Tabella 1. Specifi che di scanalatura del rullo standard
Nota: Tutte le dimensioni sono in pollici (25,4 mm)
Nom.
Tubo
Tubo
Diametro
Dimensioni
D.E.
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
Tabella 2. Spessore max. e min. della parete del tubo
Dimensioni tubo
Tubo o tubazione di acciaio al carbonio o
Spessore della parete
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
T
A
Min.
Guarnizione
Parete
Sede
spess.
± .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
di alluminio
Max.
.133
.140
.145
.154
.203
.216
.226
.237
.258
.280
.322
.307
.330
Ridge Tool Company
B
Scanalatura
Scanalatura
larghezza
Diametro
± .030
D.E.
.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
Tubo o tubazione di acciaio inox
Spessore della parete
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
915, 916, 918, 918I
C
D
Nom.
Scanalatura
Scanalatura
Profondità
Profondità
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
Tubo di PVC/CPVC
Spessore della parete
Min.
Max.
.133
.133
.140
.191
.145
.200
.154
.154
.203
.276
.216
.300
.226
.318
.237
.337
.258
.375
.280
.432
.322
.322
.365
.365
.406
.406
D
Min.
.047
.047
.047
.051
.063
.060
.063
.060
.056
.052
.049
.040
.045
25