
canelură
Tol.
+.000
.063
-.015
+.000
.063
-.015
+.000
.063
-.015
+.000
.063
-.015
+.000
.078
-.018
+.000
.078
-.018
+.000
.083
-.020
+.000
.083
-.020
+.000
.084
-.022
+.000
.085
-.022
+.000
.092
-.025
+.000
.094
-.027
+.000
.110
-.030
Ţeavă din PVC/CPVC
Grosimea peretelui
Min.
.133
.140
.145
.154
.203
.216
.226
.237
.258
.280
.322
.365
.406
D
Adâncime
min.
canelură
.047
.047
.047
.051
.063
.060
.063
.060
.056
.052
.049
.040
.045
Max.
.133
.191
.200
.154
.276
.300
.318
.337
.375
.432
.322
.365
.406
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