Tableau des filetages

 

Filetage Whitworth(cylindrique). DIN 259 (ISO 228)
Filetage G1/8″ G1/4″ G3/8″ G1/2″ G5/8″ G3/4″ G7/8″
Ø filetage en mm 9.728 13.157 16.662 20.955 22.911 26.441 30.201
Ø noyau mm 8.566 11.445 14.950 18.631 20.587 24.117 27.877
Filets au pouce (= 25,4 mm) 28 19 19 14 14 14 14
Filetage G2 1/4″ G2 3/8″ G2 1/2″ G2 3/4″ G3″ G3 1/4″ G3 1/2″
Ø filetage en mm 65,710 69,390 75,184 81,534 87,884 93,980 100,330
Ø noyau mm 62,752 66,440 72,226 78,577 84,926 91,022 97,372
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11 11
Filetage G1″ G1 1/8″ G1 1/4″ G1 3/8″ G1 1/2″ G1 3/4″ G 2″
Ø filetage en mm 33,249 37,897 41,910 44,323 47,803 53,746 59,614
Ø noyau mm 30,291 34,939 38,952 41,365 44,845 50,788 56,656
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11 11
Filetage G3 3/4″ G4″ G4 1/2″ G5″ G5 1/2″ G6″
Ø filetage en mm 106,680 113,030 125,730 138,430 151,130 163,830
Ø noyau mm 103,722 110,072 122,772 135,472 148,172 160,872
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11

 

Tuyaux bruts Whitworth (coniques). DIN 2999 (ISO 7/1) Rp-R BS 21 (BSP-BSPT)
Filetage R1/8″ R1/4″ R3/8″ R1/2″ R5/8″ R3/4″ R7/8″
Ø filetage en mm 9.728 13.157 16.662 20.955 22.911 26.441 30.201
Ø noyau mm 8.566 11.445 14.950 18.631 20.587 24.117 27.877
Filets au pouce (= 25,4 mm) 28 19 19 14 14 14 14
Filetage R2 1/4″ R2 3/8″ R2 1/2″ R2 3/4″ R3″ R3 1/4″ R3 1/2″
Ø filetage en mm 65,710 69,390 75,184 81,534 87,884 93,980 100,330
Ø noyau mm 62,752 66,440 72,226 78,577 84,926 91,022 97,372
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11 11
Filetage R1″ R1 1/8″ R1 1/4″ R1 3/8″ R1 1/2″ R1 3/4″ R2″
Ø filetage en mm 33,249 37,897 41,910 44,323 47,803 53,746 59,614
Ø noyau mm 30,291 34,939 38,952 41,365 44,845 50,788 56,656
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11 11
Filetage R3 3/4″ R4″ R4 1/2″ R5″ R5 1/2″ R6″
Ø filetage en mm 106,680 113,030 125,730 138,430 151,130 163,830
Ø noyau mm 103,722 110,072 122,772 135,472 148,172 160,872
Filets au pouce (= 25,4 mm) 11 11 11 11 11 11
Filetage brut américain NPT (conique). ASA B 2.1
Filetage 1/8″NPT 1/4″NPT 3/8″NPT 1/2″NPT 3/4″NPT 1″NPT 11/4″NPT
Ø filetage en mm 10,287 13,716 17,145 21,336 26,670 33,401 42,164
Filets au pouce (= 25,4 mm) 27 18 18 14 14 11 1/2 11 1/2
Filetage 11/2″NPT 2″NPT
Ø filetage en mm 48,260 60,325
Filets au pouce (= 25,4 mm) 11 1/2 11 1/2
geka_plus_kupplung_c