915, 916, 918, 918I
Tabell 1. Specifi kationer för standardspårvals
Obs: Alla dimensioner anges i tum.
Nom.
Rör-
rör-
diameter
dim.
Ytterdiam.
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
Tabell 2. Rörets maximala och minimala väggtjocklek
Rördimension
Rör i kolstål eller aluminium
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
40
T
A
Min.
Packning
Vägg-
Säte
tjockl.
± .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
Väggtjocklek
Max.
.133
.140
.145
.154
.203
.216
.226
.237
.258
.280
.322
.307
.330
Ridge Tool Company
B
C
Spår-d
Spår-
bredd
diameter
± .030
Ytterdiam.
.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
Rör i rostfritt stål
Väggtjocklek
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
D
D
Nom.
Min.
Spår-
Spår-
djup
djup
Tol.
+.000
.063
.047
-.015
+.000
.063
.047
-.015
+.000
.063
.047
-.015
+.000
.063
.051
-.015
+.000
.078
.063
-.018
+.000
.078
.060
-.018
+.000
.083
.063
-.020
+.000
.083
.060
-.020
+.000
.084
.056
-.022
+.000
.085
.052
-.022
+.000
.092
.049
-.025
+.000
.094
.040
-.027
+.000
.110
.045
-.030
Rör i PVC/CPVC
Väggtjocklek
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