outside diameter of neck A , in mm	T for PN 2.5, in mm	T for PN 6, in mm	T for PN 10, in mm	T for PN 16, in mm	T for PN 25, in mm	T for PN 40, in mm	T for PN 63, in mm	T for PN 100, in mm
17.2	2	2	2	2	2	2	3.2	3.2
21.3	2	2	2	2	2	2	3.2	3.2
26.9	2.3	2.3	2.3	2.3	2.3	2.3	3.6	3.6
33.7	2.6	2.6	2.6	2.6	2.6	2.6	3.6	3.6
42.4	2.6	2.6	2.6	2.6	2.6	2.6	3.6	3.6
48.3	2.6	2.6	2.6	2.6	2.6	2.6	4	4
60.3	2.9	2.9	2.9	2.9	2.9	2.9	4	4
76.1	2.9	2.9	2.9	2.9	2.9	2.9	4	4.5
88.9	3.2	3.2	3.2	3.2	3.2	3.2	4.5	5
114.3	3.2	3.2	3.2	3.2	3.6	3.6	4.5	5.6
139.7	3.2	3.2	3.2	3.2	4	4	5	6.3
168.3	3.2	3.2	3.2	3.2	4	4	5.6	7.1
219.1	3.6	3.6	3.6	3.6	4.5	6.3	7.1	10
273	4	4	4.5	4.5	6.3	7.1	8.8	12.5
323.9	4	4	4.5	5	7.1	8	11	14.2
355.6	4	4	4.5	5	7.1	8.8	12.5	16
406.4	4	4	4.5	6.3	8.8	11	14.2	-
457	4.5	4.5	4.5	6.3	8.8	-	-	-
508	5.6	5.6	5.6	7.1	10	-	-	-
610	6.3	6.3	6.3	8.8	11	-	-	-
711	6.3	6.3	7.1	8.8	12.5	-	-	-
813	7.1	7.1	7.1	10	14.2	-	-	-
914	7.1	7.1	8.8	10	-	-	-	-
1016	7.1	7.1	8.8	10	-	-	-	-
1219	7.1	8	11	-	-	-	-	-
1422	-	8	-	-	-	-	-	-
1626	-	9	-	-	-	-	-	-
1829	-	10	-	-	-	-	-	-
2032	-	11	-	-	-	-	-	-